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Production
of Thief warning device


The thief warning device handles the high frequency (about 10 MHz). The high frequency circuit doesn't sometimes work normally by the position of the part, the way of the wiring. You may make using the universal PWB but here, I introduce the one to have made the printed board originally.
As for the way of making the PCB, see "Manufacturing of Original PCB".

 Circuit drawing

Parts list

Adjustment
The photograph is the one that made it in the circuit where I am introducing this time.



You can see 3D photo at "3D photograph of the thief warning device".