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FREE TECH LIBRARY
Below, in alphabetical order, are the titles of articles published in the journal. Radiomir from 2002 to 2013. To find out which issue of the magazine Radiomir published this or that article, use article archive search. 10 designs on transistors KP501A 100 steps to perfection 10 kW SMPS for concert amplifier 12 V out of 24 16-channel CDS and virtual simulator 200 W output MP-3-3 2-channel audio signal meter 3D TV 3 volt regulator 3-channel power regulator 3-lamp strobe 3-phase motor in a single-phase network 400 Hz generator for powering electric motors DID-0,5 4 step alarm 50 years in the ranks of UMZCH 5V SMPS 5-channel timer on MK ATMEL 7-channel CDS with LEDs 9 commands for controlling automation systems via two wires Arduino, Crumb and more ATLANTIC BIRD - American-European communication bridge BU2527 BU2708 BU2720 CD for vernier CD calculator. Making a calculator for amateur radio calculations using a CD Colgate Motion - active dust collector and tester 3G networks DOSBox, abandonware and computer music DRM receiver and DRM protection EEPROM series AT93CX6 from ATMEL Electronics Workbench - computer lab Eutelsat - planned satellite launches FAST/FASTr logic and its work on the load Flash memory Google Chrome: The Browser War Continues? Ground Plane for VHF Hi-Fi and volume control HISPASAT - satellite operator for Spanish speaking countries IL1051AT - charger voltage and current controller IL7660CN - CMOS Power Supply Converter IL9010N - collector motor controller ILA19002 - single-phase electricity meter ILMS5360 for remote control systems L- and C-reactances LC and RC filters with adjustable bandwidth LEGO and robots LiPol batteries to power the flashlight LM1881 - video sync selector Logitech: innovation, convenience and comfort LogWiFiYagi Micro Cap and SPICE Microsoft Office OneNote: Everything you need to collect information Microsoft Office Word 2007: What's new? Microsoft Word and macros MIDI keyboard MojoPac: Portable Virtual Environment MOSFET transistors with a channel resistance of 1 mΩ MS Groove: a new player in the Office team N-channel MOS transistor KP214A9 Overdrive for guitar Panasonic as 3USCT PCF8591 - 8-bit DAC/ADC Retro-UMZCH for a subwoofer on a 2-coil head QUAD-405 RA6YBZ. double diamond RGB inputs in Vityaz RGB LEDs for lighting technology RS-trigger - simulator Sanyo as Senao SD camcorder Panasonic-SV-AV100 SES ASTRA is the largest satellite communication operator SESAT - international satellite communication project Siemens - diver SMD equivalent of LM3909 SMS Dictionary Spry: the solution for the designer SRPP-cascade on a lamp and transistors Super bass for the player. Refinement of low-quality players in order to reduce the unevenness of the frequency response in the low-frequency region Thinstall: creating virtual applications Thinstall: tweaks TRAP filters and their application UA9LAQ. Ultrasonic receiver UT5UDJ. Crystal oscillators on harmonics UT5UDJ. Crystal oscillator at non-standard frequencies UT5UDJ. Super Regenerative Receiver Based on RF Barrier Generator with OB Virtual Box: first acquaintance VirtualBox: first acquaintance VoIP - Voice on the Internet Webcam: Are you being followed or are you being followed? Wi-Fi and what it is eaten with Windows Longhorn Windows Phone 8: an alliance in the works Windows Phone 8: minimalism in action Do you like Opera? And I won't boil... And in our apartment ... a robot! And you? emergency light Avometr Ts-20-5 is powered by Krona Auto indicator with one lamp Car radio Gate lighting switch Automatic light switch on one relay Automatic charger Water pumping machine Automatic machine for pumping water in cellars, water towers, etc. Automatic machine for turning off the electric kettle when boiling and sound alarm Utility room machine. Switching on the lighting Watering machine Greenhouse automatic switch for automatic switching on and off of the lamp depending on the illumination of the photosensor Water Filtration Machine Automatic change of volume and reduction of current consumption in standby mode staircase lighting machine Load shedding device based on indicator ICs for LED bar SN16889P or BA6137 Fan intermittent automatic switch Automatic load switching Light effects machine Automatic light effects SW-128 Automatic lighting effects on the microcontroller Automatic change of direction (on the example of a children's electric train) and a special cargo transportation unit Driving lights automatic Automation for the Christmas tree Automation for bakers and cooks Automatic water pump Automatic discharger Automatic audio compressors Automatic light switch with IR sensor Automatic light switch Automatic switch with time relay Automatic light switch Automatic country lamp Automatic phase switch Automatic watch corrector Automatic headlight switch Automatic water dispenser Automatic mains switch Auto turn on parking lights in a car Automatic light on Automatic shutdown of network adapters Automatic charger Automatic charger for car batteries Automatic charger for small batteries Automatic intercom Automatic intercom of two telephone handsets and two musical cards, operating at a distance of several hundred meters Automatic charger Automatic water pump control Automatic staircase lighting Illumination control machines Electric car car flasher Automotive security systems Automotive voltmeter Car stethoscope Automotive UMZCH on IC TDA2005 powered by boost inverter (+16 V) Autonomous mobile phone charger Autonomous apartment alarm Autonomous compressor Answering machine with clock Clock answering machine based on Talking clock with current time voice message Answering machine-gatekeeper CMOS car alarm Car alarm Signal-003 Autoguard with a radio channel that reacts to body vibration Nightmare FX120 car amplifier Adapting a 110 V UPS to a 220 V network Phone Message Auto Recording Adapter aquarium timer Aquarium thermometer The battery will still last Mobile Phone Batteries Batteries made from paper and salt Active HF Antenna Active load - current stabilizer. Two-terminal device based on an op-amp and a powerful field-effect transistor Active ferrite antenna Active three-way crossover Active filter for subwoofer Active filter for XNUMX-way speakers Acoustics and interior: Marriage of convenience Acoustic system according to Chebyshev Acoustic trifles in the manufacture of acoustic systems Acoustic relays Acoustic lighting control Acoustic switch for hallway Acoustic switch to turn on and off the lighting with a sharp sound signal (clapping hands) acoustic relay Acoustic relay for chandelier Acoustic relay... no relay Alternative VoIP Gateway AM micro transmitter AM radio microphone AM/SSB receiver Electrosmog analyzers Analog adjustable dinistor Zener diode analogue on KP501 Universal LED analogue Analogues of domestic transistors. Table of analogues of field, unijunction and bipolar transistors Analog Filters for Data Acquisition Systems Anemometer Animated drawings on the LED matrix Yagi antenna for receiving VHF FM stations in adverse conditions Traveling wave antenna Antenna Double square mobile phone antenna Antenna gossamer Antenna Triple Zigzag Antennas of vertical polarization Antenna UHF amplifier Antenna amplifier Antenna amplifier, or greetings from Poland! Anti-vandal lighting system Kaspersky Anti-Virus 6.0 for workstations Anti-corrosion protection of equipment Antimigraine Northern Lights Anti-eavesdropping Anti dream Caller ID to block access to intercity Aperiodic TV signal amplifier Apparatus for galvanization and electrophoresis Spot welding machine Do-it-yourself phototherapy apparatus for the treatment of skin diseases by exposing the affected areas of the body to infrared radiation Duna-T Twin Head Speakers AS-five-minute Current attenuator in energy-saving lamps Starship audio system Ah, that cruise control Ballast capacitor light bulb barometer Barsetniks will have a rest Barrier LC oscillator with OB Battery thermometer running lights Running lights + color music Running lights on CMOS chips Running lights on 8 channels No leaks or dirt. PCB stencil Chokeless power supply for fluorescent lamps Safety first Safe aquarium heating OS-free driver in UMZCH OSless superdriver OS-free UMZCH with negative output impedance Impeccable UMZCH Triangular Capacitive Voltage Generator Non-contact loudspeaker protection Non-contact control of power circuits Contactless key modules Non-contact presence sensor Non-contact level sensor Contactless DC bell proximity switch Proximity input switch Uninterrupted Lighting Uninterrupted power supply of equipment Free Ukrainian hosting Wireless signaling via virtual channel Wireless remote control Wireless home bell Shadowless Shade Transformerless charger Transformerless power supplies Transformerless power supplies based on Rohm converters Transformerless source at KRENK Transformerless backup power supply Transformerless stabilized PSU Transformerless stabilized IP Bipolar voltage from one winding of the transformer Insulated Gate Bipolar Transistors Bipolar silicon NPN transistor KT8261A Bistars will help not only with osteochondrosis Bistars will help with osteochondrosis Bi-phase generator with adjustable pause Light off delay block Acoustic protection unit Electronic circuit protection unit Power supply 0…30 V/5 A Power supply 13,8 V/10 A Power supply -60 V Power supply for Ethernet switch D-Link DES-1005D Power supply for multimeter DT-182 Power supply for op-amp Soldering iron power supply Power supply for a radio amateur Scanner power supply Power supply from nothing TV power supply Power supply for the M830 multimeter Power supply on LM723 Power supply unit with protection on the K140UD9 OU with adjustable output voltage within 3,5 ... 18 V at a load current of up to 2 A Power supply with comprehensive protection Power supply with integrated power protection simultaneously for maximum current and power dissipated by the control transistor. Power supply with PWM stabilizer Power supply with current stabilizer Rus series phone power supply UCU power supply Power supply for electronic-mechanical watches Toilet fan control unit Control box for packaging machine Power supplies for small equipment Power supplies with PWM stabilizers Intercity blocker Notepad-communicator for the patient Large indicators from small LEDs Large hole - no problem! Using a sharpened electric razor blade to drill large diameter holes PSU + memory PSU for home lab PSU for microdrill PSU for Samsung camera BP on rolls PSU from Epson printer to power UMZCH PSU with a phase regulator The burden of mobility: laptop accessories Shaving shunt for ammeter Armor-piercing vibrating alert control unit for polyphase motors Broadcast alarm clock. Using a radio broadcasting network as an automatic machine for turning the load on and off at a given time Black wrapping paper paper resistor for photographic film Fast-acting 3-stage hardware protection Fast protection in UMZCH Fast Diodes 1N4933 - 1N4937 Fast amplifiers with low Ucm Quick dismantling of microcircuits Quick repair of remote control buttons by applying a film of a mixture of silicone adhesive and graphite powder Baby, you can't Internet from outback To help learn Morse code To the amateur radio workshop: a utility knife with replaceable blades, a ballerina cutter, a micro-drilling machine Mitten on a string OS option for OS Varistors Entering User Modes into the AVR Microcontroller Fans for cooling JAMICON electronic equipment Eternal probes. Probes for testing digital circuits powered by the circuit under test Eternal Tray Weigh KPI Taking the castle Vibrating speaker Vibroacoustic unit Vibrofon, which has a beneficial effect on the body Vibration sensor for alarm Vibrotransport sorting of bulk materials Video - computer hands Video and Audio in PowerPoint 2010: What's New Video intercom in the private sector Video Surveillance Video power splitters for cable TV video splitter 4 output video splitter Videophone Widgets and informers Visual search of electrical circuits Wikipedia and COM port Winchester hits with data Virtual arming Night light switch Turning on the light bulb with two switches Turning on the fluorescent lamp in the network Inclusion of low-voltage thyristors in the network Turning on the UV lamp through a time relay Influence of transmission lines on high-speed CMOS ICs Cell phone external antennas Inside the capacitor, or a displacement sensor from a millivoltmeter What to wear equipment Water - we pump, no - we wait! Pump control device for pumping groundwater from basements Exciter of a powerful pulsed microwave generator Sound card features The revival of the thyristor power controller with a minimum number of parts installed on the heat sink. Take Antison on the road Audio frequency voltmeter Extended scale voltmeter Volt-meter without frills based on a microammeter (head) from the recording level indicator of a tape recorder Electrician's volt/ohmmeter Let's soar into the clouds Recovery of AB radiotelephones Battery recovery Forgotten password recovery Recovery of acid batteries by cyclic current Recovery of lead batteries Restoration of the IP arrow Recovery of dead CDs Eight-channel remote control Insert instead of a battery in the memory The second life of BP Vityaz 34TB-401 The second life of integrated quartz oscillators The second life of a computer PSU The second life of the primary electric clock using a frequency divider on the K561 series microcircuits The second life of old radio stations The second life of the central lock. Device for forced activation of the electromagnet of the door lock when it is jammed RF generator RF detector RF signal converter Have you heard the... wires sing? Selecting an oscilloscope test probe The choice of capacitors for IP Selection of capacitors for minimum ESR Selecting the required copper wire diameter Calling an extension phone Battery switch Stoplight switch in traffic jams Double switch for lamp Rectifier for welding machine Rectifier diodes 1N4001 - 1N4007 General Purpose Rectifier Diodes 1N5391-1N5399 General Purpose Rectifier Diodes 1N5400-1N5408 Rectifier bridges KBJ4005G-KBJ410G Rectifier bridges KBPC1000-KBPC1010 Rectifier bridges KBPC40, KBPC50 CoolMOS High Voltage FETs High-voltage converters on a thyristor-transistor generator High-voltage source from parts for TVs High Stability LC Oscillator High frequency cable switch High frequency electroepilator Highly sensitive piezo sensor High-performance electronic key frequency converter Extractor for soldering iron Extractor hood parking lights Bicycle LED Dimensions Gas and temperature sensitive relay Discharge lighting - battery powered Gas Welding Machine for Refractory Solders Gallery UMZCH on TDA2030 Garage traffic light Harmonic crystal oscillators Overvoltage absorber. A circuit that subtracts a given voltage from the supply voltage, regardless of the load current Snoring quencher White noise generator High-voltage pulse generator with an amplitude of up to 200 V at a supply voltage of 12 V Speaker Tuning Generator Telephone Line Test Generator Silver ion generator Test Signal Generator Modulated RF noise generator Tunnel Diode Generator Pulse Burst Generator Burst generator Rectangular pulse generator RF noise generator Pink Noise Generator Triangular Waveform Generator Using Out-of-Phase Addition of Two Rectified Sinusoidal Signals sine generator LF sine generator Random Time Slot Generator TV Signal Generator on PIC TV Signal Generator Bernard current generator Voltage controlled generator Noise generator to protect secrets Voltage controlled generator Probe Generator Generators for testing radio receivers Audio Range Generators Dual tone generators and receivers CMOS Oscillators Reed switches Polystyrene bending Flexible drill bit for small diameter ballpoint pen drills Flexible Whip Helical Conductor Antenna Hybrid Headphone Amplifier Hydroionizer DIY hydroponics GIR on field-effect transistors Clay on CMOS elements Talking water sensor Voice relay HFC on piezo filters loud phone Loud engine rotation modulator with rotation speed control depending on the volume of environmental sounds GSO in December 2005 Vibration sensor - from a lighter Fire sensor Pressure sensor Swing sensor Loose sensor Alcohol vapor sensor Fox call sign sensor on ROM Presence sensor Hall effect current sensor Pedometer sensor Humidity sensors country security Two lighting effect machines Two load simulators UMZCH The doorbell is the key to the apartment. An electronic unit that allows you to open the door using a certain sequence of calls Doorbell with increasing volume on KR1008VZh4 Doorbell Symphony Dual Channel Charger/Discharger Dual-channel voltage regulator on TDA2822 XNUMX way speakers Two-threshold speed indicator Dual mode chandelier control Two-stage signaling device Two-stroke inverter in the charger Reduced Power Push-Pull Inverter Two point crystal oscillator Two-color network indicator that can be used to monitor the integrity of the fuses Dual frequency oscillator on multiplexer Dual element swiss antenna DG from counter to AC SECAM TDA3530 decoder Remote control protocol decoder RC-5 Making a laptop mobile Divider to the frequency meter Frequency divider by 1000 Dismantling parts from boards Dismantling microchips in batches for quick soldering of microcircuits from boards on a gas stove Dismantling elements from boards LED currency detector Gas detector (CO and alcohol vapors) IR detector Zero detector Zero detector on the microcontroller Presence detector hidden wiring detector Lie detectors. Speech analyzer with LED indication Lie detectors. Biological basis of control UHF Antenna Triple Square Joystick for caller ID from a computer set-top box for operational control of phone functions with caller ID Diagnostics of car computers Opel Cell phone battery diagnostics Diagnostics of car spark plugs Ferrite diagnostics Diagnostics of electrical equipment Diana treats kinescope Range 88 ... 108 MHz in old receivers Civil radio bands Dynamic distortion for guitar with 2 microcircuits and 2 transistors FUZZ BOX Dynamic compressor for electret microphone Dinistors, thyristors, triacs Diode current sensors in control and protection devices Diode bridge with volt addition using additional diodes and capacitors Diodes 4SKM003, 4SKM202, 4SKM591 Rotary dialer + electronics Discrete timer Remote signaling Remote lighting control Fountain remote control Remote selection of TV programs Radio network remote switch For you - Radio, Anna, troika ... To save light in the hallway. Device for automatically turning off the light 1 ... 2 minutes after switching on Advertising Information Dispenser Dosing of epoxy adhesive components battery doctor Durable lamp Bernard Home Current Generator (50 and 100 Hz) home intercom Home theater mini-max Home theater on your own Home theater... in the first reading Home theater... in the second reading home lighting Intercom for a private house Intercom Nikolay Additional voltages from one source Additional switch for the multimeter Additional UPCH with AGC Refinement 6GD-6 Refinement of the car radio station Alan78 plusR Refinement of the remote light switch Finalization of a remote call Completion of the road lamp Refinement of memory Refinement of Karat MP202S in order to improve service capabilities Refinement of the multimeter M-830 Refinement of the Motorola TLKRT3 radio station Refinement of the radio station SB NS-881 Refinement of radio stations Len-V Improvement of the voltage relay RN-40 Refinement of the network adapter Finalization of the PTT with the Tokat B-radio station Refinement of ZULPT-50 TVs Refinement of the solder suction device Refinement of Electronics TsSh Completion of electronic clock Driver for low voltage motor LED Drivers Another life of UPS PC TV remote control Horizon 51ТЦ412-I thinking night light Duplexer CB/VHF Souvenir tree Christmas flasher Christmas tree garlands of neon lamps, a rectifier with voltage doubling, which is powered by the mains Christmas tree garlands on flashing signaling devices Christmas garlands on flashing stabilizers Capacitive proximity sensors If the horizon is noisy If auto redial does not work. Analysis of the causes of poor performance of phones with caller ID and recommendations for their elimination If the computer is clown If the cell utop Another charger More about lamination More about printing More about pirates Once again about the constant glow of the kinescope Another step towards smart home Firebird brings communication technology Living and dead water FORDATA LCD Bugs on formulas. Calculation of homemade fuses made of copper or aluminum wire Bug without rectifier Bug for children's room Bug. Miniature microtransmitter Mysterious Spider Mysterious Marantz PM8 Amplifier Loading and autoloading from USB Flash Light off delay Ignition with a new way to ignite the mixture Grounding Grounding in electrical and radio equipment Grounding in winter Grounding. Floating, single and multi-point grounding, daisy chain grounding Slow turning off the interior light based on the timer KR1006VI1 for turning off the light in the car interior after a specified period of time Replacing 61LK5Ts with 61LK4Ts and the necessary improvements for this Replacing TDA2451 with K174UR5 in Waltham TS3350 TV Replacing 78xx Series Chips Replacing the power amplifier in the Alan-18 car radio Recording from a Daewoo TV on 3 transistors for connecting a video recorder Refilling HEWLETT-PACKARD inkjet cartridges Running Powerful Power Supplies Launching File Explorer in Windows XP Charging Ni-Cd batteries with increasing current Charging NiMH batteries with low current Charging the batteries Charging batteries from RF converters Charging batteries according to Woodbridge Charging manganese-zinc cells Charging a mobile phone with batteries Charging Fluorescent Fishing Lures Charger Battery charger and recovery device Charger for car batteries Charger Car battery charger Car battery charger iPod Battery Charger (iPhone) Charger in car trunk Charger for Lilon batteries Charger for Li-lon batteries Charger for Ni-Cd batteries with adjustable current and charging time Charger for Ni-Cd batteries consisting of a current stabilizer and a timer Charger for car batteries Charger for car batteries ATV Battery Charger Battery charger Charger on mobile phone adapter Charger on a thyristor inverter Charger with ballast capacitor Charger with a minimum of parts based on the TC180 transformer Charger with single-ended rectifier Charging machine on composite thyristors Protection of self-generator power supplies Protection of equipment against polarity reversal Power supply protection PSU overload protection High voltage power supply protection Control AC overload protection Load surge protection Protection of low voltage lamps Refrigerator Surge Protection Reverse polarity protection Protection from pirates. Telephone line monitoring device and blocking it in case of unauthorized dialing Leakage current protection Protection of radio equipment against surges Stabilizer protection on a two-winding relay Protecting your phone from pirates Phone Protection Protection of transformer devices against surges Protection of electrical equipment from overvoltage We defend ourselves Call for all occasions Bell to call Sound in ROM (for dummies) Sound generator like a siren Audible light indicator Sound charge controller Sound control turn signal buzzer buzzer for multimeter Fire alarm buzzer Buzzer from ... cow Sound reproducing complex for beginners. 3-tube stereo tube amplifier and simple speakers Audible car alarms to remind you of open doors, trunk, hood, turn signals on Class D audio amplifiers Green mouse Familiar strangers. Electronic watch in mechanical style Meet the electrets! Memory for Nokia Memory for AB Battery charger D-026 Mobile phone charger with digital timer charger for AA batteries battery care charger Memory with determination of the number of installed elements miner's light charger And resistors can be...capacitors And again PowerPoint And the walls will resound UPS for watches UPS on LM2577 UPS with PIC controller IVL1-7/5 - night light Butt Protect game Cool swing game Ducks flying game Game Test reaction! clapperboard toy From the computer's power supply From experience with KR1182PM1 Overvoltage detector Front panel manufacturing Front panel manufacturing Manufacturing of winding products Manufacture of springs and coils Capacitor ESR measurement Measurement of Rin voltmeter Measurement of high resistances Measurement of high currents Capacitor capacitance measurement Distortion measurement Measurement of low resistances Measurement of low resistances based on a differential amplifier for measuring resistances of 10 mOhm...1 Ohm with probe resistance compensation Measurement of parameters and calculation of AC Measuring modes of electronic circuits Measurement of the characteristics of radio electronic devices Frequency measurement with a multimeter Measurements in sound engineering Measurements with an ohmmeter with a planted battery ESR Meter Electrolytic Capacitor ESR Meter Meter Rvn AB Air humidity meter capacitance meter Capacitance and inductance meter Capacitor capacitance meter Capacitance meter on logic element Battery charge meter based on ADC KR572PV5 and microcircuits of the 561 series Immittance meter on the sound card Impedance meter Meter C - attachment to the tester Temperature meter - attachment to the voltmeter Air temperature meter Heart rate monitor Frequency, period and capacitance meter Measuring instruments in the power supply Measuring generator based on digital signal processor Measuring complex М830 + Measuring kit for tuning UHF antennas Measuring microphone isolation amplifier Solder insulation Learning the telegraph: a device for two-way communication SMPS 190 W SMPS on PWM controller LX1552 IR illumination for CCTV cameras IR filter from improvised materials IR barrier on microcontroller IR valet for car IR radar IR signal extenders for remote control car battery simulator Campfire simulator Receiver Simulator Electronic interrupter simulator Imported kinescope A48ECR11X60 instead of 51LK2Ts in 3USCT TV Pulse diagnostics of batteries Pulse Charger Pulse charger with battery desulfation mode Pulse memory for NiCd batteries Switching power supply for the LED. Voltage converter and switching regulator for powering high-brightness LEDs Switching stabilizers on the PWM controller KR1114EU4 UZCH switching power supply with a power of 300 W with output voltages of ± 20 V and ± 35 V Pulse IR Tester Pulse IP 460 W Switching power supply for UZCH 1,1 kW switching power supply Switching power supply on L6590 Switching power supply on a unijunction transistor Switching voltage converter on ADP2504 Switching stabilizer for telephone Switching stabilizer: what is it? Pulse amplifier of the short-range radar system Pulse low-pass filter on a logic element ICs ILE4260 and ILE4260-2 - powerful voltage regulators 5 V with load current up to 0,5 A IC LM3909 in amateur radio designs ICs of analog-to-digital converters PAL decoder IC TDA4510 TDA3510 decoder IC Corrector IC CTI and DL TDA4565 delay line IC TDA4568 IC multistandard decoder TDA4650/51 Voltage stabilizer IC 3,3V / 1,5A K1234EN3AP (similar to LT1086-3,3) Inverting DC voltage converters Hybrid thyristor inverter voltage inverter Voltage inverter. Negative polarity auxiliary voltage driver for powering the op-amp in digital circuits DC inverter Inverter current source Indicator - to the switch, providing variable brightness of the LED adenoma indicator Load indicator Load indicator Nested sequence indicator for setting up microprocessor devices Reversed lamp indicator Bulb out indicator Switch indicator Indicator for the forgetful for installation in various battery-powered devices Telephone line busy indicator Tank full indicator Radiation indicator Infrared indicator Ionizing radiation indicator Minimum battery level indicator Lamp soft start indicator An indicator on a two-color LED and a piezo emitter for monitoring the voltage of the car's on-board network Satellite dish pointing indicator Voltage indicator Battery voltage indicator End of charge indicator Mains voltage deviation indicator Mains voltage deviation indicator Door open indicator Liquid indicator Overheating indicator AC overload indicator Air movement indicator Reversal indicator Load connection indicator Field indicator Field indicator for antenna installation Polarity indicator Leak indicator 3V battery low indicator Low battery indicator Low battery indicator Dual flash indicator Indicator of light pulses for monitoring the performance of remote controls Blown fuse indicator Network indicator Stereo balance indicator Thermal indicator Charge current indicator Water level indicator Audio level indicator Level indicator on IC KIA6966S Frequency indicator Electromagnetic radiation indicator Extension telephone indicators for off-hook signaling on an extension telephone Telephone Line Busy Indicators Indication of the operation of the apartment bell Incubator seedling incubator Uninterruptible power incubator for unstable networks with battery backup and automatic power transfer in case of mains failure Full Service Incubator Instrumentation amplifiers Integrated circuit IL3842A Integrated circuit INF8577CN Integral Combined Stabilizers Integrated Video Switchers Integrated circuits of wide application and their foreign analogues Integral stabilizers Integrated circuits for low voltage Integrated UMZCH. IC TPA0213, TPA0223 Integrated UMZCH. TRA0202 Integrated UMZCH. TRA0211 Integrated UMZCH. TRA0212, TRA0222 Integrated UMZCH. TRA0232, TRA0242 Integrated UMZCH: TPA0233 and TPA0243 AN7140 Low Frequency Integrated Amplifier AN7168 Low Frequency Integrated Amplifier AN7170 Low Frequency Integrated Amplifier Intelligent Light Switch Intelligent touch call Internet: CAN protocol and auto electronics Internet: FAQ, tips and tricks Internet: flow charts, mnemonic diagrams, dragon diagrams Internet: webinars and PCB layout Internet: camcorders and webcams Internet: displays from mobile phones Siemens-S65 and Nokia-6100 Internet: supercapacitors and electrolytic capacitors Internet: from detector receiver to web radio Internet: Scheme Surfing Internet: Avramenko transformer and RSS feeds Internet: emulators and simulators Internet mosaic MIDI interface RS-485 interface, Modbus and industrial controllers USB interface subsonic filter Infrared light switch Infrared switch to turn lights on and off with any remote control Infrared alarm sensor Infrared port for computer Infrared illuminator for video surveillance Ionator Air ionizer Air ionizer - neutralizer liquid ionizer Ionistors of the K58 series Ionophone IC with control ILA9605A Three-Phase Energy/Power Meter IC (Similar to SA9605) Loudspeaker distortion hidden wiring finder Using a Master Document in Microsoft Office Word 2007 Using the Parallel Port Using a power-to-frequency converter KR1095PP1 Use of high voltage mains transformers Power field and bipolar transistor tester The story of two inventions, or the second wind of transistor amplifiers Emergency power supply Uninterrupted power supply unit Source and consumer. What is the best way to agree? Voltage source for air ionizer Power supply 12V/5A Power supply for Chandelier Chizhevsky Test station power supply Power supply Minute to power the soldering iron with minimal manufacturing effort Uninterruptible Power Supply Looking for the Hartman grid Looking for drafts K155LAZ will still serve! cable probe cable tester Frame in frame for Horizons How to turn on the HPS lamp How is it possible without a remote control? How to block watchdog? How to make a magnet? How to make a nut? What are the ranges called? How to determine battery capacity How to evaluate SVU? How to power the office in the car? How to choose resistors? How to buy a microchip. Deciphering the designations of microcircuits in various cases How to check an electric meter? How a Synchronous Receiver Works How to deal with a digital camera? How to calculate a shunt? How the microchip was born How to make thin solder How to bend plastic? How to tamp a phase inverter How to store details? How I got my first call What a trifle - interference! What is the weather outside the window? What is the weather today? Temperature, wind direction and force meters What body to make? Calendar in hours B6-403 Oscilloscope calibrator Calculator - row counter in a knitting machine Frequency Calculator Rosin Pocket Defender Pocket cardiograph with graphic display Pocket Stereo Amplifier Pocket phone Pocket UMZCH with mains power Card Reader for Proximity Cards Cascode amplifier Cascode amplifier video equipment Checkout for details Battery cassette for placing nickel-cadmium batteries or batteries in chargers, power supplies Electric ATV House bell - watchman House bell with increasing volume Room bell Nightingale Quartz instead of LC circuit Quartz generators OJSC MORION Quartz oscillators JSC MORION GK41-UNTS and GK42-UNTS Quartz generators JSC MORION. Quartz oscillator GK36-TK Quartz generators JSC MORION. Quartz generator GK85-TS Quartz generators JSC MORION. Quartz generator GK86-TS Quartz generators JSC MORION. Quartz generator GK87-TS Quartz generators JSC MORION. Small size crystal oscillators MQ-29, MQ-31 and MQ-61 Quartz generators JSC MORION. Small-sized quartz oscillators GK77-UNM and GK44-P Quartz generators JSC MORION. Precision quartz oscillators GK27-TS and GK31-TS Quartz generators JSC MORION. Precision quartz oscillators GK34-TS, GK34-TS-M and GK50-TS Quartz generators JSC MORION. Thermostated quartz oscillator GK71-TS Quartz generators JSC MORION. Economical quartz oscillators GK52-P and GK52-P-M2 Quartz resonators of OJSC MORION in metal cases Quartz watch. Stepper motor control of electro-mechanical clocks with quartz-stabilized pulses Crystal oscillator for low active resonators Crystal oscillator with powerful output Quartz chaotic oscillator HF radio with frequency synthesizer Kenotron from the multiplier. Replacing a high-voltage kenotron (1Ts21P) in tube TVs with a diode analogue from an old multiplier Cybernetic Examiner Kilovoltmeter. High voltage meter (up to 30 kV) with improved security system Aquarium Oxygen Feeder Classic U Stabilizer Radio emission classes Internet client technologies Club April 1 Key charger Key Amplifier Books by Technosfera publishing house Solenoid Pushbutton Switch Push button mains voltage switch When the house is on an equal footing with the owner Code marking fixed resistors Combination lock Combination lock with low power consumption in standby mode Combination lock with plastic card Combination lock with backup power Speakers from Mippu Combined television antenna Combined power regulator AUDIO and VIDEO switcher for connecting various signal sources to the TV City switchboard for communication of subscribers of an internal exchange (office) with a city Switch on K561IE8 Load switch Load switch FET current switch One button switching Indoor TV antennas on the knee Room Combi CD instead of grid field generator Compact signaling device Comparator LM7300 Instrument set Signal Connecting line kit. Device for connecting various intercoms to external telephone lines Complementary UMZCH RA-300W Compressor for electret microphone Compressor Sustainer for Bass Guitar Compressors and expanders to reduce noise and improve sound quality in narrowband transceivers (cordless phones) Compressors and expanders. The structure and pinout of microcircuits companders МС3310, LA8630, КА8507, AN6165 A computer. + multimedia in PowerPoint A computer. Electronics Workbench - computer lab A computer. Google: office on the web A computer. Google: change of leader? A computer. Google: electronic organizer A computer. Windows: XP and Vista A computer. Getting ready for the worst A computer. More about macros A computer. Get to know OpenOffice A computer. Custom Presentation Templates in PowerPoint A computer. Creating Integrated Documents: Embedding and Linking A computer. Creating Integrated Documents: Features of Access A computer. Such familiar tables... computer mosaic Computer ophthalmologist Computer TV tuner as a frequency meter Comfortable work on any PC The capacitor will help the battery Capacitive voltage divider in the AC circuit for adjusting the temperature of the soldering iron Capacitors Canning Antennas The EUTELSAT consortium is the world leader in satellite communications Designs on high-speed CMOS microcircuits Speaker construction AB charge controller Emergency controller to control the main parameters of the vehicle Network controller Tank water level controller smart home controller LCD Controller HD44780 Incandescent lamp protection controller Power factor controller IL34262N Hard logic controller Light cord controller duralight Brake light controller Control of incandescent lamps Vehicle Lamp Control Car enthusiast control phone control Photocopier from photo enlarger Feeder for tits only Housing for micro elements Enclosure for REA made of hardboard housing for electret microphone Housing and front panel in a modern way Case of two P Linkwitz frequency response corrector in low-power UMZCH Color corrector RIAA correctors on field-effect transistors Power factor correctors Distortion Correction in Audio Power Amplifiers Momentary load switching Silicon bipolar transistors KT8296A,B,C,G Silicon bipolar transistors KT8297 Silicon canaries. Canary Trill Simulator Silicon diode KDSh2105V Silicon diode KDSh2996A KT8213A, B, V - silicon epixial-planar pnp transistor Cube computer Cuckoo Tons of sound effects on LA7 Laboratory power supply Laboratory power supply with adjustable protection (from 0,5 to 9,5 A), contactless switching of the network and LED indication of the load current Laboratory PSU on K143EH3 Laboratory PSU on KREN-ah Laboratory IP Laboratory power supply. Two Stage Voltage Stabilizer Laboratory stable current source laboratory transformer Battery avalanche resuscitation Laser is the best medicine?! Laser instead of needles? Laser burglar alarm Laser Imager matchbox lamination A lamp instead of a phone call Lamp, light up again! Low Voltage Lamp Generators Lamp monsters, or running into yesterday. Analysis of the main ways to achieve high-quality sound, description of experiments with tube UMZCH Tube amplifiers for home audio Non-traditional powered tube push-pull amplifier Tube preamp not just for guitar 1,45...3,8 MHz tube receiver Tube triode in UZCH Tube ultrasonic frequency converter with transformerless power supply Lamp UMZCH class Hi-Fi Lamp UMZCH with deep environmental protection 10W tube amplifier Lamp filter in PSU Fluorescent lamps Levitation - myth and reality We are treated with electricity Treats Darsonval Linearization of output current amplifiers Linear indicator scale High Efficiency Linear Regulators Line parallel amplifier Linear amplifier Log level indicator Logarithmic scale Logic Probe Logic kit Logic element - amplifier Delay gate Broken cascode or DK: who is stronger? I love my old TV Chandelier on two wires Lambda probe Load Store Main amplifier for STV receiver Magnetic ground magnetic switch Magnetic sensor magnetoresistors Magnetic sensitive microcircuits Breadboard - for beginners Breadboard for all occasions Little idols from big Little tricks with batteries Small-sized network transformers Small electric motors MOT Small and loud Low power AM transmitter Low Power Video Transmitter Low Power Voltage Regulator ILE4264G Low noise PTBSH ATF-10136 Dot-matrix LCD displays Video Matrix Switchers based on HARRIS ICs A car without music. Homemade car radio Beacon for switch Beacon for fox MVK Horizons instant communication Megaphone A melodious bell from... a wristwatch melodic radio beacon Small things for REA. Technology for manufacturing small parts at home Should I change the antenna amplifier? Changing sound in MASTECH multimeters Hole plating of printed circuit boards Bridge Type Metal Detectors Metal detector TVS metal detector Metal detector with additional features Metronome Flasher for 220 V Flashing LED indicators Flashing LEDs Flashing red light Microwave drying wood Microwave technology for vegetable growing Micro-tree-machine Microcontroller - delta modulator Microcontroller AT89C51 from ATMEL IN80LCD51 microcontroller with built-in LCD drivers ATMEL AT89C2051 microcontroller compatible with the MCS-51 family Microcontroller power regulator Atmel Microcontrollers with Flash Memory Micro power op amps Micro Power AM Transmitter Micropower zener diode on KT501 VHF Micro Transmitter Microtransmitters for radio microphone Microprocessor garland on the AT90S2343 microcontroller and MAS97A6 triacs in the case of a mains switch Microprocessor pocket oscilloscope Microprocessors as cubes Microsauna in the apartment Micro assemblies of AC/DC converters Rohm Chip AD210 IL7101N IC for monitoring AC voltage lines (127/2208) for current leakage IN1705D microcircuit for power control in 5-volt systems and organizing the start of microprocessor systems Chip IR2101 Chip IZE4442 AM radio chip Chip K293LP1 and its application IZE4428 kilobyte EEPROM chip - 1 kilobyte electrically erasable reprogrammable read-only memory Microcircuit for power control in 5B systems and generation of reset signals for IN1232N microprocessors Microcircuit for power control in 5-volt systems and the organization of the launch of microprocessor devices IN1705D Chip micropower programmable operational amplifier Temperature sensor chip Low-frequency amplifier microcircuit for television and audio equipment 74HC595 chips in I/O terminals Chips BT75A Philips chips with I2C interface Chips of sensors and sensors Dynamic RAM chips CMOS ICs - The Ideal Family Static RAM chips UZCH microcircuits Non-volatile ROM chips with serial access Chips-converters of PC and SPI interfaces to parallel I / O ports Microphones MKE-100 and MKE-271 Micro milling machine Mixer on op-amp Milliwattmeter up to 500 MHz with logarithmic scale Milliteslameter Miniature amplifier on a TDA7233S chip Mini Ballast on IR51HD420 Mini chandelier Chizhevsky Noise minimization in UHF World of LEDs Myths and revelations about Windows Multiband GTS Multi-channel testing of the ZVU Multichannel intercom. A method of parallel switching on apartment intercoms, which ensures the opening of entrance doors from any room Multichannel voltage stabilizer on BA4911 Multi-button load control with an unlimited number of daisy-chained push-buttons Multi-button combination locks Reusing Deskjet 3940 Cartridges Multilevel indicator Multi-storey TV antenna Cell phone and privacy Mobile Apps Mobile privacy. Undocumented Features of Motorola Mobile Phones Modernization of the Chinese radio Modernization of the stabilizer switch for motorcycle engines Night lamp upgrade Modernization of 4USCT TVs Modernization of UZCH Electron-104 stereo Short circuit protection device upgrade Modernization of the school radio center Modernization of electret microphones Electric Lighter Modernization Modular power supply UHF modulator for on-air and cable broadcasting Stereo broadcast modulators for converting audio signals into modulated RF carrier waves My onboard computer. Emergency signaling device in the car on 2 microcircuits K561 series Rejuvenating light bulb Instant Antenna Monitor UZCH Monitors and Vision Monocycle HONDA UNI-CUB Installation of digital microcircuits. Microcircuits and elements are fixed on wire spikes, connections are made with a thin wire Mounting... on resistors Monter's probe MOSFET KP507A MOSFET KP508A Bridge lamp UMZCH with a harmonic coefficient of not more than 0,8% in the frequency band 20 ... 24000 Hz Bridge frequency converter for asynchronous motor Bridge transistor rectifier Bridge UMZCH on K174UN19 Bridge UMZCH on K174UN20 Bridge amplifier on K174UN7 Moth for MV Powerful high voltage transistors BU1506DX, BU1508AX, BU1508DX Powerful high voltage transistors BU1706 Powerful high voltage transistors BU2506 Powerful high voltage transistors BU2508 Powerful high voltage transistors BU2520 Powerful high voltage transistors BU2522 Powerful high voltage transistors BU2525 Powerful high voltage transistors BU2527 Powerful silicon epitaxial-planar Schottky barrier diodes for switching power supplies with low forward voltage drop, high speed and no reverse recovery charge. Powerful switching RF switch Powerful silicon epitaxial planar diode KD645A Powerful laboratory power supply Powerful MOSFET KP778A Powerful radio microphone Powerful p-channel MOS transistor KP796A Powerful 5V voltage regulator ILE4270G My chronology UMZCH MU for meetings Music in color Musical bell based on a microchip from a musical postcard Musical strobe Multivibrator Running point Multivibrators on KR504NT Multicombi. Series of combined multivibrators Multimedia UZCH Multimeter... on batteries Multimeters Smart Tweezers Multiplexer voltage converter Thoughts on the transformer in UMZCH Soft start of the starter motor Soft switching on of powerful loads On two TVAV20M At what Kg to stop? On the way to the eternal lamp On the way to high-performance SVU A set of high power silicon Schottky barrier diodes. Main parameters and pinout of diode assemblies KDSh297, KDSh2968 Type-setting welder Coiling springs and spirals Reliable call through the blocker of paired phones Reliable generator control Tired of the drums, turn on the expander Directional antenna for 2,4 GHz band Voltages and plugs of the countries of the world Radio controlled pump Setting up satellite TV Setting Horizon with remote control. Service modes Headphones sound better Filling of wireless FM microphones Not PowerPoint'oM single Not only motion sensors... Undocumented features of USB FLASH Undocumented features of AT89C2051 Forget-me-not, or day with fire Some features of memory chips A little about fast charging abnormal trigger Custom sound effects Non-standard designs on K174UN4A Low voltage LED power supply Low-voltage LC generators with a supply voltage of 1,0 ... 1,5 V and a frequency from units of kilohertz to tens of megahertz Low Voltage Operational Amplifiers LM841/LM844 Low Voltage Voltage Stabilizer Low voltage voltage stabilizer with output voltage 0,5...2,0 V Low frequency oscilloscope New life for secondary electric clocks New life for tube radios Christmas star with a surprise, the glow of LEDs in which you can control the sound New in Microsoft Office 2013. Word New designation of capacitors New books published by Technosfera New sound from old speakers A laptop Battery operated night light Night light on krypton lamps Night Light Candle Night watchman Well, a very sensitive switch! LF frequency synthesizer Low-frequency amplifiers on negavaristors Low pass filter for CD players LF frequency counter-millivoltmeter About transformerless power supplies with a quenching capacitor About biologically dead air About oil sensor replacement About the reliability of car alarms About one MP-3-3 malfunction, manifested in low-frequency rumble and raster distortion Guardian of sight Designation of integral voltage stabilizers Designations on the diagrams Flyback converter U Flyback converter on TNY268 Shoe speakers Lights run through the tree LED current limiters Inrush current limiter One of the reasons for distortion in UMZCH single vibrator on logic One antenna is not enough Odnoklassniki.ru and schemes on LiveJournal Single Pushbutton CMOS Switches One-button combination lock Single Chip SPI to I2C Bridge and I/O Port Expander Single-chip USB-UART converter Flash revival End stage UMZCH Octane corrector Operational amplifiers Operational Amplifiers AD542/AD544/AD547 Operational Amplifiers LMP8100 LT6003, LT6004, LT6005 Ultra-Low Power Operational Amplifiers Operational amplifiers OPA211 with a supply voltage of 36 V Operational amplifier AD546 Description and analysis of a new 50-watt amplifier circuit Annunciator for a car enthusiast Determination of the parameters of the hysteresis loop of the magnetic circuit Determination of earth resistance Determination of the state of biologically active points Acoustic impedance panel optimization PSU mode optimization Optical translator of low-frequency signals. A device for transmitting sound and ultrasonic signals over an optical channel over a distance of up to hundreds of meters. Optoisolation of the audio signal Optoelectronic MOS Relays Optoelectronic MOS Relays NAIS Optoelectronic devices Organizers: portability and on-line in one bottle original antenna amplifier Refreshing the speakers Lighting for the bike! Battery with recharger for lighting the road at low speed or when parking The main parameters of color kinescopes from Thomson, Philips and Nokia Wire connection basics GPS features Features of the output transformer of the lamp UMZCH Features of cable TV Design features on digital ICs Features of phones with AON Rus Oscilloscope - the eye of a radio amateur in the circuit Oscilloscope measurements From iPod to iPhone From kinescope to LCD, plasma, OLED and FED From layout to board From the Gumeli amplifier to the Alexander amplifier Screwdriver instead of a soldering iron Postcards with falling snow Postcards with movable elements Shall we xerify the document? Op-amp for controlling photodiodes Water cooling in an aquarium bug hunter Entrance door security Front door security Security over the radio Cell phone security Охранная сигнализация Burglar alarm with Hall sensor Security alarm with cell phone Security system from a laser pointer Security with cell security device Security device for an apartment Security device based on simulator Security device on microcontrollers Security device with IR control Security device, in which a piezoceramic emitter serves as a vibration sensor Security systems and secure passwords Evaluation of the quality of ultrasonic frequency using rectangular pulses (meander) water purifier Cleaning the conclusions of radio components Cleaning the nozzles of injection engines Soldering SMD components Soldering of aluminum and its alloys Soldering without overheating Batch KPI Panel - the face of the device Socket-adapter for microcircuits Paraffin Parking by sound Soldering station on a PIC controller Soldering station RM-001. Schemes for adjusting the temperature of the soldering iron Air soldering iron Soldering iron for three-leg soldering Soldering iron with flasher Soldering iron with interchangeable rods soldering passions Remote control - light switch Pager for security Motorcycle speaker Intercom Intercom Director-Secretary Intercom for motorcycle Intercom from a laser pointer Intercom from old phones Fax me Alteration of AS Orbita Alteration of a computer power supply Jung's radio conversion Alteration of the transformer Front panel - by iron-laser technology Christmas tree garland switches on CMOS chips Garland switch Variable resistors types B and C from A Portable ESR meter Tunable crossover Rebuilding VHF units to FM FM band tuning Recalculation decade S-video adapter Perspectives of server technologies Printed spools using an iron-laser PCBs in amateur conditions Printed circuit board plotter Printed subtleties Food Ferroli LDS power supply from 12 V Battery powered LDS Powering multimeters from external sources Power supply of radio equipment from batteries Relay low voltage supply Power supply of LEDs from the network Parallel Power We write by mobile Smooth brightness switch Soft start and stop of the electric motor Plasma tweeter. Emission of sounds using a plasma column formed by a high-voltage coil (Tesla coil) Boards with a permanent felt-tip pen 3M Plasma Repair Film In the footsteps of Marantz PM710 Let's believe the audio system with music Let's check UMZCH with a computer Surface mounting Class AB voltage follower Repeating malfunction of Funai 2000T-MK7 Repeated malfunction of the MJ-2701 transceiver DC-to-DC step-up converters step-up autotransformer Increasing the Q contour Increasing the linearity of the SRPP transistor amplifier Improving the reliability of diode bridges. Analysis of the causes of failure of KTs405 diode bridges and recommendations for improving their reliability Improving Lamp Reliability Improving the reliability of the Dragon CB-407MK4 radio AF suppression gift for spark plugs Selection of diodes for pairs Selection of capacitors of the same capacity with the help of avometer capacitors and a sound generator Maintaining the temperature of radio devices Maintaining the coolant temperature Connecting a VCR via a converter Connecting the microcontroller to a PC via RS-485 Under-ceiling cash desk for parts and a windmill house number backlight MFJ-941E tuner indicator backlight powered by…solar battery Illumination of handles of radio equipment Scale illumination with setting indicator Network insurance in Russia Fire detector and computer fireproof lighter Positioner for STV. Direction setting accuracy - 0,250 BAP search by laser Search for biologically active points Search for magnetic anomalies Search for underground power networks Search for files on the local computer Purchased and homemade gadgets Field boiler field keys Fieldwork in Word 2007 Field-effect transistors KP523A-G Useful Starter Designs Creeping malfunction of the player Watering flowers - on the machine Bandpass power amplifier (66...73 MHz) RF band pass filter Semi-automatic announcer-informer Half-bridge inverter without through current Half-bridge inverter in charger Half-bridge converter U Semiconductor digital sign indicators COICOP46 Semiconductor digital sign indicators KIPTs46 with sign sizes from 7,5 to 14,2 mm Users of energy-saving lamps Electret microphone interference Anti-jamming car alarm CMOS noise immunity Anti-interference dynamic controller Do walls help sound? Auto electrician assistant Step-down DC-to-DC converters Threshold switch Portable radio in the car Portable pH meter Portable Applications Last mile ADSL Serial or parallel? Sequencing flashing LEDs Let's listen to the radio on FM, but 50 or 75? Persistent storage devices Fixed inductors of the EC24 series Constant kinescope heating Why bad sound at low frequencies? Mailbox is checked by electronics Singing Plasma and Tesla Coil The truth about the absolute UMZCH S. Shpak Proper power supply of an electrodynamic flashlight Metal dressing by rolling Festive LED garland Preamplifiers on TDA1524 and HLM1036 Preliminary ultrasound on microcircuits of the K174 series Preamplifier with tone block Bass guitar preamp Dynamic microphone preamp Preamplifier with active transistorized volume and tone controls Charge Storage Converters Converter 220 - 220 V for setting up devices galvanically connected to the network by connecting two transformers of the same type in series Power Tool Converter Voltage transformer Voltage doubling converter Converter of seven-digit code to binary-decimal Frequency converter for asynchronous motor Charger interrupter Breaker for boiler Breaker for heater pump Breaker for turns Device for selecting pairs of transistors Device for testing field-effect transistors Device for checking telephone sets Reception of MMDS programs Receiver without power 900 - 1800 MHz band receiver A receiver made of cubes, built according to the block principle on K118 series microcircuits. Inductive channel receiver. A device for wireless communication using an inductive loop connected to the UHF output Receiver direct amplification SW receiver Use of activated water Application of IC 1014KT1A Application of K17IE18 Application of the CMOS Schmitt Trigger The use of linear DC stabilizers The use of microassemblies of the K190 series The use of substandard triacs KU208G The use of substandard triacs with unreliable operation at mains voltage in a low-voltage beacon on car lamps The use of boost converters Step Down Converter Applications Forced airflow for refrigerator How GSM networks work Attachment for additional discharge of Ni-MH batteries Prefix for measuring R Attachment for measuring the coefficient of non-linear distortion according to the vector diagram on the screen Attachment to the M-830 multimeter for measuring inductance Attachment to the M830P multimeter for measuring inductance Prefix to a digital multimeter for measuring temperature P-SK-D-5-1 prefix - UHF amplifier Prefix-frequency meter to the multimeter Attachments for Kg RF playback problem Discharge Indicator Probe Probe for testing radios Probe for checking spark plugs Probe for testing transistors on 2 microcircuits of the 561 series Transistor probe Probe for electrical circuits Radiotelemaster probe Mains voltage tester Thyristor health check Checking inductors Checking operational amplifiers Checking the remote control with a multimeter Check the gap between the contacts of the breaker and save on gasoline Wired CDS Program for converting decibels Program for calculating fuse melting current The program for calculating the oscillatory circuit EEPROM Programmer for PC AT89C2051 programmer for IBM PC PICmicro microcontroller programming Programmable 32-channel serial CDS Programmable CDS with serial interface Program block Continuing field research in Word 2007 Loudspeaker design Designing an electronic thermometer Is the water in the aquarium clear? Transparent UMZCH CD player Proportional fan control Simple directional antenna for CB band Simple security for a summer residence Simple charger for car AVs Simple security device Simple anti-theft device Simple time relay Simple answering machine Simple analog timer A simple audio frequency generator Simple buzzer Simple receiver for 80m range A simple receiver with an unusual setup Simple network splitter Simple heatsink calculation Simple bearing puller A simple timer for a refrigerator based on two single vibrators to replace a failed thermostat Simple thermostat Simple ultrasonic detector Simple UMZCH Simple Broadband Signal Detector Simple FM Antennas Based on Double Double Square and Double Inverted Vee Simple power supplies that can use almost any transistor of a suitable structure Simple Okhrana Simple alarms Simple dedicated receivers Simple UMZCH class A Car anti-theft system with a hidden toggle switch and fuel shut-off with a solenoid valve Anti-theft device Anti-theft device for a tape recorder in case of unauthorized activation Anti-theft device. A device that blocks the operation of the engine in the event of an unauthorized start of movement SUBWOOFER channel processor for extracting low-frequency components from stereo signals to form an overall low-frequency channel Pseudo subwoofer in the car Remote controls Remote controls. Latest remote control modifications Remote controls. IR TV remote control system. Description of the schemes of remote controls of the first modifications Starter charger ballast Let the Christmas tree lights live longer! Bee venom using Jadwiga-12 Dust - Kashcheev's computer needle Piezo buttons Piezoelectric effect in service We work in Linux We work in Linux: Wine, or Programs for Windows are suitable for Linux We work in Linux: editors, archivers, multimedia Working on Linux: Gnome and KDE GUIs Working in Linux: command line and its configuration microprocessor heatsink Amateur Radio Antison Amateur radio montage Amateur radio UZCH Amateur radio flashlight for illuminating hard-to-reach mounting points Amateur radio frequency counter FM radio beacon Wireless microphone LIEN Radio microphone 75 MHz with FM Toy radio microphone 27 MHz radio transmitter and receiver for demonstrating radio communications Barkhan radio receiver Ant radio receiver Free energy powered radio Radio communication for tourists and climbers: answers to questions Radio communication through... Earth Radio station on the 27 MHz band CB radio station 27 MHz. Vector-02 Radio station SV-band Vector-02. The principle of operation of the main nodes Radiotelephone interface for simplex radios Radio Engineering Laboratory of the Automation and Telemechanics Association Radio engineering mosaic Radio control of models according to the MSRF system RFID RF Power Amplifiers Radio frequency spectrum, its distribution and use rainbow on screen TV signal splitters Development of internal combustion engine ignition systems Active speaker crossovers Demagnetizing choke in 10 minutes from a TVK or TVZ transformer from outdated black and white tube TVs Screen saver development Discharger for Ni-Cd batteries Stealth connector Hall sensor flow meter Fuel flow meter for cars Calculation of output transformers of lamp UMZCH Calculation of output transformers for lamp UMZCH. Calculation of the output transformer for a single-cycle cascade on 6P3S lamps Calculation of output transformers for lamp UMZCH. Calculation of the transformer of the RF channel of a two-way tube amplifier Calculation of output transformers for lamp UMZCH. Calculation of a transformer for a two-channel cascade on 6PZS lamps Calculation of output transformers for lamp UMZCH. UMZCH circuit with an unusual inclusion of lamps Calculation of filter chokes Calculation of the protection of the output stage UMZCH Calculation of parametric stabilizers Calculation of transistor stages Calculations using Microsoft Office Excel Relay expansion Stereo Extender Rout. UMZCH according to the table Resuscitation of Chinese radio tape recorders Resuscitation of the remote control keyboard Resuscitation of radio tubes Resuscitation of the Benq-5000UD scanner Resuscitation of the washing machine Canon Inkjet Cartridge Restoration Resuscitation Elikon Reverb from ... illiquid Reversible logic level regenerators Reversible LPM motor. Refinement of the engine from the LPM of the tape recorder to change the direction of its rotation Battery regenerator Regulation of the transfer coefficient of amplifiers on the op-amp Adjustable Signal Amplifiers Adjustable voltage converter Adjustable LED Light Adjustable AC Adapter Stabilizer Adjustable zener diode TL431 Adjustable zener diode K1242ER1 (A...E)P, T U regulator for halogen lamps Refrigerator operating time controller Power regulator Power regulator - photorelay Table lamp power regulator Power regulator on IC MOSFET Power Regulator Transistor Power Regulator Soldering power controller Discrete setting power controller Electric heater power regulator Voltage regulator AMS1117A-xx-1A Bicycle voltage regulator Fan speed controller Power tool speed controller Microdrill speed controller on a PIC controller Minidrill speed controller Drill speed controller Dimmer for K145AP2 Camping lamp dimmer DPT speed controller Tone control Op-amp tone control Temperature controller for automatic temperature maintenance with high accuracy in the range of 5 ... 300 ° C Wiper Frequency Control Regulators 14IVR-00, 14IVR-01 for car generator Volume and tone controls in UZCH Charging current regulators Power regulators on a thyristor-transistor generator Electric motor speed controllers Network adapter redundancy. Low-power AC adapter for powering always-on equipment with automatic transfer to a backup battery Cutter instead of a scalpel Rubber cassette for batteries Resistor matrices - from discrete resistors Resistor soldering iron Resistors DVD Burning Guidelines Relaxation oscillators on IN-3 lamp Time relay Time switch for bathroom Time relay for lamp Time relay for heat guns Time relay from alarm clocks. On / off timer for various household devices on two microcircuits and two electronic alarm clocks Time relay on 4 transistors with load commutation by a thyristor and its disconnection after a time delay (0...5 hours) Time relay on CMOS chips Time relay on KR1182PM1 Time relay on the K547KP1 chip for measuring instruments Long time relay Electric drive timing relay Relay for photo printing for calculating homemade fuses made of copper or aluminum wire Wiper Pause Relay MOSFET turn relay Repair 830 Akai repair Repair of the antenna of a portable VHF radio station Sony PLAYSTATION-1 power supply repair Power Supply Repair Repair of power supplies for monitors and computers Panasonic M7 camcorder repair Telephone ringer repair Repair of Horizon-673. Typical TV malfunctions and how to fix them Repair of dynamic heads Repair of a dynamic head in case of a broken wire on the diffuser or in the voice coil MPEG4 charger repair Repair of the memory of radiotelephones Repair of imported TV: where to start? KPI repair Repair of threaded fluorescent lamps Repair of powerful woofers Oscilloscope repair Repair of deflecting systems Soldering iron repair EPSN Remote control repair PCB repair PCB Repair Repair vacuum cleaner LG Turbo 1400 Horn loudspeaker repair Repair of CD players Assembly repair UPCHZ-2M Tester repair Repair USU Reton Repair of black and white TVs Loop repair in a radiotelephone Repair of electronic ballast of energy-saving lamps Repair of Eletapov Restoration of a cassette player Restoration of potentiometers by galvanic deposition on the damaged area of the copper layer Retro UMZCH for a subwoofer on a 2-coil head reflectometer Reversing voice alarm SmartArt in Microsoft Office documents Robot with light beam control Pink noise for tuning Rhomboid UHF antenna Russian breathalyzer Initially Rus flashlight pen Manual start of a fluorescent lamp RFC of a powerful engine With a microcontroller - to life! With electronics, all our fish! Subwoofer sabsonic Resettable fuse Homemade antenna for a portable VHF radio station Homemade tuning knobs Homemade toroidal cores Homemade phototransistors Homemade CD and DVD Envelope Welding transformer Drilling machine Ultra-fast op amp ADA4857-1YRZ Subminiature Diodes Super-regenerative HF-VHF receiver on a single transistor Super-regenerative receiver for operation in the range of 27...30 MHz with AM Ultra Wideband Amplifier Super bright LEDs Light in semiconductors The light turns on the sound Light from semiconductors. Main parameters of lasers Light from semiconductors. Fundamentals of Light Emission Processes by Semiconductor Structures. Physics of processes in the LED Light from semiconductors. LEDs of visible and IR radiation, parameters, principle of operation of a semiconductor laser Lamp on SMD LEDs Light signaling for ghost car Light mini-organ on LEDs Light remote control Light signaling device for telephone Phone call indicator light Light-dynamic device traveling wave LED lamp for flashlight LED flasher LED Reader LED CMU LED lamp LED flashers Extended Scale LED Voltmeter LED voltage indicator Mains voltage LED indicator. Device for visual control of mains voltage LED cluster LED night light with touch switch Switch Position Indicator LED LED flashlight LED flashlight on MAX1674 light and sound generator Light and sound signaling device Light and sound signaling device for overheating Light and sound signaling devices Light and music prefix Light and music device billboard dimmer Lighting application of LEDs LED candle Your website on the Internet - it's easy! SW radio station Microwave divider for frequency meter Dual low noise op amp LM7732 CDU Running Lights CDS with serial interface Secrets of printed wiring The section of technical literature of the Russian Interregional Union of Writers is working! Distortion selector to compensate for non-linearity UMZCH Seeds + microwave oven =... Fan sensor Sensor+trigger include sconce Soldering iron touch off Touch Control Touch control sconce Touch switches Touch contacts Touch switches Touch switch on a TTL-chip K155TM2 (2 D-flip-flops), 3 transistors and a relay Touch controller Touch light and sound signaling device Touch toggle switch Touch flashlight with timer Battery service Soldering service Silver plating of conductors. Description of the technological (galvanic) process of silvering based on thiocyanate electrolyte Silver water Silver ionizer Mains rectifier with current multiplication network sensor Surge protector not only for PC Network filters Alarm - for all occasions Emergency oil pressure alarm in the car engine lubrication system with light and sound signals Power indicator Dimension switch signaling device Headlight indicator Fire alarm Milk boil alarm Alarm Close refrigerator AB charging indicator Short circuit alarm for power supply Short circuit alarm from Chinese call Mail presence indicator Night attack alarm Wash end indicator Power outage signaling device Gate opener Power failure signaling device on a CMOS microcircuit, triggered when the controlled parameter leaves the control zone Overheating alarm High voltage alarm Watering alarm On-board network overvoltage signaling device Overcurrent alarm Tuk-tuk signaling device Signaling Alarm with capacitive sensor (metal door handle) Power switch with galvanic isolation braided power wire Symbiosis of two Chinese High Power Triac Regulator Triac controller for welding machine Triac power controller Triac power controller for symmetrical three-phase load based on triacs and solid-state optothyristor relays from Shad. Frequency synthesizer TSA6060 VHF Frequency Synthesizer Low Distortion Sine Oscillator Sinusoidal generator on a digital chip K155LA3 and an inductor Synchronous rectifier on an electronic key Synchronous receiver on the 27 MHz band Synchronous VHF receiver Motronic fuel injection system MACROVISION protection system UMZCH protection system Microwave communication system Three-column deaerator control system Scanning receiver P-45 SK-M-24 instead of PTK High resolution screenshots Satellite TV Dictionary Hearing aid Hearing aid from player Smartphones and communicators Offset in UMZCH, or something unknown about the known Reducing interference in IP UMZCH Reducing the power consumption of CMOS devices The phone rang again Again about the ballast capacitor dog locator TV Repair Tips Metal Compatibility Combined indicator Modern integrated voltage regulators from National Semiconductor Modern fuses Coordination of CB radio stations with an antenna Coordination of a telephone line with UZCH Antenna matching and balancing devices TV cable connection Let's create our server Creating form documents using Word 2007 Creating Integrated Documents: Merge Building Ported Applications: Free Solutions Solar battery Solar battery from illiquid assets (faulty and obsolete transistors or photodiodes) Solar cells RF lead resistance Pairing Siemens CF75 with PC Sparklines: A new express data analysis tool in Excel 2010-2013 Lifebuoy for UMZCH Orion Speedometer on a bike Method for Cleaning Excel Files How to repair a network soldering iron W-series satellites EUTELSAT W-series satellites Satellite navigation Satellite TV in every home Satellite operator NSAB Medium Wave Direct Gain Receiver Means of online communication: Skype in focus Engine stabilizer Power stabilizer on PICe Stabilizer on A52830 Voltage stabilizer for UMZCH on TDA2030 Voltage regulator on LX8384-00CP Voltage regulator on PIC Voltage stabilizer on K174UN7 CMOS Voltage Regulator MOSFET Voltage Regulator Voltage stabilizer with double protection Voltage stabilizer with LED AC voltage stabilizer AC stabilizer. Current regulation from a few milliamps to 8 A Mains voltage stabilizer Current stabilizer 0…300 mA Speed stabilizer Speed stabilizer LPM Flywheel speed stabilizer LPM LPM engine rotation stabilizers AC Voltage Stabilizers Voltage stabilization of adapters Bias Voltage Stabilization FET zener diode Stable timer on KR1006VI1 Television broadcast standards PCB drilling machine Board drilling machine HUMAX 5000 Series CTV Tuners Capacitor reject stand Stereo TV Stereo amplifier 2x70 W on integrated circuits Hi-Fi stereo amplifier from the market Stereo amplifier on TDA8943SF Stereo amplifier with SPDIF input Stereo UZCH in a case from a PC power supply Stereophonic FM broadcasting C-tester Stimulation of plants with current Washing machine in the village Ultrasonic washing Should I buy an R-DAT digital tape recorder? stop air conditioner Watchdog for a telephone to monitor the telephone line and signal illegal connection to it Guardian with memory Stroboscope for controlling the ignition timing of an engine based on a gas-light lamp flash strobe light Stepped charger/discharger SU for blowing plastic bottles Twilight photorelay Supercomputers Super bright LEDs Battery voltage control circuit with 3 transistors and 2 LEDs Voltage and current control circuit Circuitry of tube stage amplifiers Sliding ruler for decibels Counting command device Counter - power meter Counter 561IE8 in fire simulators Counter of visits (opening doors, windows, etc.) Odometer for video player. Ribbon Remaining Control Event counter Table of parameters of transformers TA281...TA288, TA1M...TA54M Multiplication table in the performance of the microcontroller Timer Timer 555: circuitry features Boiler timer Poultry Feeding Timer Alarm timer Timer from TsAT-01 watch Timer on D-trigger Timer all night Timer on ATMEL microcontroller Timer based on the KR512PS10 microcircuit and K561 series microcircuits. Provides exposure from 30 s to 9 hours Multimeter off timer. The circuit for 2 ICs automatically turns off the multimeter after 8 ... 9 minutes Automatic timer to turn off the TV 20 seconds after switching to standby mode Secrets of tube sound Are CDs really that old? These watches are not to be missed! Electronic alarm clock based on 176 series microcircuits with LED displays as indicators Solid State Relays TVS instead of TDKS Tags: file system alternative? High definition television TV antenna for short range reception Television multiplier for the ionizer (Chizhevsky's chandelier) based on TVS-110 and modified UN9/27 multiplier Teletext in Horizons: CTV-601 (MTD-501) Teletext in Horizons: MDT-655 Teletext in Horizons: MDT-656 and MDT-690 Teletext in Horizons: MDT-700 Phone without wires. System for going on the air to the city PBX through a home phone Telephone communication for two subscribers Telephone switch telephone watchman Temperature sensor with potential output AD22100 Thermal calculation of radiators Thermal calculation of radiators. The main conditions for obtaining efficient heat removal are given. Thermal calculation of radiators. Examples of calculations for various radiators Thermal calculation of radiators. Calculation of a pin (needle) radiator Warm table Theremin Thermal compensation of kilovoltmeter resistance. Method for selecting and recalibrating resistors that form the additional resistance of a kilovoltmeter Thermometer on KR572PV2 Thermometer on microcontroller Thermometer with sensor on DS18B20 Resistance thermometers Temperature controller Temperature controller for incubator Thermostat for mini-incubator Temperature controller for low voltage soldering iron Temperature regulator for a vegetable store (0...100С) Soldering iron thermostat Temperature controller not only for the beekeeper Temperature controllers for an incubator Thermistors Thermal relay Thermal relay for fan Basement thermostat Sauna temperature alarm Shower thermostat. Switches the heater with a power of up to 3 kW and maintains the temperature in the tank in the range of 25 ... 45 ° C Thermostable pulse generator Thermostable shunt Oil cooler thermostat Heat-shrinkable tubing Thermoelectricity Test disk instead of a generator for adjusting various electronic equipment Tester for checking LED sign indicators (AL305, ALS321, ALS324) Tester for checking the phasing of transformers on a thyristor, transistor and 2 LEDs ATC pulse tester ATS pulse tester. Small-sized device on 6 microcircuits for control of impulses of automatic telephone exchange Logic level tester Two piece remote control tester Electric smog tester Testers of radio components and batteries Linkwitz test signals Bluetooth technology Typical circuits for switching on operational amplifiers Thyristor ignition system Thyristor load switches Thyristor timers Thyristor machine for landing Thyristor motor speed controller Thyristor regulator with stabilization to maintain a given mode on the load (heaters) with a changing mains voltage Thyristor welding machine Thyristor electric drive Quiet Alarm Trademarks of EC manufacturers Then we connect through the inverter Current load on tracks Current load on wires Current relay with Hall sensor Current shunt to multimeter Conductive adhesive based on urethane adhesive and graphite powder Current stabilizing diodes Thin stranded cable Transmit/Receive Tone Fuel injector Toroidal cores made of transformer iron Toroidal Welding Transformer Spot electric welding of 6 power transformers TS-270 and demagnetization loops Transistor KT538A Transistor sound. Analysis of the causes of specific distortions in transistor UMZCH Transistor analogue of a zener diode MOSFET transistors Transistors KT8212A, B, V Transistors KT8214A, B, V Transistors KT8215A, B, V Transistors KT8248A, A1 Transistors KT8270A1 Transceiver for MW communication Transcoder PAL-SECAM on 3 chips and 9 transistors Remote control command transcoder. RC-5 (RC-6) remote control command converter to VCR control codes with another command system Transformer with greetings from DRL Transformer UMZCH without general environmental protection Transformers from tube TVs in memory Power transformers type TA (TA1...TA43) TA power transformers (TA137M...TA181M) Power transformers type TA (TA281...TA288, TA1M...TA54M) TA power transformers (TA170...TA238) TA type power transformers (TA239…TA280) TA power transformers (TA44...TA169) TA type power transformers (TA88M...TA136M) TA type power transformers. Design tables, housing drawings and operating conditions Power transformers type TAN Power transformers type TAN (TAN1...TAN40) Power transformers type TAN. TAN125...TAN138, TAN1M...TAN54M Power transformers type TAN. TAN41...TAN68, TAN104...TAN124 TN power transformers. ТН1...ТН61 TN power transformers. TN2M...TN57M Power transformers type TPP Transformers matching TOT Transformers, rectifiers and filters Power Alarm Alarm device Training receiver for sports direction finding Three-terminal feed-through capacitors Three-channel operational amplifier LMH6733 Three-channel stereophonic mixer from functionally complete modules. Three-channel stereo mixer. Diagrams of summing amplifiers, output indicators and power supply, printed circuit board drawings XNUMXD sound Three-phase motor in a single-phase network Three-phase motor in a single-phase network using two capacitors Tricolor indicator Three lotions Cherokee Three simple PSUs Trigger call receiver TRIZ, naming and amateur radio jokes Tricolor TV - television for remote areas Thrash metal distortion for electric guitar TTL-compatible CMOS logic of the 74NST family Tuner for tuning the guitar Tuning... audio equipment Increasing Rin element TTL Enlargement of the zone of ultrasonic repellers Increased service life of galvanic cells Aquarium pump humidifier UHF on field-effect transistors KP350 Let's hit the Segway on Amazing Discharge RC Circuit Pager Extension Extension cord for radiotelephone Load turn-on delay unit Sound signaling unit UZCH without a deficit UHF for 100-watt subwoofer UHF for USB-powered headphones UHF for stereo phones on AD822AN UZCH from the remains of the radio UZCH Mono-05 UZCH on TDA UZCH on the chip K174UN7 UZCH on three transistors with a gain of 138 dB (7,6x106) Water level indicator in the tank VHF receiver VHF FM probe VHF antennas VHF receiver 1066-R VHF stereo receiver on chips from imported radio tape recorders Decorate the document with diagrams Decorate the Christmas tree with lights Improving Internet connection when using a 3G modem Automotive Fuel Improvement Improved sync selector performance to eliminate curvature of vertical lines at the top of the image Improving line filtering from switching power supplies with industrial line filters Alarm improvement Improving the characteristics of operational amplifiers Frequency Counter Improvement to Increase Input Impedance and Sensitivity Ultrasound - assistant ultrasonic washing machine Ultrasonic detector Ultrasonic receiver with frequency division of the input signal We reduce the appetite of the transformer UMZCH on two K174XA10 UMZCH on complementary field-effect transistors UMZCH according to the precepts of Marantz UMZCH with virtual depth on three transistors UMZCH with power indicator UMZCH with combined frequency-dependent OOS UMZCH with current OOS UMZCH with current OS UMZCH, transformer, speakers UMZCH-2011 - Hi-End class amplifier Multiply voltage UN at OS with servo supply Universal time relay Universal photo relay Universal acoustic sensors Universal Breadboards Universal PIC controller Universal machine Universal charger for mobile phones Universal sound probe Universal Measuring Instrument Universal IR Switch Universal indicator for monitoring DC and AC voltage, health of resistors, capacitors and semiconductor devices Universal case Universal low-noise microphone amplifier Universal probe Universal transistor tester Universal digital indicator Universal Dummy Load Unique - for vinyl Unified Universal Power Transformers microcontroller packaging machine High frequency microwelding control Collector motor control Chandelier control from the remote control Control of a powerful field-effect transistor Managing New Horizons Lighting control with remote control Pedal control Strobe control in photography. Timing device for strobe lights used to photograph the movement of small objects Battery operated tricycle Easy PC control Barrier control with remote control Controlled voltage regulator TL431 Controlled current stabilizer on a TL494CN chip control box for multimeter Calculator Hardening Simplified calculation of multilayer coreless coils IF FM with detector Dynamic microphone amplifiers Power amplifiers in the car Amplifiers on the LM1875 chip Conductivity amplifiers Playback amplifier on a LA3161 chip for upgrading cheap tape recorders MOSFET Headphone Amplifier Amplifier for radio Amplifier for stereo phones Amplifier for ultrasonic locator UHF amplifier with balanced input precast amplifier Pulse amplifier based on thyristor analog Amplifier young radio amateur Power amplifier range 30...1000 MHz 27 MHz power amplifier Amplifier on STK4048II Amplifier on TBA820M Amplifier on K284UD1 Voltage amplifier with active non-linearity compensation Amplifier inspired by Hauksford Amplifier with AGC Photosensor Signal Amplifier Amplifier-corrector RIAA Amplifier-corrector for vinyl Amplifier kit for intercom Symbols of domestic microcircuits Installing WINDOWS XP after WINDOWS 7 Elimination of fading in VHF receivers Elimination of contact defects. Contact recovery technology in spade connections Elimination of the effect of transistor sounding of powerful UMZCH Starter lock devices Mosquito repellent devices Sensor control devices Devices on a thyristor-transistor generator Emergency water shutoff device Interior lighting switch Program selector - analogue of a multi-button switch with dependent fixation Accumulator charging and training device Battery maintenance device Load soft starter Power Soft Starter Device for searching for biologically active points Switch-off delay device Light off delay device Speaker protection device Network surge protection device Consumer protection device LED protection device The device and repair of telephone sets. Device for multi-channel two-wire communication between several subscribers Independent load switching device Lighting soft start device Wired communication device between two subscribers Communication device for two subscribers Motor noise reduction device Traffic light control device Hearing protection device UV LEDs in the disco Let's go to the clouds Accounting for measurement error Phase distortions in UMZCH and the fight against them Phase power regulator Phase inverter for bridge amplifier Phase inverter or closed box? Phase meter Phase shifter for DF receiver File archives and watchmaker Filter for speakers without capacitors Low volume filter Refrigerator Power Filter Power filter not only for PC RFI filters to suppress interference generated by the vehicle ignition system or thyristor circuits in power regulators Foul of last resort for chips Flashlight on timer 555 tourist flashlight Formatting Home Device Batteries Formatting flash drives to NTFS and FAT32 3-phase voltage conditioners Short pulse shapers Negative voltage driver Photosensor for turning on the lighting Photosensor on the Schmitt trigger Photodiodes Photoresistors Emergency lighting photo relay Photorelay in the alarm clock Photo relay for outdoor lighting Photo relay for every taste Photorelay on a transistor photo signaling device LED photo torch Photoelectronic signaling device function generator Characteristics of high-speed CMOS logic MM74NS Chemical power sources Cunning malfunction of USCT TVs Tricks with motion sensors Tricky bug Cold from Peltier elements Does the fireplace burn well? Flux storage Chronicles of the XX century. 80 years of Christadin Chronicles of the XX century. History of vacuum tubes Chronicles of the XX century. At the origins of broadcasting Chronicles of the XX century. Facts and legends about lamps Musical flasher Color-musical lighting from a car headlight to illuminate the Christmas tree Color music device with audio interface Color and music alarm clock Color-music indicator Tsvetokhaos with security Sorel cement Cyclic timer Digital scale for the receiver on the LC7265 and LB3500 LB3500 chips for indicating the AM and FM bands Digital memory - automatic Digital radio Digital television Digital color dynamic device High Accuracy Digital Voltmeter Digital white and pink noise generator Digital AF Generator Digital sine generator on shift registers Digital voice recorder in radio security and alarm systems Digital sound Digital capacitance meter Digital tuning fork digital megaphone Digital ohmmeter-calibrator Digital oscilloscope (who needs one?) Digital radiometer + pedometer with digital display Digital controller Digital dimmer digital light rhythm Digital sound effects synthesizer Digital speedometer + clock and thermometer for car Digital timer on the K561IE16 chip with a maximum exposure of 10 days Digital thermometer with two sensors Digital thermometer on LM75AD sensor Digital thermostat Digital thermostat Digital Incubator Thermostat Digital UMZCH Digital Frequency Multiplier Digital phase meter on a microcontroller Digital frequency meter with reading memory on microcircuits KR1533 and K555 series HOT BIRD satellite digital channels Digital keys and multiplexers in analog devices Frequency probe Frequency meter Frequency counter on one chip Watches on 100 mm indicators Clock on large LCD What is missing from the Len-V radio station? Man and computer How to wind a transformer? board ink Quarter Wave Omnidirectional Antenna for 2,4 GHz Band Four-channel integrated UMZCH on TDA7375 chips Four channel stereo mixer Four-bit decoders for K561 The number of turns of the transformer windings Reader ROM microcontroller AT89S2051 What a beast of a feedback. Pulse and sinusoidal generators What a beast of a feedback. On the principles and features of the action of feedback in amplifying devices What can old zener diodes do? What can a mouse do without a computer? What can a LED probe do? What is GPRS What is an iPod? Let the garlands flicker! Pulse generator on a unijunction transistor or its analogue To work with video Sensitive electronic relay Sensitive beating metal detector Steps to a smart home Shaman dances around the kenotron barrel organ PWM modulators for garland control Spikes for speakers Wide range 3-phase voltage generator Wide range capacitance meter Wideband VHF receiver Broadband RF Amplifier Broadband Incident and Reflected Wave Sensor Broadband PA for television broadcasting Broadband UMZCH Wideband FM receiver on K174XA26 Pulse Width Modulator Jewelry box Ural gems Squelch for pocket radio Click noise in amplifiers Probe measuring instruments Probe control Probe oscilloscope Probes for measuring instruments Evolution of CDs The evolution of transistor UMZCH The Evolution of Electronic Amplifiers (Brief Historical Background) Equalizer for car radio Daewoo Exotic vinyl correctors Economy Relay Economical avometer for measuring currents, voltages and resistances Economical Low Dropout Regulator Economic thermo-hygrometer Economical UMZCH with pentode sound Exponential Charger Exponential memory for Ni-Cd batteries Rapid detection of RBX input impedance of analog meters Express electrolyte check Electric lighter against gas explosion Electrical parameters of digital meters type UT200X, DT266, DT830 Electric boots DPM series electric motors DPR series electric motors UAD series electric motors Electric motor 4DKS-8 Electric motor 4DKS8-M Electric motor D2-03 Electric motor DM-0,3-3A Electric motor DKM-1 Electric motor DKS-16 Electric motor DM-0,3-3 Electric motor DRV-0,2D Electric motor M-1D (M-1DA) Electric motor MK-2 MSH-2 electric motor Electric motor UV-041-MS Electric motor UV-051-PS Electric motor UV-051Ts Electric motor UV-052Ts Electric motor UV-062 Electric motor UD Electric motor EDPM EP electric motor EPS electric motor Electrolyzer for electroplating Electromechanical generator Electromechanical AC Voltage Stabilizer Electromechanical timer Electronic butterfly Electronic drum kit Electronic star Electronic game Who is the first? UFO electronic toy electronic vine electronic bird Electronic roulette with LEDs electronic siren Electronic scale for receiver Electronic ignition Two piece electronic ignition Electronic ignition with plasma effect Electronic ignition. A device on a single transistor that improves the operation of the contact ignition system of a car Electronic relay for car alarm Electronic relay on a thyristor-transistor key Electronic Latches E-books Electronic fuses Electronic volume controls Electronic tutorials and guitar electronics Electronic filters for rectifiers Electronic autotransformer on a powerful transistor. Adjustment range 0...218 V Electronic ballast for fluorescent lamps Electronic ballast for fluorescent lamps Electronic control unit for motorcycle The electronic block of the clock in the hands of a radio amateur Electronic bodyguard Electronic hydraulic level Electronic butler for fridge Electronic moisture meter electronic cactus Electronic switch for VAZ Electronic metronome Electronic dog from the player Electronic dog on ROM Electronic ignition of the mixture for Zaporozhets to facilitate starting the engine in cold weather Electronic gatekeeper Philips electronic control gear Electronic volume control for caller ID Electronic rheostat Electronic watchman Electronic office watchman Electronic timer Electronic transformer Electronic power transformer Electronic Trainer Night Racing Electronic toggle switch for network switching based on optocoupler and D-flip-flop 561 series Bicycle electrical equipment electric blanket Electric welding electrostatic chandelier Electrical stimulators H. Clark: three variants of electrical stimulator circuits with printed circuit board drawings Energy-saving lamp... flashing! Energy-saving and conventional lamps. Big difference? Energy-saving lamps: repair tricks Energy-saving lamp with motion sensor This little-known LA18 The memory effect is removed by a voltage boost Efficient use of multilayer ceramic capacitors Efficient AM modulator Anniversaries 2008 and MPXNUMX players Anniversaries 2010 Jewelry holes in the board Yamal - Russian satellite communication system
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