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FREE TECH LIBRARY
Below, in alphabetical order, are the titles of articles published in the journal. Radio constructor from 1999 to 2013. To find out which issue of the magazine Radio constructor published this or that article, use article archive search. 12 volts from USB port 12-volt transformer - equipment power supply Sony ICF-SW12 11-band radio receiver 12-channel resonant indoor TV antenna 12 channel ringer 12 command radio control 16 programs on Horizon TV - 54TC418D 24 hour timer 256 commands - by 3USCT remote control system 30W power amplifier AF 30-point LED scale 3-USCT - sixteen programs and more AC/DC modules TML AC/DC modules TMS AM receiving path of the MW range Sitter CD/MP-3 car radio LG LAC-UA377R CD/MP-3 car radio LG LAC-3730R (schematic diagram) CD-DVD car radio ELENBERG-MX-390DVD (basic diagram of the main board and control panel) CD-ROM drive in the audio system CD player CD player with remote control CW/SSB single band shortwave receiver 10m direct conversion CW-SSB transceiver CXA1352AS - volume control and equalizer DC-AC converter =12V / -220V 50 Hz DC-DC flyback converter DC-DC converter on an integrated timer Smart Home DTMF Switch DVD player - test pattern generator EXECUTOR - passenger's night watchman FM modulator for sound card FM receiver with CD player Hi-Fi audio processor MP1241A (TEA6320). Extension for ARDUINO HI-FI stereo amplifier 2x32 on TDA2050 Hi-Fi stereo amplifier with equalizer Hi-Fi UMZCH Hi-Fi Integrated Stereo Amplifier Hi-Fi integrated stereo amplifier with equalizer Hi-Fi recording path for a cassette recorder Hi-Fi amplifier with equalizer for audio center HI-FI-amplifier2?15W HV9910 - driver for LED lamps LM1871 and LM1872 - radio control chipset LT3799 - driver for LED lamps Manbo - assigned to the kitchen MANBO - radio point Maxxtro-DS25-4 - video switch Miracle+Neiva=alarm clock radio MOSFET switch N-button light switch Quansheng TG-6A UHF (circuit diagram) RF transceiver on TA3205FN SA2420 - RF transceiver SA5204 and SA5205 - high-frequency broadband amplifiers SA601 - RF amplifier and mixer SMS chat on mobile SMS chat on mobile phone. Creating a chat, news channel, wizard SMS chat on mobile phone. Settings management 14 MHz SSB Diode Transceiver TDA1522, TDA1523 TDA2320A TDA7088T - FM receiver with automatic tuning USB port manages loads Intermittent alarm relay Stolen car auto return Auto switch UMZCH Car radio Car radio - music center Car radio - radio station Aiwa CT-X410 car radio Car radio AKF-7265EV Car radio Daewoo AKR-0106 Car radio LADA-1014 (main board diagram) Car radio LG TCC-2510 Car radio LG TCC-670 Car radio LG TCC-672 Car radio LG-LAC-M0510/UA050 (schematic diagram) Car radio PROLOGY-CMD-190 (principal diagram of the main board and control panel) Car radio Start-777 Daewoo car radios Automatic - switch for the bathroom Automatic - light switch Automatic - light switch on the plot Automatic - low beam headlight switch Automatic - economy Automatic Running Shadow/Running Fire Automatic lighting switch Automatic light switch with pyro-sensor and photo-sensor Automatic Day/Night Showcase machine Automated switch for gasoline generator Police call machine Automatic headlight switch Machine for recording a signal from a video eye Automatic charger Groundwater pumping machine Automatic device for periodic switching on of an electrical appliance Home plant watering machine Watering machine for flowers Watering machine for flowers Automatic washing machine Automatic machine for rural water supply Greenhouse automatic machine Photo exposure machine Video player recorder Automatic every day Automatic low-voltage lighting Automatic lighting of the yard and entrance Automatic shutdown Automatic switching on and off of an electrical appliance Incubator Tray Rotator Watering machine Houseplant watering machine Watering machine for indoor plants Instrument power interrupter Automatic Growing Line Automatic backup power supply Light effects machine Lighting Effect Machine for Festive Events Service Automatic lighting effects on super-bright Automatic street lighting Toilet room ventilation control Water pump control automatic Automatic hydraulic pump control Automatic control of country water supply Courtyard lighting control Automatic lighting control Automatic lighting control in a garage cooperative Irrigation control machine in the country Advertising management machine Automatic control light in the entrance Automated light control in the backyard Automatic alarm Lighting control machine Irrigation automation Irrigation automation at their summer cottage Automation for the electric heating system of a private house Greenhouse automation Automatic water pump Automatic jigsaw extractor Automatic pumping of water from the garage Automatic sprinkler Automatic cable test Automatic brightness adjustment of LED indicators Automatic light switches Circuit breaker Equipment circuit breaker Battery circuit breaker Automatic dipped beam switch in the VAZ-2110 Automatic dipped beam switch Bicycle Light Circuit Breaker Automatic fan switch in the bathroom Circuit breaker for meter Computer circuit breaker Utility room circuit breaker Charger circuit breaker Toilet light switch Table lamp circuit breaker Hazardous electrical appliance circuit breaker Automatic light switch Soldering iron automatic switch Circuit breaker on ATS signal Scale backlight automatic switch Automatic light switch Automatic light switch in the entrance Automatic light switch in the hallway Automatic light switch for double door Alarm circuit breaker TV circuit breaker Street light circuit breaker Automatic switch UMZCH AF power amplifier circuit breaker Automatic iron switch Automatic headlight switch Automatic low beam switch for beginners Automatic headlight switch for Zhiguli Refrigerator circuit breaker Automatic transistor tester Automatic lecturer Automatic VCR to TV interface Automatic night light Automatic Christmas tree garland switch Automatic heating for heels Automatic engine heater Automatic temperature controller 50-300 degrees C Automatic water dispenser Automatic stairwell light Automatic washbasin Automatic shutdown UMZCH Automatic switching off of dipped beam headlights Automatic charger Automatic power off Automatic switching of TV antennas Automatic degaussing in a modern TV Watering machines Car charger for cell phone Car radio JVC-KS-FX281 circuit diagram car forget-me-not Car security system 27 MHz car radio Car socket for 220 Car CB radio Midland-ALAN-78-P (principle diagram) Car CB radio TTI-TCB-R200 (schematic diagram) Car alarm Car alarm on CD4060B Car alarm on two chips Car VHF radio station Megajet-MJ300 (schematic diagram) Car VHF-FM antenna Car security device on a single chip car signaling device Car alarms Car brake lights Car clock on IC КА1035ХЛ1 Car clock on K14IK1901 Automobile clock on the КА1016ХЛ1 chip LED car clock Dimmable car clock Car alarm clock Car alarm clock for AT89С2051i DS1307 Car alarm clock on KR1016VI1 Car watch-timer Car CD player with receiver JVC-KD-G405 circuit diagram Car CD Player-Receiver Samsung-SD-8550 Car LCD TV Elenberg-TV807 (schematic diagram) car adapter Car power supply Car power supply for multimeter Car power supply for laptop Car power supply for portable equipment Car alarm clock on IC КА1016ХЛ1 Automotive voltmeter Automobile voltmeter - signaling device Automotive LED voltmeter Automotive liquid level sensor Automotive indicator Automotive LED voltage indicator Automotive laptop source Automotive voltage source -220V Automotive power supply for multimeter Digital clock car power supply car cassette player car controller Car MP-3 player car night light Car receiver Toyota CR-L1010X (display, chips) Toyota CR-L1010X car receiver (main board) Car receiver A-370 Car receiver Ural-Auto Automotive LED lamp with turn off delay car alarm Car signaling device turn on headlights / turn off headlights Car stereo amplifier SONY-XM-2150GSX Car stereo amplifier SONY-XM-222MP2 Car stereo amplifier Sony-XM-222W car caretaker Car tachometer Automotive UMZCH car amplifier USB-powered car amplifier for MP-3 player Car amplifier for MP3 flash player Car amplifier for MPXNUMX player Answering machine - intercom TV antenna auto switch Car alarm Car alarm Executor-2001 Car alarm Pharaon SCS-400 guards the apartment Car alarm in the protection of premises Car alarm for apartment security Car alarm for 150 rubles Car alarm Cobra-2002 Car alarm on AN6884 Car alarm on two logic elements Car alarm on K176IE12 Car alarm on K561IE11 Car alarm on K561LN2 Car alarm on logical elements Car alarm on the K561LE10 chip Car alarm on one logic chip Siren based car alarm Car alarm based on UMS8 Car alarm on the counter K561IE11 Car alarm on telephone chips Car alarm on a clock chip Car alarm Oda-2003 Car alarm with rolling sensor Car alarm with inertial sensor Car alarm with microphone Car alarm Signal-2107 Car alarm Siren auto guard Guard for an inexpensive car Autoguard for Orbita Motor guard on K561KP2 Autoguard on K561LA7 Autoguard on K561LE5 Autoguard on one chip Autoguard on one chip CD4001 Autoguard on a watch chip Two-wire car guard Car guard with transmitter auto watch Watches with advanced features Adapter for powering equipment from the vehicle's on-board network Power adapter with timer Laptop power adapter in car ABC of VHF equipment aquarium timer Sleep control activator Active speaker system Active antenna for HF receiver Active antenna for radio Active AS of a poor student Active speaker for audio player or CD player Active anti-theft protection Active RF probe Active microphone for laptop Active subwoofer Aiwa TS-W32 Active subwoofer Aiwa-TS-W42 Active subwoofer BBK-FSW-108 Active car alarm node Active filter for XNUMX-channel stereo system Acoustic system for integrated UMZCH Acoustic machine Acoustic switch Acoustic switch for chandelier Acoustic switch for chandelier-2 Acoustic switch for incandescent lamps Acoustic light switch Acoustic light switch in the entrance acoustic sensor Acoustic sensor for launching Christmas tree illumination Acoustic sensor for alarm acoustic meter Acoustic vehicle fault monitoring acoustic switch Acoustic LED repeater acoustic sensor Acoustic signaling unit acoustic relay AM radio station Izumrud-AM-27 AM radio station Sverchok-AM-27-SV AM microtransmitter on a digital chip Amplitude modulator at a frequency of 1 MHz AM receiver on a transistor and TDA7052 AM receiver with low IF direct amplification AM radio Optosimistor analog on powerful trinistors of the T123 series Analog radio control system Analog synthesizer for CB transmitter Analog tachometer with LEDs Analog tachometer with digital readout Analog frequency counter on digital microcircuits Analog digital answering machine English-Russian Dictionary of Radio Mechanics Antenna gossamer Antenna Watchdog Antennas of portable radio stations Coaxial cable antennas Antennas for amateur bands Antenna amplifier Antison - for the driver Laptop upgrade Audio player - AM-FM receiver Sony-WM-FS111 Audio player Aiwa HS-PX107 Audio player Aiwa-HS-PS183 Audio player radio Sony WM-FS420/420RS DVD Audio Trick ADC for Frequency meter on K176 chips ADC based on K1003PP1 running lights Running lights with synchronization Running Light / Running Shadow Quartz-free frequency meter Proximity switch Proximity sensor Proximity sensor for circuit breaker Uninterruptible power supply Wireless control device Wireless intercom Wireless audio channel WESTERN-BELL cordless telephone FF-650 Hitachi HD49423AN cordless phone Cordless telephone LOTAN-FT820 Wireless Audio Extender Transformerless bipolar source Transformerless load power stabilizer with LCD display The beeper controls the alarm Power supply unit for portable equipment in the car Block for managing a backup gas generator Lighting off deceleration block Voltage fluctuation protection unit in the mains Stereo amplifier switching unit Sound processing unit Power supply 12V/25A Power supply for car amplifier Power supply for the player Samsung Camera Power Supply Power supply for digital devices Power supply based on the TPI-8-1 transformer and electronic ballast of an energy-saving lamp Power supply with switching regulator 1,2...25 V, 3 A Power supply with timer Power supply with digital indication of output voltage Radio receiver preamplifier unit Cooling fan control unit Video eye control unit Control box for packaging machine Chandelier control unit Lighting control unit Stop lamp control unit Ignition blocker Faulty start blocker Telephone line blocker Engine blocking Block siren in car alarm On-board computer for a Muscovite Keychain for electronic switch Alarm clock on K145IK1901 controls the video player Alarm Clock Dawn household timer Household timer with two alarm clocks Household timer on ATTINY2313 Household thermostat Car radio wintering option Varicaps Introduction of high frequency bias Introduction of the timer function in the XNUMX-STDT The all-terrain vehicle avoids obstacles Bicycle cell phone charger Bicycle speedometer Vertical pins for multi-range operation Video peephole in the security system Surveillance system video monitoring device video modulator video monitor Video Monitor LG-CS480 Video surveillance of the car Video security for the garage Video player Daewoo-DVST1MW (Rolsen RVC) Video player Orion N688 - angry dog Video radio microphone video splitter Video connectors of a personal computer Video recorder in security system DVR in utility room Switching on fluorescent lamps Powering the Printer from the USB Port Power Sources External sound card on PCM2705 Intra-cabin lamp for Zhiguli with LEDs Interior lamp with advanced features The return of the incandescent lamp Wavemeter for multimeter Magic button Magic wand - laser pointer magic switch Voltmeter - indicator for laboratory power supply Voltmeter for car Voltmeter for charger Voltmeter for power supply or car AC Voltmeter Eight teams on two wires Eight-input chart indicator Eight-band HF transceiver from available parts XNUMX-channel oscilloscope adapter Eight command remote control system Eight-music siren Eight tone siren Rotating light circle All-wave VHF receiver All-wave VHF tuner All-wave VHF-FM receiver All Band Surrogate Antenna All-band KB observer receiver Embedded frequency counter module Built-in antenna amplifier for TV Built-in amplifier for personal computer The second life of the radio The second version of the miniature auto-receiver Input block for frequency counter Input divider for frequency counter Input amplifier of low frequency counter Input amplifiers-shapers for a frequency meter RF generator on a digital chip RF generator with frequency readout by multimeter HF-IF path of the HF receiver Calling device for a set of CB radio stations Chip calling devices Vehicle low beam switch Fan switch in the kitchen Forced cooling fan switch Washroom ventilation switch Water pump switch Dimension switch Yard light switch Coffee grinder switch Table lamp switch utility room switch hallway switch Switch for heat gun Heat gun switch - 2 Toilet switch Light switch Garage Cooperative Lighting Switch Light switch for storage room or garage Delay switch Delay switch Delay switch for auto-off Delay switch on microcontroller Restricted switch Hallway light switch Double door light switch Light switch based on security IR sensor Light switch with remote control Delay light switch Light switch with timer Brake light switch Knock knock switch Tuk-tuk switch for chandelier UZCH SW radio switch Delayed appliance switch A switch that can count high voltage generator High-voltage generator from the line scanner of an old TV High voltage battery powered source High Voltage DC Voltage Stabilizer High Quality Direct Gain Receiver High quality FM IF High-resistance state of the logic input - on the oscilloscope screen High-precision millisecond timer on LED display High-frequency prefix to the frequency meter high frequency generator High frequency millivoltmeter High frequency probe High-frequency node of the MW radio station with parametric frequency setting high frequency amplifier High frequency electroepilator Highly sensitive piezo sensor Highly efficient switching voltage regulator based on IC TL1372 Gatekeeper output stage Electronic siren output stage Output stages of electronic signaling Output filters garage switch garage valet Generator - metronome 38 kHz generator RF generator RF generator with low voltage supply High voltage pulse generator GSS-6A generator Generator for establishing CB radio stations Generator for setting up a MW radio station Generator to power the LED Monitor Test Generator TV Repair Generator Electric fence generator Electric Net Generator Optical controlled sound generator Audio frequency generator with adjustable phase shift Audio frequency generator on a single transistor Pulse generator for timer Pulse generator with hourly period, and automatic device for turning the solar array or antenna Generator on KR1533APZ Chip generator ULN2003AN Generator on the MS3463AR chip LF generator Frequency Reference Generator for Frequency Counter Periodic interval generator Bias Generator SOS Signal Generator Daily pulse generator Load current generator on bipolar transistors Fixed Frequency Generator Frequency generator 50 Hz Sea noise effect generator Voltage controlled oscillator on digital circuits Alternators on TA7291S Generators on the chip KR142EN12A Reed electromagnetic relays Reed switches Local oscillator for CB radio Hybrid digital data radio transmitters TX5000, TX5001, TX5002, TX5003 Hybrid digital data radios RX5000, RX5001, RX5002, RX5003 Giant display for hours on K176 Garland - chameleon Talking Alarm Clock Radio Sony-ICF-C723L VFO for transceiver or HF receiver Nasal warmer Lightning protection for computer TV tuner TV lightning protection Telephone lightning protection Loud dual tone siren loud siren Loudspeaker for phone Rough way to decrypt remote control commands Fan sensor for car radiator Humidity sensor for ventilation system Sensor for automatic switching on UMZCH Sensor to turn on the flashlight Sensor for turning on the electric towel Sensor for turning on the electric towel. Two schemes Smoke detector Tank full sensor Sensor Someone at the door Antenna rotation sensor Electrical installation sensor Gasoline level sensor - security sensor Brake fluid level sensor Country water tower Country radio point Country CD player Country adapter for MP-3 player Country water supply Two car voltmeters Two analog tachometers Two audio modules on K1401UD4 Two power supplies for portable equipment Two switches - economy Two switches for utility rooms Two FET switches Two delayed switches Two self-resetting light switches Two oscillators on digital TTLSH chips Two two-transistor receivers Two master oscillators on digital microcircuits Two stereo balance indicators Two simple security devices for an apartment Two simple UMZCH for pocket audio equipment Two 144 MHz transmitters Two voltage converters with galvanic isolation Two simple UMZCH Two simple UMZCH with field effect transistors in the output stage Two relays for lighting control Two power outage alarms Two radioactivity alarms Two sinusoidal logic generator Two stereo amplifiers Two timers for Niva Two home phone devices Two devices for dependent activation of electrical appliances Two devices for control via cell phone Two designs on AN6884 Two designs on AN6884 and IRF840 Two designs on K561TR2 for Zhiguli Two circuits on a photodiode Two circuits on CD4060B Two schemes on KR1182PM1 Two schemes of twilight switches Two car headlight control circuits door bell doorbell Car door sensors LW-HF preselector Binary 7-digit counter with decimal indicator Binary indicator for signaling Binary hidden wiring finder Binary garland switch Binary timer for 68 years Bipolar power supply Bipolar source on electronic transformers Bipolar power supply for battery equipment Bipolar laboratory power supply on TVK Bipolar stabilizer Two-watt transmitter at 27 MHz Two-watt transistor power amplifier AF Dual Band HF Receiver Dual-band receiving path on K174XA34 Aiwa FR-C200 Dual Band Radio Dual Band Communication Receiver Dual-band VHF FM receiver on VHF-IP-2 Dual zone digital thermometer Two-channel autoguard on one chip Two-channel powerful UZCH for a CD player Dual channel stabilizer on TDA2004 Dual-channel voltage regulator on ILA8133A Dual-channel voltage regulator on TDA7297 Dual-channel voltage regulator on TDA8138B Two-channel UMZCH D-class (210W x 2) expandable to six channels Two-channel phase power regulator on a microcontroller Two-channel time relay on the ATTINT2313 microcontroller Two-cassette tape recorder Goldstar TWR-8203 Panasonic RX-CT810 double cassette recorder Sony CFS-DW38L double cassette recorder Two-button relay control Two-button combination lock Two-command remote control Two-command radio control Bipolar mains power supply ±24 V, 190 W on mains flyback converters Two-wire remote control for 3-USCT FYD Dual Digit LED Indicators Double digit tachometer Two pointer voltmeter Two-stage lamp activation Push-pull transmitter for remote control Dual tone siren Dual transistor receiver Two-color indicator for signaling Bi-colour brake light repeater Nine volt power supply Nine-band graphic equalizer On-duty scheme of the preliminary ULF Making a transformer Frequency divider for multimeter Decimal output of DTMF decoder electrosmog detector Children's radio microphone Children's cell phone Cheap car radio with expensive sound Cheap 130-watt UMZCH Diagnosing digital circuits with an oscilloscope Voice recorder Aiwa TP-VS500 Dynamic RAM Diode switch for three TV antennas Diodes Schottky Disc combination lock Remote button press Remote control Remote control answering machine Remote control of household electrical appliances Remote control for USCT and not only Remote control of models IR remote control Remote control on IC HT12E and HT12D Remote control on RT8A977 and RT8A978 Remote control for four objects DTMF remote control Remote control by phone Remote control via cell phone Remote control of devices using the NEC protocol remote control Remote control using a module from an old TV remote control via internet aquarium Remote control of four objects Remote controlled variable resistor Remote headphones Remote switch Remote switch for chandelier Remote switch from parts of an old TV Chandelier remote switch Remote Light Switch Remote mains switch TV Antenna Remote Switch Remote switch for chandelier Remote heating of a car battery Remote signaling device Daylight in domestic cars Radiation dosimeter home slot machine home thermometer Home digital thermometer Домофон Intercom with simplified connection Supplement to the article CB radio station with an individual call Addendum to articles about watches on K176IE12, IE13, ID2 Addition to the wiring diagram of the figure eight Auxiliary TV inputs Additional brake lights Additional brake light Additional car brake light Additional brake light for car Modified acoustic relay Modified IR sensor in the security alarm Completion of the charger STA-U12RD Refinement of MMC LG-CD-321AX Refinement of portable Asian radio tape recorders Refinement of the anti-theft blocker Refinement of the old CMU Refinement of the digital part of the radio signaling neon driver LV Motor Driver Understudy of residential and telephone calls Phone call double Doubling a siren with a horn duplex intercom Christmas tree - chameleon Christmas tree that loves music Tree that listens to you Christmas tree switch on PROM Capacitive relay for lamp Capacitive light switch If there is no powerful optosimistor Another quartz timer Another laboratory direct conversion HF receiver Another false ceiling switch Another UV for car radio repair Another car alarm Another attempt to deceive an apartment thief Another wiring diagram A couple more simple surge protector circuits for consumer electronics fried ration LCD TV VITEK-VT-5005 LCD TV Horizont 20LCD812 A bug on a digital chip Forgotten Antenna Dependent load switching Dependent switching on of loads Dependent switch for household appliances Master oscillator for automatic lighting effects Power load turn-on delay Retarder for turning off the lights in the car Retarder for turning off the lights in the passenger compartment of the car Antenna Analyzer Replacement Replacement door switches Immobilizer replacement Replacement of integral stabilizers Replacing the kinescope 61LK5Ts with 61LK4Ts Replacing the power transformer in the music center LG-LM-KW6530X Replacing the carbon microphone Phone line lock Call recording Recording telephone conversations on a tape recorder Recording telephone conversations on MP-3 player Recording telephone conversations with a voice recorder Memory switch - timer memory call memory timer Starting the local oscillator IC MC3362 from the LC circuit Foreign analogues of K155 and K555 microcircuits Foreign integrated stabilizers Solar battery charging Charger for 12-volt sealed lead-acid batteries Charger for Li-Ion batteries Car Battery Charger Lithium battery charger Charger for small batteries Charger for nickel-cadmium batteries Charger for AA batteries Nokia 6110 cell phone charger Charger with timer Protection of the power supply against short circuit in the load Flashlight bulb protection Protection of equipment against voltage fluctuations in the mains Gas explosion protection Protection of radio-electronic devices against polarity reversal or power voltage increase Safety timer for TV Call for a cat Call to UMS Audible alarm Sound note sound letter Sound doubler turn signal Sound understudy signal lamp Acoustic power outage indicator Audible ultrasonic indicator Audible signal strength indicator Sound probe with amplitude detector Audible alarm Horn Reverse Sound signaling device of inclusion of headlights of the car Buzzer Turn off the turn signals Buzzer Turn off headlights Buzzer Turn off the headlights! buzzer for soldering iron Buzzer to search for hidden electrical wiring High voltage buzzer Buzzer for turn signals Pampa glow sounder Dice Dice on a microcontroller The toy moves towards the light Laser controlled toy Electronic owl toy Zener ID Zener identification Power outage detector PCB fabrication with photoresist Measuring high voltages with a multimeter Capacitance measurement with a multimeter Measurement of small alternating voltages with a multimeter Measuring low resistances with a multimeter Measuring TV signal strength with a TV Measurement of transmitted power on VHF Measuring the speed of a magnetic tape with a frequency meter RF generator frequency measurement Frequency measurement with a radio receiver Meter L and C Air humidity and temperature meter Photoelectric radio station output power meter capacitance meter Capacitance and inductance meter Inductance meter Ionizing radiation intensity meter Complex resistance meter - prefix to a computer Voltage meter with digital indication Fluid flow and velocity meter Microwave signal meter Insulating coating thickness gauge Tank water level meter PIC16F873 Electrolytic Capacitor Equivalent Resistance (ESR) Meter measuring bridge Measuring frequency counter IR reflective beam sensor IR sensor Infrared Beam Alarm Sensor IR channel IR channel for headphones IR locator IR parking stereo system IR listening device IR port for PC IR translator IR model control Burglar Alarm Simulator Imported transistors Switching power supplies on the LM2577 chip Switching regulators LM2575, LM2576, LM2595, LM2596 Switching power supply for a two-pointer voltmeter Switching power supply for stereo amplifier Switching power supply for AF stereo power amplifier Switching power supply for UMZCH Switching power supply for a screwdriver Pulse high voltage generator Switching high-frequency voltage converter on ADP2504 Switching power supply Switching power supply for Dandy Switching power supply for MP-3 player Flashlight brightness switch Switching stabilizer on the MC34063A audio chip IC LM4834 IC LM4835MT IC MC33340 - charge controller IC UMZCH AN5270 Inverter DC12V/AC220V DC voltage inverter Indicator - mains voltage signaling device Indicator - tachometer for any car Dot indicator on AN6884 Emergency shutdown indicator Alarm indicator RF indicator Indicator for charging a screwdriver 14,4V Alarm indicator Telephone line busy indicator Charging voltage indicator Indicator IV-27M in measuring devices Pumped liquid indicator PROM indicator Voltage indicator 10-19V Car battery voltage indicator Battery voltage indicator On-board network voltage indicator on one LED On-board network voltage indicator on a three-color LED Voltage indicator in the automotive on-board network voltage indicator for car Voltage and current indicator of the laboratory power supply Voltage indicator with auto-switching of measurement limits Tension indicator Field strength indicator Field strength indicator for MW radio tuning Alternator drive belt break indicator End of Line Seizure Indicator Power outage indicator Voltage drop indicator Bad contact indicator Wind vane position indicator Polarity indicator Proximity indicator Radiation indicator Radioactivity indicator on the ZIP1300 counter Low battery indicator Distance indicator Hidden wiring indicator Car door status indicator Telephone line status indicator Telephone line status indicator on dual color LED Greenhouse temperature indicator Temperature indicator on the LM339N chip Acoustic signal level indicator Coolant level indicator Signal level indicator with circuit breaker for AF power amplifier TV signal strength indicator bar type indicator Electric field indicator on a controlled negavaristor Indicator chips BA681. BA682, BA683, BA6822S. BA6822F Indicator LED in the circuit = 220V Indicators for laboratory source Current and voltage indicators for a laboratory source Indication of seconds in hours on K176 microcircuits inertial sensor Integral stabilizers Integrated UMZCH LA4625, LA4628, LA4725, LA4728 Integrated AM-FM receiver on IC SHA 1691 Integrated stereo amplifier Technics SU-VZ320 Integral UMZCH LA4742 Integral UMZCH LA4743B Interval timer naIMSS04541B Interval digital timer from an electronic watch infrared barrier infrared switch infrared sensor Infrared sensor for automation infrared key infrared radar infrared lamp Wiring Finder hidden wiring finder Hidden wire finder without power supply Actuator for Miracle timer Radio control unit with DTMF Using the ATX computer power supply in amateur radio practice Operational amplifier tester FET Tester Transistor tester Voltage source 5V on LM2595T-5.0 Voltage source for varicaps Negative voltage source in the TV circuit Power supply for vacuum indicator Power supply for MP-3 player CMOS debug power supply Power supply for OS devices Power supply for automotive electrical repair Power supply for clocks on K176IE12, IE13, ID2 Power supply for a drill driver from an electronic transformer Power supply from electronic ballast Indicator power supply Fluorescent lamp power supply Power supply LDS on K176IE12 Power supply with galvanic isolation Power supply with smooth polarity reversal Samsung CK5073ZR TV power supply (RTV chassis) Energy saving lamp power supply Overvoltage source Three-phase voltage source Power supplies for VVK DVD players Power supplies for fluorescent lamps cable tester Cabin four-channel audio amplifier How to get free parts? How to make a Chinese sing Moscow Evenings How to cheat the injector? How to mirror a text document How to make daylight on Lada How to make a printed circuit board How to make a printed circuit board? Calibrator for measuring instruments Calculator - minutemeter Rearview Camera Karat-M 160 meters Pocket radio Aiwa-HS-TX406 Pocket radio Pocket CB radio ICOM IC-4088 Pocket VHF Radio (Schematic Diagram) Pocket VHF radio Kenwood TK-2107 Pocket VHF radio MIDLAND-GTX-400 Pocket VHF radio MIDLAND-M24 (M48) Midland-Q5-PMR Pocket VHF Radio (Schematic Diagram) Pocket VHF radio VECTOR-VT47-PILOT (schematic diagram) Pocket VHF radio VECTOR-VT47-ULTRA (schematic diagram) Pocket AM-FM receiver Pocket alarm clock - timer Pocket High Voltage Generator Pocket receiver with frequency synthesizer Sony-SRF-T615 Pocket stereo receiver Pocket strobe Pocket VHF-FM receiver with frequency synthesizer Sony-SRF-M55 Pocket frequency meter Proximity Card Reader Hi-Fi class cassette deck Cassette player Sony WM-EX 192/190 cassette player Reel-to-reel tape recorder Dnepr HF signal receiver HF Direct Gain Receiver HF receiver with minimum loops Quasi-analogue autotachometer on two microcircuits Quasi analog indicator Quasi analog tachometer Quasi-mechanical timer Quasi-sensor block of fixed settings Quasi-sensor switch with protection against overvoltage in the network Quasi-sensor six-position switch Quasi-digital key Home alarm Quartz alarm clock - tape counter for video player Quartz alarm clock - timer Quartz alarm clock controls the load Variable Bandwidth Quartz Filter HF converter HF converter on SA602 HF module for high quality direct amplification receiver HF receiver HF receiver - module HF receiver for signaling HF receiver on K174XA10 HF receiver on K174XA36 HF receiver for a survey range of 1,8-7,5 MHz HF receiver of the observer - radio listener entry-level HF receiver HF receiver attachment to a laboratory RF generator Direct Gain HF Receiver HF receiver with variable bandwidth Chinese car radio Chinese car CB radio TTI-TCB-880H (schematic diagram) Chinese portable VHF radio BAOFENG-5R (schematic diagram) Chinese VHF radio Chinese VHF radio station Quansheng TG-K58 (schematic diagram) Chinese VHF receivers Chinese TV Electronix FB-1426 (chassis KD-020) Chinese TV on chassis 12.7 (schematic diagram) Keypad combination lock Klaxon instead of a siren Club amplifier ZU-430 Key transformerless power supply Key mixer in low frequency transceiver Key Stabilizer on LM317HV Bell button turns off the light Thanks/sorry button for car Timer button with load off delay Pushbutton switch - dimmer Pushbutton controller Button control unit for the receiver on K174XA34 Security system encoder and decoder for seven channels Encoder-decoder of telecontrol system Code device for electric lock Access code device Combination locks Combination locks on thyristors Combination lock Code lock on the RS-trigger and mounting 10I Code lock on decimal counter Combination lock on logic elements Combination lock with acoustic control Combination lock with remote control Code lock with uninterruptible power supply Combined Meter Switch SA630 Four position analog signal switch on BA7604N Video input switcher Stereo amplifier input switcher Stereo amplifier input switcher UZCH input switch Switch of two telephone lines for one telephone set Switcher for video system Switch for eight Ignition switch 76.3734 - High-quality Passenger car ignition switch Ignition switch on MIS transistor FET ignition switch Stereo Switcher Compact automatic day / night Greenhouse daylight compensator Computer power supply in amateur radio designs Computer input on TVs on TDA8362 Computer thermostat Converter for "Walkie talkie" reception Converter for receiving signals in the range of 50 MHz Walkie Talkie Converter 9V voltage converter Converters based on the LA1185 chip Designing a wattmeter load soldering iron controller Checking the health of car lamps Checking the health of car headlight bulbs UZSK control of the interrupter with a multimeter Coolant level control Control panel of the laboratory power supply 144 MHz control receiver Contour coils of imported receivers Suspended ceiling lamp coordinate switch ROM copyer corridor switch Short vertical low-frequency HF antennas Shortwave communication receivers of Impromt type shortwave converter shortwave receiver Shortwave receiver on two chips Shortwave receiver on two transistors Shortwave receiver for 80 meters Shortwave receiver on TDA chips Shortwave observer receiver Shortwave Direct Conversion Receiver Shortwave Direct Gain Receiver Shortwave Broadcast Receiver Shortwave broadcast receiver on TDA1572 shortwave radio Shortwave regenerative receiver Shortwave communication receiver for 40 meters Shortwave synchronous heterodyne receiver Shortwave synchronous heterodyne radio receiver with frequency synthesizer Shortwave transceiver Quartz-RU-99 Amateur speaker cabinet KPI in oil crown substitute Crossover for XNUMX channel stereo system Kitchen automatic lighting control Kitchen timer Laboratory Laboratory power supply from ATX computer power supply Laboratory power supply with fast protection Laboratory power supply with built-in digital voltmeter Laboratory GZCH Laboratory Power Supply Laboratory power supply from an old vehicle Laboratory shortwave direct conversion receiver Laboratory low frequency generator Laboratory receiver for all HF bands Laboratory stopwatch Laboratory thermometer - thermostat Laboratory transceiver Laboratory frequency counter Laser pointer - security sensor Laser pointer - TV remote control Laser remote control Chandelier Laser Switch Laser paintball Incandescent lamp and LED in the antenna circuit Tube-semiconductor VHF FM receiver Tube car receiver A-12 Tube car receiver A-5 Tube oscilloscope C1-18 Lamp engine heater with timer Tube PA for MW radio station Lamp UMZCH Lamp UMZCH with an unusual transformer Lamp UMZCH-10W Tube ULF for headphones 20-35W tube amplifier Incandescent lamps in amateur radio equipment Pentode lamps Patching holes in the expansion tank Legendary oscilloscope LO-70 Ribbon Antennas VHF ribbon antennas Linear voltage indicator Linear ohmmeter Pulse trap phase trap Logarithmic audio level indicator Logic probe Logic probe for TTL Logic probe without power supply Low HF Amateur Receiver Luminescent linear scale Magnetic antenna Magnetic antenna with inductive tuning Magnetic sensor Magnetic shock sensor Magnetic starter for household appliances Radio Aiwa CS-100 Radio LG-TW-862T Radio Panasonic RX-F410 Radio Panasonic RX-FS470 Radio Panasonic RX-M40 Radio Panasonic-RX-FS435 Radio Sharp QT-100Z Radio Sharp-WQ-727 Radio Sharp-WQ-740W / 780W Radio Sony CFS 904 Radio Sony-SFSB7SMK2 Magnitoradiola Romantika 104 Tape recorder Aidas-9M Tape recorder Chaika-66 Tape recorder-programming device Bread board Small-sized radio station on the SV-range Small-sized MW radio station small siren Small-sized antennas for MW radio stations Small-sized antennas for 27 MHz MW radio stations Small-sized electromagnetic relays Small-sized frequency meter Small-sized, powerful, four-channel UMZCH low power radio Low power transmitter at 144,6 MHz Low power PM transmitter Low power FM transmitter Small-signal path of a color TV based on the TA8659/TA8759 chip Manipulator for radio security system transmitter Mars rover goes to light Masquerade in the battery market FYQ Dot Matrix LED Indicators MAX1470 - low voltage data radio receiver MAX1472 - low voltage radio data transmitter MAX1473 - low voltage data radio receiver MAX4297 - class D stereo power amplifier MAX7030 - low-voltage transceiver for receiving and transmitting data over a radio channel Copper winding wire Melodic apartment calls melodic apartment bell Melodious signaling device twinkling star Flickering delay switch Local radio control Metal detector Metal detector Metal detector for construction work Metal detector from available elements Beat metal detector Metal detector on K561LA7 Metal detector, - attachment to the multimeter Mechanical power supply for audio player Flasher with six LEDs Flashers on substandard triacs KU208 flashing lamp flashing beacon Microwave oven DAEWOO KOC-870TOS (schematic diagram) Microwave oven HORIZONT 23MW-1479 (schematic diagram) Microwave oven Bereginya Microwave ovens Daewoo -KOS972T, KOS982T, KOS-983T, KOS-985T Microcalculator - like a universal calculator Microcalculator - digital display Microcassette voice recorder Sony-M530V/535V/630V/635VK Microcontroller - as a delta modulator Microcontroller as delta modulator Microcontroller indicator spark Microcontroller control system for multiphase asynchronous motor Microcontroller stabilized power regulator microcontroller timer Microcontroller frequency meter PIC microcontrollers with USB interface in thyristor converter control Microcontrollers in the practice of a radio amateur Microohmmeter - attachment to PC Sony-QT1 micro radio receiver Microsauna in the apartment AUREL Audio Receiver and Transmitter Microassemblies Teleconlrolli micro transmitters Telecontrolli receiver microassemblies Chip CXA1019S - AM/FM radio receiver Chip HVLED807PF - LED lamp driver Chip ICL8038 Chip LA1600 Chip LA8604 Chip LM1871 - encoder / transmitter for radio control Chip LM1872 - receiver / decoder for radio control Chip MC13055P(D) Chip MC13141D (D1, FTB) Chip MC13150FTA/FTB Chip MC13156DW/FB Chip MC3363DW Chip MC3374FTB SC8560 chip for alarm clock radio Chip STV2249E (C) - signal TV - processor Chip TDA7222 - AM / FM stereo radio receiver with low voltage power supply Chip TDA9351 / TDA9381 - TV signal processor and control controller Chip U2860B Chip U4468B Chip XR-2206 ADC chip ICL7106, ICL7106R, ICL7106S. 04-16 ADC chip ICL7107, ICL7107R, ICL7107S ADC chip CA3162, CA3162A Chip КА8513В/С Chip КА8514В (S1T8514B) Chip MAX038 Chip MC13135 Chip MC13158FTB Chip MC1496 IC MC2833 - radio transmitter Chip MC3359 Chip MC3361C Chip MC3362 Radio channel chip TA31273FN Microchip of the radio channel ВН4116FV Chip RT8A976 for remote control Chip RT8A976V Chip SHA 1600M/R Microcircuit UZCH TDA7560 Chip VHF-FM radio path Si4702/03 Chip UMZCH LA4510 Chip UMZCH LA4525 Chip UMZCH LA4534 Chip UMZCH LA4660 Chip UMZCH LA4663 Chip UMZCH LM4780 Chip UMZCH LM4781 Chip UMZCH STK402-070 Microcircuits - single-channel UMZCH for portable equipment Microcircuits - volume controls Microcircuits of AC/DC converters ICs MC13175D and MC13176D - VHF transmitters Chips SA602A, SA612A Chips SA604A, SA612A, SA624 Chips SA605A, SA615A, SA625 Chips for audio players Chips for remote control KS9801, KS9802, KS9803 Microcircuits for indicators of level of analog signals Chips KR1506KhL1 and KR1506KhL2 in the office security system Chips MC33369-MC33374 Chips MC3371 and MC3372 ROM chips with UV erasure BH4126FV and BH4127FV radio channel chips BH4128FV and BH4138FV radio channel chips Microcircuits of the radio path Chips of radio paths of radio control systems Microcircuits РТ8А261 / 262 for infrared sensors for switching on lighting Chips RT8A9701 / RT8A973 for remote control Chips RT8A977 / RT8A978 for remote control Chips RT8A995 / RT8A996 for remote control Chips RTA8A6301 / RTA8A6311 for remote control Microcircuits UMZCH Chips UMZCH LA4266/4267/4268 Chips UMZCH LA4267/4277/4278 Microcircuits UMZCH LM4730, LM4731, LM4732, LM4733 Microcircuits UMZCH LM4874MH, LM4940TS Chips UMZCH LM4952TS, LM4950TA Microcircuits UMZCH TA8216HQ, TA8258HQ Microcircuits UMZCH TA8225HQ, TA8225LQ Microcircuits UMZCH TA8246HQ, TA8256BQ Microcircuits UMZCH TB2903HQ, TB2904HQ, TB2905HQ, TB2906HQ UMZCH microcircuits with unipolar power supply Chips UMZCH series STK4018-4048 Microcircuits UMZCH TA8205A, TA8210A, TA8221A UMZCH microcircuits from National Semiconductor Chips-dialers for telephone sets Chips-regulators for audio equipment UZCH ICs AN7147, AN7148, AN7168, AN7169, AN7176, AN7178 Microphone with radio remote control Microphone amplifier - mixer Millivoltmeter - frequency meter Light effects mini machine Miniature MW radio Miniature photo relay Miniature Power Transformers miniature car receiver Aiwa-CSD-A510 Mini Audio System Great Wall Mini Radio Multi-channel remote control system Multi-channel two-wire security device Multi-channel music call Multi-channel thermostat for terrarium multi-room call Multi-place signaling device Multi-stable trigger on PROM Multi-point light control Multicolor garland for home Christmas tree Mobile CB radio mobile switch Mobile TV Tuner JVC-KV-C10 Modeling the operation of radio circuits Modem for LPT port Modernization of the LED brake light repeater Upgrading the C2176A network adapter Modernizing old black and white TVs Modernization of fan control for VAZ-2110 machines Modernization of an outdated mini-audio center Voltmeter module Module for receiving DRM broadcasts UV module for car radio repair VHF tuner control module Modular alarm Monitor LG FLATRON-L1510SF (LB500-VL) (circuit diagram) Monitor Rolsen C708. Algorithms for finding some faults Aiwa PM-P300 mono cassette recorder Tin mounting Bridge stereo amplifier on LA4585 Bridge stereo amplifier on КА206 Bridge ULF on IC TDA1562Q motorcycle alarm Powerful flasher Powerful musical siren Powerful reliable siren powerful siren Powerful Crystal Oscillators for Bridge SWR Meters Powerful microwave transistors Powerful thyristors Powerful power supply Powerful bipolar power supply Powerful sound and music generator Powerful laboratory power supply Powerful Bridge Power Amplifier Powerful FET switch Powerful radio microphone Powerful adjustable low-voltage power supply on the LX8384-00 CP chip Powerful transistorized multivibrator Powerful transistorized bass amplifier Powerful three-channel UMZCH for car audio center Powerful UHF for CD player Powerful UMZCH on an affordable element base Powerful amplifier at 143-174 MHz Powerful amplifier module for audio center MP-3 player NEWMAN-Q100 (circuit diagram) MP-3 player TEHET - T-43x (schematic diagram) MP-3 Flash player ATJ2073 (circuit diagram) MP-3 flash player EXPLAY - M4 (RC2430) (circuit diagram) MP-3 Flash player TEHET T-800 (schematic diagram) MP-3-3 - laboratory power supply MP-3 player instead of a cassette MS1374R - TV modulator MC1377 - composite video signal conditioner Musical Christmas tree Music stand for alarm clock Musical alarm musical siren Music call Music call from the subscriber loudspeaker Music call with radio channel Musical house bell Musical signaling device Music signaling device for UM 66 Music transistor Music center LG-FFH-170AX (main board) Multivibrator with serial load Multimeter - car tachometer Multimeter - RF Millivoltmeter Multimeter - wiring finder Multimeter - metal detector Multimeter - tachometer Multimeter - Logic Probe Multimeter checks quartz MC for Z-USCT on a modern element base On a two-color LED Powerful field effect transistors CMOS Chip Experiment Kit Outdoor TV antennas Wristwatches run the load Wrist electronic multifunctional watch-timer Wall clock on K145IK1901 Desktop clock on the chip КА1016ХЛ1 Desktop MP-3 player Desktop MP-3 flash player Setting up an LC circuit Setting up a superheterodyne receiver Our LEDs (visible spectrum) Some typical malfunctions of VCRs and video players and solutions A little about MOSFETs Unusual inclusion of ICs MC3361 and KA2297 Fancy LED indicator Unusual frequency counter Inextricable vibrator Several switches for renovation Several toys for a private home Some useful diagrams for the amateur radio laboratory Several recipes for etching printed circuit boards Several ways to reduce the brightness of the night light Several circuits of low-power VHF-FM transmitters Simple car alarm Simple universal alarm Simple charger for TC-200 Simple timer Unconventional scheme of the IF-HF path of the HF receiver Non-electronic security device on cell phone Low voltage power supply LDS Low voltage circuit breaker Low voltage electronic fuse low frequency generator Low-frequency generator from the MUNC board Low frequency millivoltmeter Low frequency oscilloscope Self-powered low-frequency amplifier Low frequency counter New life of radio components from old radio and television equipment New filling for a toy radio station New call from old call New profession IC K174UN7 New profession of the SDU-15 set The new profession of the remote control from ZUSCT A new profession for an old radio New work for old TV remote control system Christmas garlands Christmas flashers New Year's schemes New Year's schemes 1998-2006 New Year's schemes from 1998 to 2007 New Year's schemes from 1998 to 2010 New Year's schemes from 1998 to 2011 New Year's schemes from 1998 to 2012 Christmas garland New AVR programmer MP9011 Night light for front door Night light with automatic switch-off Soft turn off night light Night light switch Night switch with non-critical location of the photosensor Telephone night switch Night yard light LF/HF counter About refilling laser cartridges About refilling ink cartridges About Peripheral Power About the power supply of the digital tachometer About the application of the video eye About using the remote control of old TVs About radio call application About checking quartz About the operation of the FM modulator in the car About digital electronics from scratch Flyback converter on TNY268 Reverse keyboard adapter General principles of troubleshooting in a modern kinescope TV Limiting the duration of continuous operation of the load Limiting the inrush current of switching on radio equipment Heat limiter One of the ways to set up a LPM tape recorder One monitor for two computers Single Band QRPP HF Transceiver Single Band Low Voltage Transceiver Single channel 27 MHz radio Single-channel dynamic lighting installation Single channel MW radio Single-channel receiving path of the MW-band One-button remote control system One-button alarm switch One-button combination lock One command radio control system One time programmable microcircuits - ROM Single-chip AM/FM receiver КА2297 Single-chip FM receiver KA22429D FYS Single Digit Digital LED Indicators Single-digit digital LED indicators from ROHM for a radio amateur designer Single-ended UMZCH on a field-effect transistor Window sensor Queen Operational amplifiers of the CIS and their foreign analogues Operational amplifier Determining the characteristics of the bass amplifier Optical sensors Optical sensor Optical sensor for home automation Optical burglar alarm sensor Optical distance sensor Optical limit switch Optical relay Optoswitch for utility room Railroad Model Optoswitch Optoisolation of the audio signal Optorelay series K293 (KR293) Optoelectronic relays PS71xx Original anti-theft Original light and music console Original clock on the LED display Original LED mode indicator original light machine Mastering Logic Mastering programmable logic matrices from ALTERA HF transceiver basic circuit 160M transceiver main unit The main boards of mini music centers LG Oscilloscope Oscilloscope on a microcontroller Three transistor oscilloscope Oscilloscope S1-72 Oscilloscope Cyclops Oscilloscope tubes Oscilloscope indicator Oscilloscope probe Domestic rectifier diodes Domestic integral stabilizers Domestic operational amplifiers and their analogues Mains disconnect Dog Repeller Countdown time using a quartz alarm clock Office UZCH Relay security Охранная сигнализация Security alarm for tourist tent Security alarm for an attached building Warehouse burglar alarm Cell phone based burglar alarm Burglar alarm on clock chip Burglar alarm with cell phone output Burglar alarm with infrared sensor Burglar alarm with button code Burglar alarm with code switch Cell phone burglar alarm Security video surveillance system for $60 Security system for VAZ-2108 Security system for a holiday village or garage cooperative Security system for a car Security system with radio notification Security system with water pipe communication security device Security device for an apartment Warehouse security device Security device on 8-bit AVR microcontrollers Security device based on a laser pointer Radio based security device IR security device Cell phone security device Security device Hands off! Security sensor for garage Security sensor on the gas cap Security radio transmitter IR burglar alarm Security timer Very loud siren Very simple powerful transistor UMZCH Very simple probe - rangefinder Parallel audio channel parking sensor Parking sensor with acoustic control Parking locator on LM380N Parking attendant Passenger alarm Soldering Station Pager for car Transferring a printed circuit board pattern to fiberglass foil by thermal transfer Intercom Intercom - intercom Intercom for individual intercom Intercom on the chip KR142EN12A Intercoms at 49 MHz Wireless Audio Switching Transmitter Transmitter for sports games and DF competitions Transmitter for digital radio control 144 MHz transmitter 144 MHz transmitter on a 74HC00 chip 145 MHz transmitter Transmitter on MS2833 Transmitter on a digital chip 144 MHz transmitter Transmitting path of radio signaling Alteration of the Nevsky RP-302 receiver at 27 MHz Antenna switch for QRP transceiver Eight string switch Eight Load Switch TV input selector Garland Changer Twelve Months Garland switch on diode PROM Garland switch on PROM Garland switch on PROM with a programmer Garland switch on the register False ceiling lamp group switch, with memory ten garland switch Camcorder switch Switch for video system Switch for four-point lamp Christmas tree garland switch with acoustic control Hard Drive Switcher for Computer Chandelier lamp switch or Settings switch The switch of one garland on the thyristor Job switch Job Switch Mouse TV antenna switch Three string switch Four string switch Switching the antenna to the PA Personal computer - low frequency oscilloscope ROM with electrical erasure Audio Peak Meter Powering the 12-volt fan from the mains Powering a cordless drill from the mains Powering a laptop from the power supply of an old TV Power supply from the mains of the MPXNUMX player - FM modulator Powering the LED from the mains Powering a VHF radio in a car UMZCH power supply from a personal computer source Power supply of digital clock from the onboard network Smooth switching on of lamps in the basement plate radiator beach timer Obeying the laser beam Stop signal repeater MAX5025-MAX5028 DC/DC Boost Converter MAX618 DC/DC Boost Converter Step-up voltage regulator on IC MC34063A Increasing the power of the integral stabilizer Increasing the power of the regulator on KR1182PM1 door controlled Acoustic Feedback Suppressor false ceiling Maintaining backup batteries Crafts from a broken alarm clock Charger Connecting a Surveillance Camera via a Game Console Modulator Connecting a computer to a TV Connecting a computer to a TV on TDA8362 Connecting the microcontroller via RS485 to the USB port of a remote computer Connecting an MP-3 player to equipment Connecting a turntable to an audio center Connecting a siren to a motion sensor Connecting a cell phone to a personal computer Winking Santa Claus Suction in the injector Fire and burglar alarm Fire smoke detector Field effect transistor in the switching circuit Field and country antennas of the MW range FETs IRF Watering machine for indoor flowers Polychrome mains powered LED emitter police flasher Complete shutdown of the regulator on KR1182PM1 Full color indicator Full stereo amplifier Full six-channel bass amplifier for PC or DVD Noise-immune telephone line remote control system Buck, boost and inverting regulators on the TL494CN chip USB port - switch USB port - power supply 27 MHz portable radio Portable radio station SV-band ALAN-42 (schematic diagram) portable alarm Portable Audio Center LG-321AX Portable receiver Speedola-207 Sony ICF-F1 Portable Radio Why is the radio talking? Almost like a key-tablet Step-by-step inclusion of several loads Pre-amplifier with tone control Preliminary ULF with low-resistance input and high gain Pre-LF with low-pass and tone control AF preamplifier Preamplifier on domestic ICs Preamplifier with unusual tone control Preamplifier with XNUMX-band tone control Preamp with EQ Mains overvoltage fuse Preamplifier - audio processor Preamplifier for sound card Preamp with EQ Preamp EQ Before Assembling a Direct Conversion Receiver Converter =12V/~220V Converter 3V/5V USB-RS-232 converter (COM) Decimal to binary converter Converter for powering fluorescent lamps from a car battery Converter for powering a fluorescent lamp from a car battery Converter for frequency counter Voltage transformer Voltage converter =12/220V 50Hz Voltage converter 12/220V Voltage converter DC6V-DC12V-AC220V Voltage converter for powering indicators IV Voltage converter to power electronic clock Voltage converter for powering electrical appliances from a car battery Voltage converter on K155LA18 DAC/ADC Converter Frequency converter for asynchronous motor Frequency converter for CB radio FET frequency converter Charging Interrupter for Security Cell Phone Circuit breaker for car Current breaker on flashing LED Current breaker on LED Device Antison Device for online testing of windings Device for determining the electric field of the Earth Device for checking kinescopes Remote Control Tester IR remote control tester Zener Diode Tester Device for testing thyristors and triacs Tape speed setting device A handful of operational amplifiers as integrated IC UMZCH Receiving DRM signals on a conventional radio Receiver - remote control decoder RC-5 CW / SSB receiver on 80M and 40M bands Receiver range 40 meters on the chip MS3362 TV sound recording receiver Receiver for receiving AM/CW/SSB signals in the range of 3,5-22 MHz Receiver for receiving VHF radio stations and TV sound Remote control receiver Television sound receiver from 3-USCT modules TV sound receiver TV sound receiver TV sound receiver TV audio receiver TV sound receiver Receiver and transmitter on the 144 MHz band IR receiver and transmitter 144 MHz receiver on IC MC362 145 MHz receiver with smooth tuning Receiver for 160 and 80 M based on Selga 50 MHz receiver XNUMX meter receiver Receiver for the range 145-146 MHz Receiver for 160 meters 10m Direct Conversion Receiver 28 MHz Direct Conversion Receiver 40m Direct Conversion Receiver 7.0 - 7,12 MHz Direct Conversion Receiver SA612A Direct Conversion Receiver Direct Conversion Receiver on Digital ICs Direct Conversion Receiver with Cascode Mixer Direct Conversion Receiver with Single Supply Receiver direct amplification Direct Gain Receiver on KB Direct gain receiver on TDA7050 Direct gain receiver on two UZCH chips Direct amplification receiver on a single chip FET Direct Amplification Receiver Direct Gain Receiver with Transistor Detector Robinson receiver TV signal receiver TV receiver Yunost receiver - cable finder Headphone Receiver Sony SRF-H3 receiver Receiving paths of amateur AM MW radio stations Receiving path Hi-Fi VHF tuner Receiving path for a small-sized MW radio station Receiving path for radio control Receiving path for CB radio Receiving path for radio control system Receiving path of a pocket MW radio station Receiving path of an amateur CB radio station Receiving path of a small-sized CB radio station on КА8513В Receiving path of a miniature radio station Receive path at 27 MHz Receive path at 27 MHz with double frequency conversion Receive path at 27,14 MHz with double frequency conversion on SA Receiving path on SA612AN Receive path on MC3361 with double frequency conversion Receiving path for the MW band Receiving path on TA2003 Receiving path at a frequency of 27,12 MHz Receiving path of a single-channel MW radio station Receiving path of a traveling CB radio station Receiving path of a simple VHF-FM radio station Receiving path of a simple FM-MW radio station Receiving path of the radio intercom Receiving path of radio signaling Receiving path of radio control Receiving path of CB-FM radio station Receiving path of the SV-FM radio station on K174XA10 Receiving path of the MW-band MW receiver path with smooth local oscillator Receiving path of the MW radio station The receiving path of the CB radio station on accessible parts Receiving path of the CB radio station on K174XA42A Receiving path of the radio control system VHF FM receiving path with high IF Narrowband FM receiving paths on ICs BA4116FV and CXA1493 Application of DMS-200D sensors for telephone line protection The use of a microcontroller in a switching power supply Application of AUREL TX FM AUDIO and RX FM AUDIO microassemblies The use of polycomparator microcircuits in level sensors The use of popular integral stabilizers Printers - what to choose? Schematic diagram of the Technics SL-PG100 CD player Prefix - stereo decoder Hold prefix to phone Prefix for setting contours Prefix to the multimeter - capacitor ESR meter Attachment to the multimeter - probe for measuring the ESR of electrolytic capacitors Attachment to the multimeter for measuring low RF voltage Attachment to the multimeter for measuring small capacities Attachment to the Nevsky-402 receiver for receiving DRM stations Cell phone attachment for security Flashing Light Sample car mechanic Probe for finding radio bugs Capacitor ESR Probe Probe for testing quartz resonators Probe for testing ceramic capacitors Probe for testing the remote control Probe for testing transistors Shielded Cable Probe Probe for remote controls Transistor probe Radiomaster probe Zener probe LF probe generator Probes - generators Checking for quartz resonators Checking for the remote control Checking low power transmitters Remote control check Checking Zener Diodes Checking high voltage transistors Wired CDS for Horizon Wired CDS for 12 teams Wired TV remote control system 3-4-USCT Wire antennas for the 144 MHz band Programmer for PIC microcontrollers and EEPROM memory MP9012 PROM programmer PIC controller programmer Programming cartridge chips for Xerox and Samsung printers Programmable time relay Programmable all-terrain vehicle - toy Programmable Laser Imager Programmable traffic light layout Program radio station We continue to upgrade old black and white TVs Continuity for transistors and diodes Cable continuity with a multimeter Recycled record player Simple 20-watt speaker system Simple car alarm Simple active speaker system Simple AM radio Simple two tone siren Simple home alarm A simple single channel CB radio Simple burglar alarm A simple short range radio Simple 11m radio A simple walkie-talkie for close communication Simple MW radio Simple Amplitude Modulated MW Radio Simple alarm Simple alarm with IR control The simplest SDE The simplest security device for a summer residence or a country house The simplest anti-theft device The simplest anti-theft blockers The simplest code lock The simplest five-band equalizer The simplest lamp dimmer The simplest repeater of infrared signals A simple robot - pultophile Simple automatic charger Simple car security device Simple charger for NiMH batteries Simple intercom Simple time relay Simple universal security device A simple device for viewing the contents of the AT89C2051 microcontroller ROM A simple device for protecting electrical equipment in case of accidents in the mains Simple Hi-Fi Stereo Amplifier Simple Hi-Fi UMZCH Simple SDR receiver Simple automatic day/night Simple car alarm Simple answering machine Simple car attendant Simple car guard with a two-tone siren Simple AM receiver Simple AM receiving path of a MW radio station Simple AM-FM receiver Simple Audio Spectrum Analyzer Simple control unit for daytime running lights Simple video intercom Simple all-wave VHF-FM radio receiver Simple night light switch A simple receiver tuning generator A simple TV signal generator Simple disc combination lock Simple intercom (cottage option) Simple intercom for a private house Simple intercom for 10 apartments Simple capacitance meter Simple pulse oscilloscope Simple car door indicator Simple intensity indicator for setting up transmitters A simple radiation indicator Simple Integrated Hi-Fi Amplifier Simple Integrated Stereo Amplifier A simple high voltage source Simple HF Converter Simple HF radio Simple ignition switch A simple ignition switch for a classic car Simple converter 144/27 MHz Simple shortwave receiver Simple shortwave transceiver Simple laboratory bipolar source Simple laboratory source Simple laboratory power supply Simple tube stereo amplifier Simple tube UMZCH A simple melodious call for an old phone Simple musical instrument on K561LA7 A simple low-frequency frequency counter on AT89S2051 Simple low-frequency millivoltmeter Simple LF counter Simple flyback voltage converter Simple half-bridge voltage converter Simple converter =12/220V Simple receiver at 160M Simple receiver for 80 meters Simple Observer Receiver Simple direct conversion receiver at 28 MHz Simple 2-V-2 Direct Amplification Receiver with Three Transistors Simple direct amplification receiver on KR174UN23 Simple receiving path for radio control Simple PROM Programmer Simple radio path for the 27 MHz band A simple radio path of a radio control or radio signaling system Simple light-acoustic switch Simple communication receiver A simple refrigerator alarm Simple stereo amplifier A simple stereo amplifier for an IBM computer A simple stereo amplifier for an audio player Simple counter of moving objects Simple rev counter simple timer Simple timer on two Miracles Simple timer from two to fifteen minutes simple phone Simple thermometer with sensor on DS18B20 simple thermostat Simple 160m transceiver Simple VHF FM receiver Simple VHF FM receiver on TA2003R Simple UMZCH Simple UMZCH on transistors and op-amps Simple Universal Converter Simple ULF Simple Playback Amplifier A simple amplifier for an MP3 player A simple amplifier for dubbing records into audio files Simple amplifier with equalizer Simple frequency counter Simple 145 MHz Antennas Simple MW Antennas simple garlands Simple TV signal splitters Simple MOSFET Amplifiers Mosquito defense Bell fire protection fireproof for iron Anti-theft car alarm Anti-theft lock Anti-theft alarm for motorcycle Anti-theft device Anti-theft alarm Anti-theft blocker Pass counter Pseudo-stereo prefix Pseudo stereo set-top box Pseudo stereophonic device Pseudo TV Heart rate monitor Remote control for signaling on UM3750 chips The remote control opens the gate The remote control controls the tractor model Remote control and decoder for car alarms Starting a car engine at -35°C Starter for Chinese recorder Starting device A guide to flashers IF path with narrowband FM Five-channel light music Five-channel DMU Five-channel stereo mixer Five-channel counter + electronic clock Five-lamp stereo UMZCH Five band equalizer Five-threshold current indicator Five level shock sensor Five circuits on one transistor The operation of a car alarm with two signals Working with a 36-modem in the zone of uncertain reception Working with used radio components radio adapter for recording radio adapter for radio Radio alarm clock - timer Sony-ICF-C470 radio alarm clock Broadcast receiver on a communication chip Broadcast receiver on television chips Radio channel for radio signaling Radio channel for radio control with two-tone coding Radio channel for radio control reference Radio channel of the telecontrol system radio key Radiola Iolanta Radiola Record-311 Radiola Rigonda-M Radiola Serenade-405 Amateur radio oscilloscope Amateur radio frequency counter Radio microphone Radio microphone - marker Radio microphone - radio beacon Krona-powered radio microphone Radio microphone with alarm Baby monitor and radio adapter Radio pager for signaling radio intercom radio intercom radio transmitter Data radio transmitter on IC MAX1472 Radio transmitter for MP-3 player Radio receiver ABAVA RP-8330 Sony radio receiver - SRF-PSY03 Data radio receiver on IC MAX1473 144 MHz radio receiver Radio receiver on two transistors Radio receiver based on an indicator chip Radio receiver with five transistors Radio receiver on a digital chip Radio receiver with field effect transistor at the input Radio receiver Tourist-315 Radio prefix for the car Radio prefix to the alarm system Radio communication using ready-made modules Radio signaling device Impromptu radio signaling Radio station Astra-1-FM-SV Radio station Astra-4SV 27 MHz radio station Dulkyn radio station EL-FM27CB radio station Radio station Kolibri-27FM Radio station Moskit-FM-1 Radio station Rybak-27 Radio station with FM for the MW band Radio Snegir-SV-AM The radio controls the load Radio station Chizhik-SV-AM Radiotelephone interface Radiotelephone encoder Radio point - apartment call Radio path for data transmission Radio path for radio control Radio path for signaling Headphone radio extension Radio control of the lunar rover model Self-powered RF security device RF modulator Aiwa FR-A160 clock radio Radio school. Digital ICs Radio cable for computer sound card Loop cord antennas Calculation of Butterworth crossover filters Extended functions of the MP9012 PIC programmer TV receiver video input expander Regenerative VHF-FM receiver Motor control with a frequency counter Adjusting the brightness of the LED clock display Regulated Power Supply for Automotive Electrical Repair Adjustable stabilizer +25+200V Adjustable stabilizer on IC KR142EN5A The regulator for the engine cooling fan VAZ Furnace fan controller Soldering iron regulator Power regulator for water heater Power regulator for low voltage soldering irons Power controller for soldering iron Power regulator for Polaris FET power regulator Power regulator on trinistors KU221 Low Voltage Load Power Regulator Soldering iron power regulator on KR1182PM1 DC Power Regulator Instantaneous water heater power controller Regulator for three engines Voltage regulator for halogen lamps with memory Voltage and current regulator Portable Headlight Controller Tone control Water temperature controller Soldering iron temperature controller Current regulator through the fan DC motor speed controller Powerful motor speed controller Table lamp dimmer Dimmer for a network with unstable voltage Brightness control on the LS7534 chip Portable headlight dimmer Suspended ceiling dimmer Sleep mode in remote control-2 Backup surrogate HF antenna Resonant LF detector Time relay Time relay for soldering iron Time relay for brake lights Time relay for thousands of applications Time relay on K547KP1 Brake light relay for car Laptop battery repair Repair of AON Rus-20 Repair of power supplies (chargers) of laptops Repair of quartz watches Chinese handset repair Hyundai HDP-920 Printer Repair Handset repair Repair of electromechanical clocks for a VAZ car Repair module UMZCH Repair module UMZCH on K174UN27 IR Control Repeater Retro power supply Voice annunciator Robot - beetle with laser control Robot Moth Robot bug without brains Beetle robot on rigid logic RT8A201 - AM radio path chip for radio control systems Mercury thermometers in thermostats Russian version of Affairis Walkie talkie Hand programmer PROM handheld programmer Manual up/down counter subwoofer for mini audio center Homemade telegraph Homemade telephone set Self-adjusting IR sensor The most basic computer user courses The safest switch The most common stereo amplifier The simplest switch Sparkling Asterisk Sparkling Christmas decorations sparkling crystals Brilliant Crystal Super Regenerative 27 MHz Radio Super Regenerative VHF FM Receiver Super-regenerator on a low-frequency microcircuit Super bright digital indicator Sverchok-ChM-27SV Staircase lamp Lamp with auto-off fireflies in the garden Exhaust fan light control Light machine Pulsating line Cell phone ringer light doubler Call indicator light Light dynamic installation Light dynamic installation on ROM Light-dynamic installation on a dial indicator LED bicycle headlight LED festoon LED Star LED lamp Auto electrician LED lamp LED parking alarm LED Arrow Pointer LED color music LED scale for electronically tuned receiver LED scale for radio receiver LED lamp LED photo relay LED lights LED Christmas decorations Ultra-low voltage LED emitters LED indicators LED indicators GNQ-5641Ax(8x) Overcurrent LEDs LED level meters LB1403N, LB1413N, LB1423N, LB1433N LED voltmeter 10,25-15V LED halogen lamp LED GIR LED indicator Running arrow Power on LED indicator with surge protector LED indicator of mains current 220V Level LED LED signal strength indicator on KIA6966S LED signal level indicator on RS flip-flops LED Cube 8x8x8 LED cube for Arduino nano LED night light LED dog collar LED spotlight - signaling device LED seven-segment indicator LED brake light LED brake light on LM3914 LED flashlight High brightness LEDs Light and music prefix Light and music installation Musical machine billboard dimmer Light controlled timer Traffic light for a garage cooperative or parking lot Photosensitive keychain Luminous indicator Column on comparators MW transmitter MW receiving path with parametric frequency setting MW radio SW radio station MW radio station - all-wave VHF receiver MW radio - 145 MHz receiver MW radio station MEGAJET-MJ-400 (principle diagram) CB radio in radio control system CB radio station on K174XA42A SV-radio station on replaceable resonators SV-radio station Pilot-202T CB radio with individual call SW radio station Tais-VT31V MW-FM radio station with musical call MW-FM radio station with tone call Microwave attachment to the frequency meter Medium power microwave transistors 80m communication receiver Communication receiver on K174XA2 Dual voltage regulator on PIC16F876 SDU Z-USCT controls the electrical appliance CDS manages loads SDU-15 controls a stereo amplifier Stopwatch on imported microcircuits Stopwatch on CD4553B, CD4511B and CD4060B chips TV input selector Input selector for AF amplifier Input selector with volume control Seven-digit combination lock Seven-command telecontrol system Sensory talking toy Touch acoustic switch Sensor switch Touch switch on KR1182PM1 Touch light switch Touch light switch with timer Touch bell Touch power control Touch-sensitive dimmer with switch-on lock Touch controller with gentle start Service menu of the Horizont-CTV730 TV Service adjustments for EVGO ET-2190A TV Network forget-me-not Mains supply of a quartz alarm clock Mains power supply for cordless power tools Mains power supply for multimeter Mains power supply of the multimeter Mains filter with full galvanic isolation from the mains AC power supplies Signaling device - turn off the headlights Signaling device - turn off the headlights Warning device - Turn off the headlights! Alarm - hang up Warning light - fasten your seat belts Signaling device - fasten your seat belts! Headlight warning light Turn off your turn signals! Parking lights signaling device Ice warning device Reversing signaling device car alarm Signaling device for Geyser Signaling device for Zhiguli Premise alarm Alarm for the hearing impaired Refrigerator alarm Reverse warning light Signaling device Reverse Alarm Close refrigerator Board voltage signaling device Warning device needs watering or flooding has occurred Road glacier alarm Power outage signaling device Entrance door alarm Door open signal Open refrigerator alarm Refrigerator open door alarm Refrigerator door open alarm Electrical outlet overheating alarm turn signal Signaling device for exceeding the frequency of rotation of the crankshaft of the engine and the speed of the vehicle Water leakage alarm Leak and dry alarm Radiation hazard signaling device Radioactivity alarm Noise alarm Refrigerator alarms Fuse blown alarms Car trailer alarm car alarm Room alarm Alarm system for office, warehouse Premises security alarm Room alarm Warehouse alarm Warehouse alarm Siren-based alarm Alarm on K561LA8 Alarm on K561LA9 Alarm on K561LE5 with a coded shutdown Cell phone based alarm Alarm on the counter K561IE11 Alarm network 220V Key selection alarm Alarm Hello Chinese Alarm Five Alarm with acoustic sensor Remote key alarm Push button alarm Code controlled alarm Phone call alarm Alarm with electronic key fob based on simple CMOS logic Car signaling device signal transmitter 27 MHz signal transmitter Signal light with LEDs Signal light beacon Direct conversion signal path Power transformers Triac switches High Power Triac Regulator Symmetrical multivibrator Symmetrical Power Amplifier Lanzar Illuminated blue bucket Synthesizer for CB radio station on K174XA42A Synthesizer for transceiver Voltage synthesizer MSN-405 in Z-USCT Voltage synthesizer for VHF tuner Frequency synthesizer for synchronous heterodyne receiver on a range of 13 m Sinusoidal RC generator Synchronous heterodyne receiver of VHF FM signals Synchronous heterodyne VHF radio receiver with frequency synthesizer Siren for car alarm Siren on K174UN14 Siren on four transistors Siren with telephone sound Video surveillance system from an old video player Stolen vehicle recovery system Remote control system Remote control system on TRC1300N Remote control system on two MK PIC16F630 IR remote control system Three Device Remote Control System Remote control system for electrical appliances Remote control system for USCT TVs Remote control system for sixteen teams Ignition system VAZ-08 on the classics Ignition system VAZ-08 at Moskvich Radio control system Radio control system with frequency coding Remote control system Closed loop remote control system Remote control system Interior lamp control system Three-column deaerator control system Fixed settings system Frequency coding system shining snowflake Scanning device for VHF-FM receiver Scanning receiver at 27 MHz Scrambler Hidden audio system Reversal of the counting direction of a binary counter CH-41 controls Hi-Fi amplifier Reducing the load on the network during electric heating Reduction of network peak load Let's assemble the computer ourselves Modern technology for the manufacture of the case and front panel of the device Matched broadband amplifier MW radio matching device We create a basic radio circuit Solar battery Sleep timer in remote control-2 Cellular security - nowhere easier Cellular security for the garage Cellular security system SOS Honeycomb watering for flowers Cellular alarm on K561KT3 Cell phone - radio microphone Taxi driver lifeguard Satellite receiver GLOBO 5000 (schematic diagram) Satellite receiver ORTON (GLOBO) X80 (schematic diagram) Comparative parameters of imported triacs Medium Wave Direct Gain Receiver Key picker Table lamp stabilizer player stabilizer Laboratory Power Supply Stabilizer Optocoupler Voltage Stabilizer Low Current Voltage Stabilizer Mains voltage stabilizer Power stabilizer integrated UMZCH Stabilizer with digital voltage setting Stabilizers on chips AMS1117-xx Voltage stabilizers on LM2931AZ-3.3 Voltage stabilizers on the IC L88MS33T Voltage stabilizers on the 78R12 chip Stabilization of the generator frequency using a frequency meter Stabilized power supply Stabilized DC motor speed controller Stabilizer for charger zener diodes Stable photocell Stable car attendant Stable generator 1 Hz Stable local oscillator at 27 MHz Stationary car single-channel CB radio station Stereo - in a pocket VHF-FM receiver stereo decoder Stereo Panasonic-RX-FT570 Stereo Sharp WQ-294 HT Stereo microphone with combined power supply stereo modulator stereo transmitter FM stereo receiver Stereo receiver for radio Stereo radio control system Stereo-UMZCH powered by an electronic transformer Stereo amplifier in a four-channel audio system Weekend Stereo Amplifier Stereo amplifier for MP-3 or DVD Stereo amplifier for MP-3 player Stereo power amplifier 3H on LM4752 Stereo amplifier based on AN7147 with overload indicator Stereo amplifier on SV13102B Stereo amplifier on TDA1521 with overload indicator Stereo amplifier on microcircuits from the TV USB powered stereo amplifier Stereo amplifier powered by an electronic transformer Stereo FM receiver Stereo VHF-FM receiver Stereo amplifier Vega-10U-120S ... Stereo power amplifier based on TA7250 chips Stethoscope Stop sign rising line Watchdog based on IR switch Sentry device based on block siren Self powered watchdog watchdog timer Parking alarm parking lights parking signal Pointer capacitor capacitance meter Pointer voltage and resistance meter Construction metal detector Twilight switch Twilight switch on the comparator Twilight switch on the microcontroller Superheterodyne Spark Superheterodyne receiver Superheterodyne receiver for 40 meters Daily generator Daily timer Daily timer on quartz alarm clocks Radio amateur daily timer CXA2513M - three-band push button equalizer APCG scheme in the receiving path on the IC MC3371 / MC3372 Diagram of remote control of household appliances Scheme for controlling an additional brake light Radio control scheme Schematic TV Sony KV-HA14L80 / P50 Diagram of the IF path of a simple HF transceiver Electric gate control scheme Backup generator control scheme Alarm control scheme Electric fan control circuit Diagram of a black and white TV KANSAI-VT480 Schematics on AN6884 Schematics on CD4060B Schematics for K561LA7 Schematics for K561LN2 Schemes of power supplies for ATX personal computers Schemes of local oscillators and ULF of a simple HF transceiver Schemes of electronic ballasts for energy-saving lamps Quad op amps Counter - operating time indicator Visitor counter Counter for manual winder Tape counter for video player Minute counter Call duration counter Phone call counter Frequency meter - electronic abacus Stop board for Svyatogor Timer Timer - switch for telephone set Timer - soldering iron switch Timer - light switch 8 hallways Timer 1...31 hours Switch off timer Parking lights off timer TV off timer Lamp off timer Appliance off timer Bathroom fan timer Timer for video player Timer for turning off a powerful load Timer to turn off the radio Timer to delay turning on the refrigerator Charger timer Timer for backup battery charger Kitchen timer Sleep timer Timer for heated car mirrors Timer for lighting Soldering iron timer Soldering iron or light fixture timer Timer for periodic switching on of the load Timer for periodically switching on an electrical appliance Timer for periodic load off Antenna Rotation Timer Timer for intermittent duty Roller timer Timer for mains supply Timer for the circulation pump in the heating system Exposure timer Timer for electric heater ruler timer MP350 timer in an automated irrigation system for a summer cottage Timer on Miracle - nowhere easier Timer on KR1005VI1 Timer on RAM K176RU2 Timer based on CD4521 Equipment Access Restriction Timer Load Off Timer Timer with auto-off Timer with automatic power off Countdown timer Timer with audible alarm Timer with buzzer Light control timer Electric fan control timer Timer that restricts access to equipment Timer switch Timer-switch of the generating set Timer for electronic clock Timer device for recording TV programs Flashing LED timers Timers on MCS-51 and AVR microcontrollers Tachometer for car Tachometer for any gasoline engine Tachometer on three microcircuits TV alarm clock TV MW antenna Television antenna amplifiers of the UHF range TV standards TV antenna amplifier TV radio TV Aiwa C1400 (KY, EZ, KHY) TV Aiwa TV-A145, A205 TV Aiwa TV-C141 TV Aiwa TV-C142 TV Aiwa TV-C148, -C208 TV Daewoo DTA-20 Т1/N2/T3, DTA-21 T1/T2/T5/Y1 (СР-385) TV Daewoo on chassis CM-907/F Daewoo TV on CP-485/WP-895 chassis Daewoo TV on CP-830F chassis TV DAEWOO on the chassis CM-905 (schematic diagram) TV Daewoo on chassis СР-002 TV Elenberg CTV-1570 (schematic diagram) TV ERISSON-2106 TV Funai TV-2010HC TV Funai TV-2100 A MK 10 TV Funai-TV-2100A MK 10 TV Goldstar CF-14/20/21 B70Y (platform MC-41A) JVC AV-14A TV TV JVC-AV14J8 (M8) LG RT-21FB70RN TV on MS-019A chassis TV Orion T2190MJ TV Otake VT2002 MK9 (1402 MK9, 2102 MK 9) TV OTAKE VT-2002MK9 TV POLAR 37CTV-4418 (schematic diagram) TV Rolsen С2120/1420 TV Samsung CK3362ATR platform P68SA1 TV SAMSUNG CZ21113N5XXEH chassis KS9B (schematic diagram) TV Samsung CK2173 TV Samsung CK2173 (service menu) SITRONICS STV-1421 TV (M28 chassis) TV SONY-KV-21LT1B, 1E, 1U, KV-21FT2K (Chassis FE-2A) circuit diagram part 1 TV SONY-KV-21LT1B, 1E, 1U, KV-21FT2K (Chassis FE-2A) circuit diagram part 2 TV SONY-KV-HA21M83A TV Toshiba 1450S/2050S Toshiba 2162TR TV TV Toshiba Chassis S1E TV Toshiba chassis S3E. circuit diagram TV VESTEL/SEG-7951 TV Horizon 54-CTV-660 TV Horizon 54-CTV-670 TV Horizon 54CTV-676 TV ONYKS 54ТЦ12-15 (PF1218/FS2198 chassis) TV Onyx-37ТЦ12-12 (principle diagram) TV Rainbow TV-54TW6221 (principle diagram) TV Sokol 54/51ТЦ7162 (chassis М2021) TV Temp-3 Rolsen TVs C2131, C2133, C2150, C21R92, C2195 Samsung TV chassis KS1A Toshiba TVs (1450XS/2050XS) TVs based on the TDA8362, TDA8395, TDA4661 (TDA4665) chipset TVs Rubin 37/51/54M10 Telegraph heterodyne TV tuner Telefax - printer and scanner The phone is under lock and key! The phone turns on the night light Telephone communications telephone alarm Handset telephone security device Panaphone telephones Telephone set Telephone set Vega - the caretaker of the apartment Telephone set on KR1008VZh4 and KR1008VZh5 chips phone bug Telephone informant telling the time Phone key for intercom Telephone module for broadcast receiver telephone tester Telephone amplifier for CD-ROM Fridge bodyguard Temperature measuring attachment Temperature adapter for the frequency meter Theremin Thermal switch for car cooling fan Thermal sensor National Semiconductor Thermometer inside-outside Refrigerator thermometer Temperature controller Water boiler thermostat Thermostat for aquarium Temperature regulator for an incubator on comparators K554SA3 Thermostat for infrared heater Temperature controller for vegetable storage Thermostat for electric heater Temperature controller and twilight switch on logic elements Thermal relay on K157UD1 Thermal relay on K174UN7 Heat stabilizer High precision heat stabilizer Thermostat Aquarium thermostat Incubator thermostat Thermostat for an old refrigerator Thermostat for greenhouse Thermostat for KR142EN19A Thermostat with thermometer LED test Quartz resonator tester Thyristor autoguard Thyristor combination lock Thyristor switch of three garlands Thyristor regulator with voltage stabilization Thyristors Tone Decoder LM567 Toroidal welding transformer from available parts LF path of direct conversion receiver with AGC at low frequency HF Transceiver IF Path IF path of HF transceiver with single frequency conversion IF path of a shortwave transceiver The IF-LF path of the HF receiver or the receiving part of the transceiver IF-LF path of a shortwave SSB transceiver IF-LF path of a shortwave transceiver IF-LF path of the communication receiver Transistor ignition system Transistor ignition system for the classics Siemens transistor optocouplers Transistor AM/SSB receiver 160 meters Transistor Hi-Fi Stereo Amplifier Transistor switch for contact ignition Transistor tube voltmeter Transistor tape recorder Yauza-20 Transistor transmitter for small CB radio Transistor receiver Atmosphere Transistor receiver Vega-402 Transistor receiver VEF-Speedola Transistor receiver Ocean Transistor receiver Ural-301 Transistor probe Transistor LED Bar Indicator Transistor TV Yunost Transistor path of the IF of the connected HF receiver Transistor carbon microphone transistor amplifier Transistor playback amplifier Transistor amplifier for playing audio from a CD drive or CD player Transistor amplifier stage Transistor bar LED indicator Transformer - single-phase/three-phase Transformer VT450 - power supply for automotive equipment amplifier transformer Transformer power supply for magnetic frames Transformers on transmission lines in amateur radio practice TVK transformers Transformers TC... Tri-band HF receiver Tri-band direct conversion shortwave receiver XNUMX-channel AM MW radio station Three-channel CB-radio station with a receiving path on LA1600 Three channel MW radio XNUMX channel AM MW radio Three-channel MW radio station with a receiving path on the IC KA8513 Three-channel remote control system Three-channel autoguard Three-channel power regulator with PWM modulation Three-channel stereo amplifier for two-channel IC Three-channel ULF Three-channel car radio amplifier Three-channel amplifier for car audio system XNUMXD oscilloscope Three way crossover Three digit FYT LED indicators Three tone siren Three-tone siren on one chip Tri-transistor DRM receiver Three-level water level indicator in the tank Three-phase electronic relay with protection Three-phase signal for car watchman Three power supplies with switching regulators Three designs on the photodiode FD-320 Three simple UMZCH Three five-minute home phone designs Three schemes of household machines on CD4060B Three schemes for a flashlight Three circuits on a composite transistor Three devices on the KR1182PM1 chip Three electronic switches Schmitt triggers as RS flip-flops Thirteen-command telecontrol system Triode thyristors Tuner SONY-ST-TX7880/MS717 Increasing counter inputs in circuits on the CD4060 Increasing the range of a pocket VHF radio station Increasing the power of a simple HI-FI amplifier Remote control of 12 objects via 2 wires Remote control extension Greenhouse daylight extender Indication unit for IVL 2/7-5 Display unit on 155-series microcircuits Receiver setup unit on IC K174XA34 Radio tuning unit VHF-FM receiver tuning unit MW radio IF unit with parametric frequency setting Control unit for VHF FM receiver Low power lamp control unit Heavy Load Control Unit Pump control unit Water pumping control unit Triac control unit Electric fan control unit Fixed settings node for VHF FM receiver Fixed settings node for VHF-FM receiver Narrowband receiving path on KF1066XA2 Narrowband VHF-FM receiver at 144 MHz Narrowband FM receiving path on K174XA42 UZCH for IBM UZCH for car radio UZCH for playing a recording UZCH and speaker system in the monitor Humidity indicator VHF local oscillator VHF band in MW-LW receiver VHF prefix to CB radio station VHF HF radio station VHF FM receiver on a chip VHF FM receiver on one transistor VHF FM receiver with high IF VHF FM receiver with low voltage power supply VHF FM alarm receiver VHF FM receiving module on K174XA34 VHF FM radio transmitter VHF FM radio VHF FM radio receiving path VHF FM tuner VHF-FM car radio VHF band in an old AM transistor receiver VHF transmitter for phone VHF transmitter for broadcasting an audio signal over a short distance VHF receiver for kitchen VHF receiver Retro VHF receiver Yunost VHF radio intercom VHF radio station - radio control system VHF radio MIDLAND-G11 VHF radio MIDLAND-G7 VHF radio MIDLAND-G9 VHF radio MIDLAND-GTX650RS VHF radio SOONTONE ST-518 circuit diagram) Electrician's VHF radio VHF radio control system for household appliances VHF-FM band in the old VEF VHF-FM low power radio transmitter VHF-FM transmitter VHF-FM receiver from an old TV VHF-FM receiver based on an FM tuner (VHF unit) VHF-FM receiver on imported microcircuits VHF-FM receiver on Samsung chips VHF-FM receiver on domestic microcircuits VHF-FM receiver on SHA1619M VHF FM receiver Retro VHF-FM receiver with push-button control VHF-FM radio microphone powered by mains adapter VHF-FM radio microphones VHF-FM radio station VHF-FM radio station VHF-FM stereo receiver Outdoor electronic clock Improving TV audio quality Improving TV sound quality Improvement of SDU-15 Improved disk combination lock Improved tube engine heater bass enhancer ultrasonic dog whistle UMZCH 2? 40W on TDA2051 UMZCH D-class 2x20 W for a budget multimedia player UMZCH power 100W UMZCH with a power of 25 W on four transistors UMZCH on TDA2005 UMZCH on two transistors UMZCH on octal pentodes UMZCH on op amps and transistors smart toys smart switch Universal Antenna Universal Breadboard Universal alarm Universal alarm system for K561TM2 Universal remote control system Universal security device Universal security device on a microcontroller Universal time relay Universal time relay on field-effect transistors Universal photorelay on field-effect transistors Universal automatic gardener - amateur Universal lighting effects machine Universal adapter for powering the player Universal acoustic light switch Universal power supply for TV equipment repair Universal control unit for polyphase motors Universal intercom Universal sound block Universal IR sensor Universal laboratory power supply Universal logic probe Universal melodic bell Universal remote control module Universal stereo-UMZCH module Universal Pre ULF Universal voltage converter Universal device Universal daily timer Universal timer Universal charger timer Universal alarm clock Universal thermostat with thermometer Universal thermostat Universal VHF Converter Universal amplifier for MP-3 player Universal Amplifier Module Universal frequency counter ULF for audio center ULF on three microcircuits ULF with electronic volume control Packing machine on PIC16F873 Control of a 4-lamp chandelier by standard wiring Car signal management Fan control for ventilation ducts Chandelier control by two wires Chandelier control with remote control Control of a multi-lamp luminaire via two wires Computer Peripheral Power Management Management of a hidden video surveillance system Master oscillator frequency control Control of the luggage compartment electric lock VAZ-2111 controlled stabilizer Simplified version of a synchronous heterodyne receiver Simplified Bridge Rectifier Calculation Simplified voltage regulator calculation IF with low voltage supply Telemaster lessons. Lesson #01 Telemaster lessons. Lesson #02 Telemaster lessons. Lesson #03 Telemaster lessons. Lesson #04 Telemaster lessons. Lesson #05 Telemaster lessons. Lesson #06 Telemaster lessons. Lesson #07 Telemaster lessons. Lesson #08 Telemaster lessons. Lesson #09 Telemaster lessons. Lesson #10 Telemaster lessons. Lesson #11 Telemaster lessons. Lesson #12 Telemaster lessons. Lesson #13 Telemaster lessons. Lesson #14 Telemaster lessons. Lesson #15 Telemaster lessons. Lesson #16 Telemaster lessons. Lesson #17 Telemaster lessons. Lesson #18 Telemaster lessons. Lesson #19 Telemaster lessons. Lesson #20 Telemaster lessons. Lesson #21 Telemaster lessons. Lesson #22 Telemaster lessons. Lesson #23 Telemaster lessons. Lesson #24 Telemaster lessons. Lesson #25 Telemaster lessons. Lesson #26 Telemaster lessons. Lesson #27 Telemaster lessons. Lesson #28 Telemaster lessons. Lesson #29 Telemaster lessons. Lesson #30 Telemaster lessons. Lesson #31 Telemaster lessons. Lesson #32 Telemaster lessons. Lesson #33 Telemaster lessons. Lesson #34 Telemaster lessons. Lesson #35 Telemaster lessons. Lesson #36 Telemaster lessons. Lesson #37 Telemaster lessons. Lesson #38 Telemaster lessons. Lesson #39 Telemaster lessons. Lesson #40 D-Class Power Amplifiers Amplifiers on TDA2005 Amplifier 34 VITEK VT-4022-32 (circuit diagram) D-class based amplifier playback amplifier Car cassette player playback amplifier Playback amplifier for high quality cassette recorder Playback amplifier for cassette deck Repair Playback Amplifier Playback Amplifier for Car Radio Repair QRP Transceiver High Frequency Amplifier DVD amplifier DVD amplifier with push-button tone control Amplifier for DVD player Amplifier for FM modulator Amplifier for active speaker system Amplifier for active speakers Amplifier for audio complex Home theater amplifier BBK-FSA-1806 Home theater amplifier BBK-SP550S (diagram) Amplifier for recording records on CD Amplifier for copying vinyl records to CD Amplifier for magnetic pickup Amplifier for magnetic pickup Amplifier for tape recorder Amplifier for upgrading an inexpensive car radio Amplifier for recording records on CD Amplifier for listening to CD Radio microphone amplifier Amplifier for resuscitation of an old player Amplifier for repairing Chinese car radios Rock Band Amplifier handset amplifier Amplifier for ultrasonic radar Recording amplifier for Chinese tape recorder Recording amplifier for radio AF amplifier for CD-ROM Power amplifier 4?25W Power amplifier 4?35W QRP Transceiver Power Amplifier Power Amplifier for DVD Player Audio Player Power Amplifier Power amplifier for pocket radio 430 MHz Pocket Radio Power Amplifier Power amplifier for HF transceiver Power Amplifier for MP-3 Flash Player Power amplifier for homemade audio center Power amplifier for MW radio station Power amplifier for MW radio station Power amplifier for VHF-FM repeater AF power amplifier Power amplifier AF 2x40W AF power amplifier on the LM1875 chip Power amplifier on TDA2030A Power amplifier on TDA2051 Power amplifier for 144 MHz band Power amplifier on the LM3876 chip Power amplifier on a chip TDA7293 (7294) Power amplifier on the chip TDA7294 Power amplifier on the OPA541 chip Power amplifier based on field-effect transistors Transistor Power Amplifier USB Port Power Amplifier Amplifier on K174UN4A for a piezoelectric sound emitter light bulb amplifier Amplifier on a TTL chip Triode amplifier LF amplifier Bass amplifier for pocket MP-3 player LF channel amplifier SONY-XM-1600GSD RF amplifier for shortwave range cell phone signal booster Cell phone or pager signal booster Economy Amplifier for Home Audio Center Class D amplifier Amplifier module for car Improvement of the sensor for turning on the electric towel Improvement of the two-tone siren Improvement of the transistor relaxation oscillator Improvement of the VHF receiver on the IC 7088 Advanced remote switch Improved musical home bell Advanced anti-theft blocker Installing a CD drive in old hardware Stable crystal oscillator Elimination of diesel ignition in VAZ engines Elimination of false positives of the inertial sensor Water heater emergency shutdown device Wireless audio switching device Phone call blocking device Two-wire multi-channel load control device Remote modem shutdown device IR remote control device Device for watering house plants Device for obtaining silver water Device for testing high voltage varistors Device for discharging high voltage capacitors Bass booster Device for accelerated cooling and drying of vegetable stores Lighting off delay device Power overvoltage protection device Electricity consumer protection device Light aiming device Audio disconnect device Multi Load Sequencing Device Ultrasonic cleaning device Fan controller for humidity sensor Siren control device TV channel selector control device Electric fan control device USU-1-15 - lighting lamp switch Phase power regulator - time relay on KR1182PM1 Phase power regulator for incandescent lamps for operation in low voltage networks Phase power regulator on a key field-effect transistor Phase power regulator on substandard triacs Phase power regulator on high-current trinistors Phase meter filters Background LED lighting for chandelier Rectangular Pulse Shaper Code sequence generator Low frequency channel shaper Stereo Signal Conditioner photo switch Light photo switch Photo switch with digital light control Motion photo sensor Showcase photosensor photorelay Photorelay for lighting control Photorelay from the mouse Photo relay from a photo sensor from a ball computer mouse Photorelay on K174UN7 Photorelay on the K155LA18 chip Photorelay on the chip KR142EN12 Photorelay on trinistor MCR100-6 Photorelay with dual mouse sensor Photorelay with Schmitt trigger Photorelay Firefly function generator HOLD function in conventional TA HOLD function in the telephone set Chaotic Time Indicator Chaotic three-color LED indicator Characteristics of TV standards Tricky button for LINUX microcomputer good music call Color TV EVGO ET-2190A (schematic diagram) Color TV Philips CTV 21-2 Color TV Sony-TRINITRON-KV21VX1MT RM-646 (VX chassis) Color TV Toshiba 2162TR Color TV Vityaz (54ТЦ6013-1…54ТЦ6054-2) Color television standards of the world Color music Color music with acoustic input Color music prefix Digital car alarm Digital alarm with siren output Digital radio control system with frequency coding Digital part of radio signaling Digital scale AM-FM receiver Digital scale generator AF HF transceiver digital scale Digital scale of a shortwave broadcast receiver VHF-FM receiver digital tuning scale Broadcast receiver digital scale Digital car security device Digital control chip KR1182PM1 Digital USB thermometer MP707R with thermostat function, internet monitoring and external load control Digital autoguard Digital autoguard on two microcircuits Digital autotachometer Auto electrician digital voltmeter Digital voltmeter for power supply Digital voltmeter on IC series K176 digital generator Digital lock with key connector Digital capacitance and inductance meter Digital battery voltage meter Digital level indicator Digital LF signal level indicator digital megaphone Digital multivibrator digital transmitter High Power Digital Transmitter Chandelier digital switch False ceiling digital switch Chandelier lamp digital switch Digital volume control Digital Stereo Low Frequency Amplifier Digital timer Digital timer from an electronic watch Digital timer for 16 minutes Digital timer with quartz stabilization Digital tachometer Digital tachometer for any car Digital thermometer / thermostat with adjustable hysteresis from -55°С to +125°С MP8037R Digital thermometer on TS74 Digital temperature stabilizer for water in a vessel Digital thermostat Digital radio tuner Digital tuning unit for VHF-FM radio receiver Digital bar graph for voltage Digital electronic thermometer on a microcontroller Digital indicators for laboratory power supply TTL digital chips Audio Power Amplifier Digital Controls Digital clock - wall display Digital clock on imported microcircuits Digital clock on KR145IK1901 Digital clock on the same chips Digital clock with bright display Digital alarm clock Clock aquarium machine Hour security daily timer Hourly timer with quasi-sensor control Frequent malfunction of the UPCHZ-2M assembly Frequency distribution of TV channels Frequency meter - digital scale Frequency meter - digital scale of the HF receiver Frequency meter - direct conversion receiver scale Frequency counter 1...9999999 Hz on HCF4026BEY counters Frequency meter in a case from three-inch diskettes Frequency counter generator Frequency meter from multitester Frequency meter from the kit Frequency meter from the radio Frequency counter on IV-27M Frequency meter on K176 chips Frequency meter on K561 and K176 chips Frequency meter with manual start Frequency prefix to the multimeter DT-832 Frequency probe Clock - receiver with frequency synthesizer Sony-ICF-C793 (ICF-C793L) Clock on KR145IK1901 with indicators on LEDs Digital clock Alarm clock for КА1035ХЛ1 Alarm clock with calendar Alarm clock with luminous indicator Black and white TVs on video processors KA2915, AN5150/5151 Siesta black and white TV Russian-made black and white TV ORTA quarter wave resonator Four low power stereo amplifiers Four devices with ultra-bright LEDs Quad Band HF Receiver Quad-band transceiver with quartz stabilization Four-channel universal remote control system Four channel lighting control Four-channel audio mixer Four Channel Logic Analyzer Four command IR remote control system Four-command radio control system Four command control system Four command remote control Four-command radio control from ready-made modules Four-band tunable EQ Four Digit FYQ LED Indicators Four-stage switch with different control options FM transmitter at 27 MHz FM radio station FM receiver at 144 MHz FM receivers on TDA7088T FM radio station on the MW band What is a decibel? To keep the recorder from burning out Sensitive inertial sensor Sensitive HF receiver Sensitive metal detector Sensitive direct amplification radio receiver chess clock Chess clock made of two quartz alarm clocks Six-band direct conversion laboratory receiver Six-band direct conversion laboratory receiver with effective interference suppression Six-channel bar type indicator Hexadecimal decoder on one chip Hexadecimal indicator Sixteen teams on two wires Sixteen programs at W-USCT Six lamps on three wires Six timers on 8-bit microcontrollers Wide Band DRM Receiver Broadband TV Amplifier Broadband driver for frequency meter DTMF encoder for binary transmission Bar indicator on IC PCF1303T Stereo Bar Meter Spy stuff - radio microphones Probe-amplifier AF Economic switching of electromagnetic relays Economical LED indicators Economical ultrasonic frequency converter for MW radio station Economical power amplifier for Chinese tape recorder Economy light switches Electrical alarm for a car Electric combination locks Electroacupuncture stimulator Electric lock with alarm electric fence Electric jigsaw for foam plastic Electromagnetic relays Electromechanical mosquito trap electric musical instrument electric mousetrap Entrance door electronics Electronic bookmark Electronic star Auto electric lamp electronic magnifier Electronic coin Electronic coin-2 or electronic finder Electronic mousetrap Electronic babysitter Electronic seal Electronic roulette Electronic candle Electronic dog Electronic scale for radio receiver Electronic ignition Electronic equipment for toy car Electronic relay for an elderly refrigerator Electronic relay for an old refrigerator Electronic clock on ancient gas-discharge indicators Electronic alarm clock Electronic ballast for fluorescent lamps from the power supply of an old TV Electronic ballast for LDS on FAN7710N Electronic unit for washing machine Electronic alarm clock on KR1016VI1 Electronic light switch Electronic light switch Electronic radiator fan sensor Electronic Doorbell Electronic lock Electronic lock with flash key Electronic lock with flash key - 2 electronic cactus Electronic key Electronic key on CD4060B Electronic channel switch for two cassettes Electronic constructor Logic Electronic contactor Electronic corridor switch Electronic corridor switch Electronic layout of a traffic light Electronic Moth Electronic monitor for long burning furnace Electronic reminder Electronic valet Electronic switch for chandelier electronic parrot Electronic Warning Electronic fuse Electronic volume control on IC DS1868 Electronic witness of the robbery Electronic stethoscope with equalizer Electronic timer Digital Thermometer Electronic third wire for chandelier Electronic Duckling electronically Electric ignition for gas stove Electric player Vega-EP-111-Stereo Electric Candle, Electric Torch and Electric Kerosene Lantern SAMSUNG-RT40M Refrigerator Wiring Diagram (Schematic Diagram) Electrophone Accord Electrophone Vega-101-stereo Pain stimulator ethereal radio point
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