Please according to your own measurements to choose your suitable size. The tags inside the items will show in our Asian (Type) size.
It is Ceramic Piezo Vibration Piece Sensor, and it is high quality vibration sensor.
It is an analog sensor and need ADC convertor if it works with Raspberry Pi.
When the piezoelectric ceramic shocking will generate an electrical signal, Controller analog port can be perceived slight vibration signals, also can be realized with vibration interactions related works, such as electronic drums.
Easy to use
Compatible with most MCU such as Arduino, STM32, ESP32 and so on
Sensitive to vibration
Working Voltage:3.3V or 5V
Working Current:Less than 1mA
Operating Temperature Range:-10 Degrees Celsius ~ + 70 Degrees Celsius
Interface Type:Analog Output
Item Size:30mm x 23mm
+:Power Supply (VCC)
Input:Positive of the piezoelectric ceramic
GND:Negative of the piezoelectric ceramic
3 x Ceramic Piezo Vibration Sensor
3Pcs 52Pi Vibration Sensor Module Ceramic Piezo Analog Signal for Raspberry Pi / MCU STM32 / ESP32
Shipping:Standard Shipping about 10-25 business days