As can be seen in the circuit diagram, it is wired around one tiny microcontroller PIC12F675. Batteries are suitable for the power supply, because the circuit only takes less than 5mA in idle state. .

Name: Car vibration sensor module/Motorcycle shock sensor module; Rated Voltage: 12VDC; Working Voltage: 5-15VDC; ... This is the proposed wiring diagram for the ‘hacked’ sensor box. Now the ...