How does a transistor circuit works
Learn transistor circuit works, old parts But, we often use it. Because of durable, high current. Whether any reason. Let's learn they works in simple way.
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March 24, 2020
What is capacitor? Principle working, types and how it works
It is a basic component we always use them. What is a capacitor? Principle working, types and how it works. Read this article you will get the answer.
January 8, 2020
Convert a galvanometer to voltmeter
My son want to make a simple DC voltmeter on 0-10V range by Convert a galvanometer to voltmeter.Galvanometer DC1mA is cheap and easy with one resistor only.
December 30, 2018
DIY Cheap Resistance Decade Circuit
DIY Cheap Resistance Decade Circuit
Here is a DIY resistance decade tool for testing and calibration. Because it can substitute into a circuit with all standard value. This ideal is cheapest that use resistors and wires only.
November 13, 2018
Learn simple AND and OR logic gate without IC
Can we use AND and OR logic gate with Diodes? Yes, we can. The past, we have used only a digital logic circuit by IC. But, in truth. We do not need any ICs. Use Switches or Diodes or transistors connected as a logic circuit.
January 30, 2014
How can we extend the range of voltmeter
It's very easy to use resistors only. Let's practice a little electric calculator, fun! How can we extend the range of voltmeter?
December 31, 2013
Operation of 200 watt inverter diagram
The working principle has been improved. Learn it more!
June 1, 2013
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