Consumer Electronics and Tips

Laboratory power supplies Part I

Power supply sources are among the electronic devices that are most used in laboratories for testing various household and industrial appliances and equipment. A power…

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Adapters

Adapters are power supply devices that change the electric-network voltage (in most cases) to values ​​and type, suitable for the operation of various electronic appliances.…

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Infrared (PIR) sensors

Infrared (PIR) sensors are used for detecting motion and reacting to infrared rays. As any living body is a source of such rays, the infrared…

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Light-emitting diodes (LEDs) part I

LEDs or light emitting diodes are the most common and most commonly used semiconductor diodes today. They emit visible light in various narrow wavelengths, as…

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Transistor

The name “transistor” was introduced by John Pierce, who combined the words “transfer” and “resistor”. Regarding the invention of the first transistor things are a…

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How to crimp a network cable?

If you have to connect two computers, you will need Ethernet (LAN cable). The cables with terminals, which you can buy in stores, i.e. the…

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Ammeter

An ammeter is a device used to directly measure electric current in amperes. The electric current represents a directed movement of free electrons under the…

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Voltmeter

Voltmeters are instruments for measuring the difference in the potentials of two different points of the circuit. Voltage is the reason for the directed movement…

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Converters

Transformer converters are designed to power household and industrial appliances with 220VAC or 110VAC. They are specially designed for electronic equipment whose nominal AC voltage…

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Time relays (timers)

Time relays, also called timers, depending on their construction, principle of operation and installation, are divided into analog and electronic devices, which are used to…

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