You will need this tool | zener test

Get free PCB here : https://www.nextpcb.com/0-for-1-4-layers-pcbs.html?code=homemadedd

0$ for 10pcs PCB Prototype
https://www.nextpcb.com/pcb-quote?act=2&code=homemadedd

Register and get $100 from NextPCB:
https://www.nextpcb.com/register?code=homemadedd

PCB Assembly capabilities info:
https://www.nextpcb.com/pcb-assembly-services?code=homemadedd

This is a very simple tool that uses a voltmeter (can be replaced with a multimeter). A boost circuit and battery. However it can easily help you to test zener diode, rectifier diode, mosfet, IGBT LED voltage as well as check TV backlight.


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