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Alphabetical list articles with annotations, from magazines published in 2005 in the journal Electronics News:
DRIVERSEL - a new program for automatic driver selection
SEMIPACK 6 - new thyristor and diode module with current up to 1200 A and voltage up to 2200 V
Variable Gain Analog Temperature Sensors
Non-contact position sensors based on Hall effect and magnetoresistive effect from HONEYWELL
Wireless communication using WAVECOM GSM/GPRS modems
Lead-free technology or lead-free life
Bistable (cholesteric) displays
WEBENCH virtual designer from NATIONAL SEMICONDUCTOR
Choosing tools for AVRs
Light sensors HDSL-9000 and HDSL-9001
Ultra low pressure sensors from the SURSENSE™ series
Custom Displays
LCD display for three-phase electricity meters
Switching converters for driving LED lighting in ultra-compact housings with 8 kV ESD protection
Instrumental ADCs manufactured by TEXAS INSTRUMENTS
OMRON Smart Sensors
OMRON Smart Sensors (Part 2)
NEWTEC is a new name in the Russian LCD market
LCD controllers and drivers
Lab Power Supplies for Developers
Linear network adapters of universal application with a power of 3 and 7 W for budget solutions
Microcontrollers TEXAS INSTRUMENTS - development prospects
Microprocessor COLDFIRE® MCF5205
Microchip for monitoring analog voltages with JTAG interface
Monitoring and control of supply voltage sequence in high reliability systems
Powerful insulated LEDs produced with lead-free technology
NF406 Class AB Powerful Low Frequency Amplifier
Multi-phase power controller IR3082
Inexpensive in-circuit emulator for debugging 8-bit ST7 microcontrollers
New version of the program for automated thermal calculation and selection of elements: SEMISEL V3.0
New VAMPOWER Family Graphics Card for Industrial Multi-Display TFT Applications
New Real Time Clock IC with Unparalleled Accuracy
New product line: digital photopulse encoders
New line of B6CI power modules
New chip for comprehensive monitoring of lithium battery parameters
New platform for the development of smart electricity meters
New series of 4-channel UARTs in miniature packages
New Low Power ZIGBEE Solution for 4 Nodes
New software for developing multi-platform systems
New ADC family of 36 converters
New 16-bit digital signal controllers
New rectifier modules of the SEMIX® family for direct connection of an IGBT inverter to an output rectifier bridge
New High-Performance, Low-Power MCUs in the AVR® Family
New high-efficiency SUPER NOVALED™ LEDs in PLCC2 packages
New MEAN WELL power supplies for industrial automation systems
New microcontrollers TMS470
New microcontrollers of the LCD AVR family
New SEMIX TRENCH IGBT 600V modules with increased operating temperature
New PWM/PWM DC/DC converters
[1] [2] [3]
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In a modern technology world where distance is becoming increasingly commonplace, maintaining connection and a sense of closeness is important. Recent developments in artificial skin by German scientists from Saarland University represent a new era in virtual interactions. German researchers from Saarland University have developed ultra-thin films that can transmit the sensation of touch over a distance. This cutting-edge technology provides new opportunities for virtual communication, especially for those who find themselves far from their loved ones. The ultra-thin films developed by the researchers, just 50 micrometers thick, can be integrated into textiles and worn like a second skin. These films act as sensors that recognize tactile signals from mom or dad, and as actuators that transmit these movements to the baby. Parents' touch to the fabric activates sensors that react to pressure and deform the ultra-thin film. This ... >>
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| Random news from the Archive Nicotine and Hummingbird
13.05.2009
Tobacco flowers regulate their pollination using two chemicals, benzylacetone and nicotine, as researchers at the Institute for Chemical Ecology in Jena, Germany, have found.
Benzylacetone, which has a sweet aroma, attracts pollinators to the flowers, which in the homeland of tobacco are hummingbirds and butterflies with a long proboscis that can reach the bottom of the flower, where sweet nectar is secreted. However, the nectar contains an admixture of bitter nicotine, so that after tasting the bittersweet juice of the flower, a somewhat disappointed pollinator flies to another specimen of tobacco, hoping for good luck and feeling the pleasant smell of benzylacetone.
It is beneficial for tobacco that a hummingbird or butterfly fly around as many plants as possible, transferring and mixing their pollen (this ensures greater genetic diversity of offspring). The researchers genetically engineered three varieties of tobacco plants: one without nicotine, one without benzylacetone, and one without both.
Experiments conducted with these varieties and normal wild tobacco in the southern United States have shown that hummingbirds and butterflies get stuck on flowers without nicotine for a long time, drinking all the nectar, and do not try very hard to change the feeder. Flowers without benzylacetone attract only hummingbirds. Birds need only see a familiar flower to fly to it for nectar, while butterflies, with their less acute eyesight, also need the smell of benzylacetone.
The pollen of plants devoid of both substances spreads almost five times slower than the pollen of normal wild tobacco. So tobacco needs both aroma and bitterness.
|
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