KY-031 Percussion Knock Sensor – Arduino Compatible₦ 2,000
This module is a knock sensor. It sends out signals which can be read with a microcontroller like Arduino. It is suitable for building projects like electronic drums, and sensing other kinds of vibration. It can be used in anti-theft projects and noise detection systems.
- Working voltage: 5V
- 3 Pinout: 5V, GND, Vout
- Size: 30*20mm
- Weight: 3g