Free technical library. Articles from Radio magazine, 2002

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Alphabetical list articles with annotations, from magazines published in 2002 in Radio magazine:

April 12 - Cosmonautics Day. Radio amateurs aboard the ISS

May 9 - Victory Day. May 7 - Radio Day

Balun or not balun?

Dendy is a TV test signal generator. A new version

DREAMCAST - 32/128-bit video set-top box

DREAMCAST-32/128 - bit video set-top box

DX communications in meteor showers 2001-2002

IRC mail coupons

ISD4004-16M - Single Chip Voice Recording/Playback System

MCH-405 in TV Record - VTS311

PIC controller in car clock

PIC controller controls the electric motor

PlayStation: history of development

TV Siesta-J-3128

VIPer-100A and a pocket charger based on it

VOX for FT-840M

Automatic light switch in the hallway

Automatic protection of radio equipment from overloads when turned on

Kitchen ventilation control

Automatic lighting control

Aquarium automation

Autotransformer automatic load break switch

Automatic light switch

Automatic charger

Engine heater

Automatic OZ angle regulator on K1816BE31

Automotive voice informer

Automotive UMZCH with a power supply

Answering machine in telephones with caller ID

Active filters on field-effect transistors

Acoustic motion sensor

Decoder logic analyzer

FORM

Radio magazine reader questionnaire

Questionnaire-2002

Field Day Antenna

1296 MHz Antenna Amplifier

Proportional radio control equipment

Audio mixer for camcorder

Aerosols for electronics applications

White Lake-2002

Non-contact capacitive sensors

[1] [2] [3] [4] [5] [6] [7] [8] [9] [10]

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Latest news of science and technology, new electronics:

Artificial leather for touch emulation 15.04.2024

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 ... >>

Petgugu Global cat litter 15.04.2024

Taking care of pets can often be a challenge, especially when it comes to keeping your home clean. A new interesting solution from the Petgugu Global startup has been presented, which will make life easier for cat owners and help them keep their home perfectly clean and tidy. Startup Petgugu Global has unveiled a unique cat toilet that can automatically flush feces, keeping your home clean and fresh. This innovative device is equipped with various smart sensors that monitor your pet's toilet activity and activate to automatically clean after use. The device connects to the sewer system and ensures efficient waste removal without the need for intervention from the owner. Additionally, the toilet has a large flushable storage capacity, making it ideal for multi-cat households. The Petgugu cat litter bowl is designed for use with water-soluble litters and offers a range of additional ... >>

The attractiveness of caring men 14.04.2024

The stereotype that women prefer "bad boys" has long been widespread. However, recent research conducted by British scientists from Monash University offers a new perspective on this issue. They looked at how women responded to men's emotional responsibility and willingness to help others. The study's findings could change our understanding of what makes men attractive to women. A study conducted by scientists from Monash University leads to new findings about men's attractiveness to women. In the experiment, women were shown photographs of men with brief stories about their behavior in various situations, including their reaction to an encounter with a homeless person. Some of the men ignored the homeless man, while others helped him, such as buying him food. A study found that men who showed empathy and kindness were more attractive to women compared to men who showed empathy and kindness. ... >>

Random news from the Archive

New Class Drones Dragonfly Pictures 10.10.2020

Dragonfly Pictures Inc. (DPI) has developed a new class of drones - tethered drones that maintain a constant (stationary) position (hover-in-place) relative to a ship or other vehicle equipped with a base station.

Unlike battery-powered multicopters (multi-rotor drones, or quadcopters) that require battery replacement every 20 minutes, tethered drones are powered by a cable connected to a base station. With this capability, these devices can operate in flight for many hours and even days. Tethered copters track and accompany mobile platforms - sea ships, ships, trucks and other land vehicles.

Compared to fixed-wing drones, the new drones have several advantages, including vertical takeoff and landing. These drones do not require a landing strip, launch pad, or maintenance equipment. Unlike zeppelin drones, the new quadcopters remain continuously stationary even in turbulence and fast gusty winds.

A particular advantage of UMAR drones is that they are able to operate non-stop for more than 400 hours at an altitude of up to 500 feet thanks to continuous power supply over the cable. However, the design of this scheme is associated with significant difficulties. The power supply voltage that is supplied from the ship to the aircraft should be as high as possible to minimize the current, which allows the use of the thinnest and lightest cable possible. Such a drone is highly mobile and its payload is high.

News feed of science and technology, new electronics

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