KY-031 Knock Sensor Module

Overview:
The KY-031 Knock Sensor Module is designed to detect physical knocks, taps, or vibrations through a built-in spring-type vibration sensor. It provides a simple digital high/low output, making it easy to interface with microcontrollers for basic impact or touch detection projects.

Specifications:

• Model: KY-031

• Sensor Type: Spring vibration / knock sensor

• Output Type: Digital

• Operating Voltage: 3.3V – 5V DC

• Sensitivity Adjustment: Onboard potentiometer

• Interface: 3-pin module (VCC, GND, DO)