Various household devices. Schemes, articles of the Free Technical Library

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Various household devices. Schemes, articles, descriptions

Free library / Schemes of radio-electronic and electrical devices

Miscellaneous household devices

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Proximity breaker for electronic ignition system for car

Section Car. Ignition. Motorists who have installed an electronic ignition system on their car have probably already appreciated its advantages. The contact breaker continues to cause trouble as before. Erosion, oxidation, contamination of contacts force the motorist to periodically carry out work to maintain their working condition. You can get rid of these worries if you supplement the electronic ignition system with a pulse shaper with a non-contact sensor. There are several types of sensors that can work in non-contact ignition systems - photoelectric, galvanomagnetic, parametric. Parametric sensors include those sensors whose operation is based on the transformation of a change in the measured value into a change in the parameter - capacitance, inductance, resistance, magnetic resistance ... >>

Cell phone charger with status indication and automatic output current adjustment

Section Chargers, batteries, galvanic cells. As you know, cell phones come with their own chargers. These chargers cannot be called universal. Since there are many varieties of cell phones, the voltage of their batteries is also different. For example, a Motorola cell phone cannot be charged using a Samsung or Sony Ericsson cell phone charger, not only because the phones have different connectors for connecting external power, but, most importantly, because these phones have different nominal battery voltages. ... >>

Connecting cords

Section Electrical materials. Connecting cords are used to connect household appliances and electrical machines, televisions, radio equipment to the mains with voltage up to 660 V. Cords are made with rubber insulation, insulation made of polyvinyl chloride plastic (PVC), silicone rubber. Some brands of connecting cords manufactured in accordance with GOST 7399-80, GOST 7399-97 are given in Table. 1.49 ... >>

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Articles on various household devices

Articles on various household devices; schemes of various household devices; descriptions of various household devices: 12 articles

All articles on consumer electronics

Latest news of science and technology, new electronics:

Air trap for insects 01.05.2024

Agriculture is one of the key sectors of the economy, and pest control is an integral part of this process. A team of scientists from the Indian Council of Agricultural Research-Central Potato Research Institute (ICAR-CPRI), Shimla, has come up with an innovative solution to this problem - a wind-powered insect air trap. This device addresses the shortcomings of traditional pest control methods by providing real-time insect population data. The trap is powered entirely by wind energy, making it an environmentally friendly solution that requires no power. Its unique design allows monitoring of both harmful and beneficial insects, providing a complete overview of the population in any agricultural area. “By assessing target pests at the right time, we can take necessary measures to control both pests and diseases,” says Kapil ... >>

The threat of space debris to the Earth's magnetic field 01.05.2024

More and more often we hear about an increase in the amount of space debris surrounding our planet. However, it is not only active satellites and spacecraft that contribute to this problem, but also debris from old missions. The growing number of satellites launched by companies like SpaceX creates not only opportunities for the development of the Internet, but also serious threats to space security. Experts are now turning their attention to the potential implications for the Earth's magnetic field. Dr. Jonathan McDowell of the Harvard-Smithsonian Center for Astrophysics emphasizes that companies are rapidly deploying satellite constellations, and the number of satellites could grow to 100 in the next decade. The rapid development of these cosmic armadas of satellites can lead to contamination of the Earth's plasma environment with dangerous debris and a threat to the stability of the magnetosphere. Metal debris from used rockets can disrupt the ionosphere and magnetosphere. Both of these systems play a key role in protecting the atmosphere and maintaining ... >>

Solidification of bulk substances 30.04.2024

There are quite a few mysteries in the world of science, and one of them is the strange behavior of bulk materials. They may behave like a solid but suddenly turn into a flowing liquid. This phenomenon has attracted the attention of many researchers, and we may finally be getting closer to solving this mystery. Imagine sand in an hourglass. It usually flows freely, but in some cases its particles begin to get stuck, turning from a liquid to a solid. This transition has important implications for many areas, from drug production to construction. Researchers from the USA have attempted to describe this phenomenon and come closer to understanding it. In the study, the scientists conducted simulations in the laboratory using data from bags of polystyrene beads. They found that the vibrations within these sets had specific frequencies, meaning that only certain types of vibrations could travel through the material. Received ... >>

Random news from the Archive

STLVD385B - TTL signal transmitter 30.03.2004

ST MICROELECTRONICS' STLVD385B TTL signal transmitter converts 28 bits of video data into 4 LVDS channels to drive a flat panel display.

The device supports clock frequencies from 20 to 85 MHz.

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