No transistors No external battery use only Audio sound

Описание к видео No transistors No external battery use only Audio sound

I used ---10 zeners and ---10 3.mm lights -- and two capacitors two 4007 diodes to do the project! It only cost me 50 rupees to make this circuit and I succeeded in this project. You can do it at home. It's a working Hundred percent circuit. Thanks!


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#experiment #tending #technology #technical

Thank for watching....!

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