DIY PCB SHAKER USING OLD CD DRIVE. 

Hello in this video I will show you how to make a PCB Shaker For Etching.
circuit diagram :- www.mediafire....
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
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