Consumer Electronics and Computer Systems

Automation Part I

Automation or automatic control is the strong reduction or even the exclusion of human intervention in various industrial and technological processes associated with manufacturing, design,…

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Switches and indicators

Switches are used to control motors, actuators, relays, contactors and consumers and to commutate control circuits in industry and households. When push button switches are…

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Photoelectric timer, weekly programmable, with astronomical correlation for DIN rail

The generation of digital programmable timers that read geographical coordinates is a modern means of automation of systems for illuminating objects, lighting and advertising boards,…

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LED tubes

LED tubes replace conventional fluorescent tubes, being over 2-3 times more economical and having 10 times longer life and better light current. They don’t contain…

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Tools

In our everyday lives we ​​often have to do minor repairs of our homes or cars, which do not require any special qualifications or skills,…

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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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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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