This circuit is an Unusual way to make Vibration Sensor or Shock Sensor using an Analog Voltmeter !!
You can order this PCB from here: https://www.pcbway.com/project/shareproject/Unusual_DIY_Vibration_Sensor_using_Analog_Voltmeter_f0f6065e.html
Parts List:
IC CA3140
Resistor 1K
Resistor 10K
Resistor 100K
Muti-turn Potentiometer 500 ohm
Buzzer
LED
Analog Voltmeter
Diode 1N4148
IC Socket 8pin
12V or 9V Battery
Circuit Diagram:
Video:
