KY-031 Percussion Knock Sensor – Arduino Compatible


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


SKU: 135
Categories: ,


There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.