Simple C-O alarm to foil P S Circuit Diagram

This is a simple Capacitance operated alarm to foil purse snatchers. As long as touch plates (1) are touched together, the alarm is off. If not held for about 30 seconds, the alarm goes off. The circuit can be disabled with switch or by touching the plates (2) The alarm is battery operated by a bicycle horn.

Simple C-O alarm to foil P S Circuit Diagram


Simple C-O alarm to foil P S Circuit Diagram



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