Free technical library. Articles from Radio magazine, 2009

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Alphabetical list articles with annotations, from magazines published in 2009 in Radio magazine:

50 years of regular television broadcasting in the Kuban

AVIS - new audiovisual information system

CeBIT 2009 in Hannover: ingenious solutions

CES 2009 Las Vegas: Digital Verticals

CES Las Vegas: Digital Verticals

DDS synthesizer on a microcontroller

GSM - watchman

GSM modem in a security alarm system

IFA 2008 in Berlin: a lot of interesting things

KL7DX - Russian Alaska

MIDI keyboard from a toy synthesizer

MMANA-GAL PRO - professional version of antenna modeling software

R150ASP on the air from Gogland Island

RK9CYA - collective youth radio club

RP4DTA - 229th Tamanskaya

RRTC - Russian team

USB bootloader with self-starter

Wave Master 8 Zi - growth oscilloscope

WiMAX in Russia and the CIS

emergency light

Groundwater pumping machine

Automatic lighting effects on the microcontroller

PC controlled lighting effects machine

Automatic low current meter

Automatic recovery of electronic clock readings

Car GSM-signaling device with coordinates determination

Car GSM signaling device with coordinates determination

car alarm

Adapter I 2C - COM - computer port

S/PDIF adapter

AKIP-9104 - modern logic analyzer

Active indoor HF antenna

Dedicated to Alexander Stepanovich Popov

USB analyzer

Electronic dongle analogue Metakom TM-2002 on ATtiny2313

Antenna 5/8 Lambda band 1296 MHz

144 MHz Antenna

Antenna system based on ASP antenna

VHF antenna arrays with vertical polarization

Antenna tuner

Barometric altimeter

Running line with mechanical scanning

Capacitance meter dynamic indication block

Ignition unit - OZ angle regulator on the PIC16F676 microcontroller

Ignition unit on a microcontroller for VAZ-2108, VAZ-2109

Computer status display unit

Power supply in a table lamp

SHI-power controller blocker for electric motors

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

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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

Ion will feel the power 28.08.2009

An ion trap, with which you can measure the smallest changes in electromagnetic fields, was created by scientists from the United States.

The single ion trap, designed by the 1989 Nobel laureate Hans Dehmelt, is a set of lasers (to cool the ion) and electrodes (to create an electric field that traps the supercold ion). Now such traps work in atomic clocks, and physicists hope to use them to create a quantum computer. In the Demeldt trap, the ion is surrounded by electrodes on almost all sides.

Scientists from the National Institute of Standards and Technology (USA) have woven such a trap out of steel wires that a single magnesium ion caught in it is closed only on one side. It turns out something like a drop of ink, which hangs on the tip of the pen and cannot fall in any way.

As a result, scientists have the opportunity to bring this single ion very close to any surface and measure the forces that arise between them. This is similar to the principle of operation of an atomic force microscope, only the sensitivity of the ion trap is a million times greater than that of existing cantilevers.

The result was the basis for a fundamentally new device capable of sensing extremely weak electric, magnetic and, possibly, other fields. Especially high is the sensitivity of the ion sensor to alternating electric fields in the oscillation range of 100 kHz-10 MHz.

News feed of science and technology, new electronics

Interesting materials of the Free Technical Library:

▪ section of the Radio Control website. Article selection

▪ article Reciprocating steam engine with a rocking cylinder. Tips for a modeler

▪ How does a chameleon catch its prey? Detailed answer

▪ Anakopia cave article. Nature miracle

▪ article Simple probes, attachments, meters. Encyclopedia of radio electronics and electrical engineering

▪ article Levitation of small objects. Focus Secret

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