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1. Working voltage: 3.3V or 5V
2. Operating current: <1mA
3. Operating temperature range: -10℃ ~ +70℃
4. Interface type: analog signal output
5. Size: Circuit board: 30mm x 23mm; Ceramic chip: diameter: 27mm.
6. Weight: 5g
7. Pin definition: S signal output, + power supply (VCC), -ground (GND)
8.Input: The positive pole of a piezoelectric ceramic plate
9.Gnd: The negative pole of piezoelectric ceramic plates
Port S is connected to the controller's analog input pin. 5V and GND are respectively connected to +5V and GND of the power supply. Connect the positive and negative poles of the piezoceramics when purchasing the Input and Gnd