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IED - Switch - Custom Switching Circuit

IED  

Custom Switching Circuit has the following functions: Has a safe to arm timer, arms when the phone rings for 3 seconds, detonates if the ringing stops before 30 seconds (“hang-up”) This can be achieved by hanging up or if the ringtone ends. If call is not dropped, circuit goes back to standby. The transmitter is an unmodified telephone of any nature. To identify the Custom Switching Circuit, look for: PIC16F1827 or SHINDENGEN PIC, Orange ou...

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More information available for IED - Switch - Custom Switching Circuit

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