zener diode testing

zener diode 




Hello guys in this video, I will show you how to make a zener diode test circuit, how to test led, and 

also measure battery level, 



amazing creativity, this invention or other inventions that you can make at 

home is very simple because these inventions are 100% handmade .

digital voltmeter, amazing idea, simple electronic circuit, diode bridge, surely 

many don't know, amazing creative idea

This tool you will need for testing, zener diode, led light ,voltage regulator


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