Description:
Knock sensor module and a digital 13 interface, built-in LED build a simple circuit to produce percussion flasher. Interface comes with digital LED, will knock sensor connected digital 3 interface, when percussion sensor senses measure to percussive signals, LED flashing light.

Specification:
Model: KY-031
The Highest Voltage: 5V
Module Output Form: ON/OFF
Output Model Category: Digital Sensor
Sensor Category: Vibration and Shock Sensors
Working Principle: Vibration Sensor
Total Size: 27mm x 15mm x 9mm

Package Content:
5PCS Knock Sensor Module with LED KY-031 For Arduino PIC AVR Raspberry

NOTE:
For purchasing electronic components, modules should have some basic knowledge of electronics. Most modules only provide descriptions or information. There is no technical consultation support. Beginners should be cautious.