Hello in this video I will show you how to make a PCB Shaker For Etching.

circuit diagram : https://www.mediafire.com/file/d23i5b...

components needed:
1) old cd drive
2)4017 ic
3)16 pin ic socket
4)bd139 transistor 4
5)4.7k resistor 7
6)0.1uf ceramic capacitor
7)reed switch 2
8)pcb
9)neodymium magnet


Puff by Limujii   / limujii  
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Thanks for watching.