KY-031 The Knock Sensor Module, detects the knocks and the taps. It can work like a switch. The sensor output normally stays at High logic. The spring inside this sensor vibrates when knock or tap is detected and sends pulse or multiple high low pulses.

Applications:

• Door Knock Sensing
• Vibration Sensing
• Technical Specifications
• Single channel signal output
• Convenient to install
• Circuit board output switch
• Working voltage: DC 3~5V
• Default Output: HighPinouts
• Signal (Normally High logic)
• VCC : Positive voltage
• GND : 0V

Package Includes:

• 1x KY-031 Knock Sensor Module