Consumer electronics. Schemes, articles of the Free Technical Library

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Free library / Schemes of radio-electronic and electrical devices

Consumer electronics. Schemes, articles, descriptions

Free library / Schemes of radio-electronic and electrical devices

Consumer electronics

We recommend reading in our Free Technical Library:

New technologies for using solar energy

Section Alternative energy sources. The now apparent downward trend in environmental impact, as well as the fear of depletion of natural resources, has revived in the scientific world a previously lost interest in alternative power sources and in the development of time-sensitive solar energy solutions. ... >>

A simple thermostat on a microcontroller

Section Microcontrollers. The purpose of the development is to ensure the minimum cost with an accuracy of maintaining the temperature of about 0.1 deg. in the range from 1 to 20 deg. The case is sealed and a minimum of controls. The presence of an additional compressor overheating sensor and emergency shutdown of the unit ... >>

DRV-0,1 electric motor in a tape recorder

Section Reference materials. Tape motors such as DKS-8, 4DKS-8, DKS-16, ZDPRS known to radio amateurs are expensive and rarely available for sale. Making a good engine on your own is quite difficult. The author of the article in several designs of tape recorders used the DRV-0,1 electric motor used in the Efir-M radiol (see Fig. 1). This relatively inexpensive motor is powered by a battery, batteries or a rectifier ... >>

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Articles on consumer electronics

Home, household, hobby
Calls and audio simulators
Indicators, sensors, detectors
metal detectors
Power regulators, thermometers, heat stabilizers
Clocks, timers, relays, load switches
Electric meters
Miscellanea

Home, household, hobby

Articles on devices for the home, household plots, hobbies; schemes of devices for the home, household plots, hobbies; descriptions of devices for home, household plots, hobbies: 161 articles

Calls and audio simulators

Articles on calls and audio simulators; call schemes and audio simulators; descriptions of calls and audio simulators: 79 articles

Indicators, sensors, detectors

Articles on indicators, sensors, detectors; diagrams of indicators, sensors, detectors; descriptions of indicators, sensors, detectors: 104 articles

metal detectors

Articles on metal detectors; schemes of metal detectors; descriptions of metal detectors: 124 articles

Power regulators, thermometers, heat stabilizers

Articles on power regulators, thermometers, heat stabilizers; schemes of power regulators, thermometers, heat stabilizers; descriptions of power regulators, thermometers, heat stabilizers: 136 articles

Clocks, timers, relays, load switches

Articles on clocks, timers, relays, load switches; diagrams of clocks, timers, relays, load switches; descriptions of clocks, timers, relays, load switches: 202 articles

Electric meters

Articles on electric meters; schemes of electric meters; descriptions of electric meters: 7 articles

Miscellanea

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

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

A quantum crystal has been created 18.11.2012

Both precious diamond and cheap graphite are made of the same carbon atoms. A tiny but very important difference between these materials is the geometric configuration of their blocks. The same material cannot be both diamond and graphite at the same time. However, in quantum physics there is no such limitation - this was demonstrated by a team of physicists led by Professor Immanuel Bloch from the Max Planck Institute for Quantum Optics and Ludwig Maximillian from the University of Munich.

The experiments were carried out with an ultra-cooled quantum gas. Under the influence of a laser beam, individual atoms can be ordered into regular geometric structures. But unlike classical crystals, all possible configurations of a quantum crystal will exist simultaneously. This observation was made after the transition of particles into the so-called. Rydberg state, in which they are strongly excited by the energy of the light beam.

"Our experiment demonstrates the potential of Rydberg gases to create new states of matter. Thus, we lay the foundation for quantum modeling, for example, quantum magnets," says Immanuel Bloch.

The experiment began with cooling an ensemble of several hundred rubidium atoms to temperatures close to absolute zero and trapping the atoms in a light trap. Then a periodic light grating was superimposed on the atomic cloud - the so-called. an optical grating providing almost uniform filling in the central part of the atomic trap. Then, using a laser, the atoms were brought to the Rydberg state, in which the outer electron shell is located at a great distance from the nucleus. As a result, the area of influence of these atoms grew by about 10 times to a simply huge size - a few micrometers, about 000/1 of a human hair. Now these atoms began to interact through the so-called. van der Waals forces.

The mutual repulsion of these atoms leads to the fact that they are located at a distance of several micrometers from each other. There is a spatial correlation between atoms, which, depending on the number of excited atoms, leads to different crystal lattice geometries. To be more precise, all possible crystal lattices exist there simultaneously. This new state of matter is very fragile, it exists only as long as the laser beam is on and the atoms are excited.

Taking "instant pictures" of such configurations with a special technique with the highest resolution, scientists have identified various geometries of this crystal. Typical configurations are three atoms in an equilateral triangle, four or five form squares, and regular pentagons. The experiments are in good agreement with the predictions of numerical simulations.

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