With only motor and laser light you can do this amazing thing yourself

Описание к видео With only motor and laser light you can do this amazing thing yourself

How to make a simple oscilloscope
The components:
wood
laser light
dc motor
Hard Drive
belt
potentiometer
D2822
power supply 5vdc
circuit D2822: @im WACC0 https://drive.google.com/file/d/1mb2H...

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