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# Tag Archives: electronics

## How to make a simple power bank without circuit – Homemade

This is the smart phone power bank. This power bank have ability to charge most of android and china phone. This power bank’s output voltage is 6V. You need a 9V battery to use this power bank. One fact is the battery is not rechargeable. You don’t need a circuit …

## How to make a beautiful mini car for kids very easy homemade DIY

This is war car for kids. Also a beautiful toy car, you can make this car at home. It’s simple to make. Your kids must love it. If you love this car please subscribe my channel and never forget it. The cars fan you can make it from my another …

## Electronic engineering – BASIC ELECTRONICS TUTORIAL

Electronic engineering is a professional discipline that deals with the behavior and effects of electrons (as in electron tubes and transistors) and with electronic devices, systems, or equipment. The term now also covers a large part of electrical engineering degree courses as studied at most European universities. Its practitioners are called electronics engineers in …

## Resistor – BASIC ELECTRONICS TUTORIAL

Resistor Resistor symbols (US and Japan) Resistor symbols (Europe, IEC) A resistor is a two-terminal electrical or electronic component that resists an electric current by producing a voltage drop between its terminals in accordance with Ohm’s law. (Certain ultra-precise resistors have 2 extra terminals, for a total of 4.) Applications • In …

## Vacuum tube – BASIC ELECTRONICS TUTORIAL

In electronics, a vacuum tube or (thermionic) valve (outside North America) is a device generally used to amplify, or otherwise modify, a signal by controlling the movement of electrons in an evacuated space. For most purposes, the vacuum tube has been replaced by the much smaller and less expensive transistor, either as a …

## Electronics theory – Basic electronics tutorial

Mathematical methods in electronics  Mathematical methods are integral to the study of electronics. To become proficient in electronics it is also necessary to become proficient in the mathematics of circuit analysis. Circuit analysis is the study of methods of solving generally linear systems for unknown variables such as the voltage at a …