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$11.46
Ships from China.
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AJMRTC 5PCS KY-031 Knock Sensor Module, 3Pin Percussion Vibration Shock Detection Switch Board, KY031 Knocking Sensor for Arduino Raspberry Pi DIY Electronic Starter Kit Projects
Limited time offer, ends 11/25 By ThermalNest
- - 5 pieces per pack KY-031 knock sensor module, 3-pin design for vibration and knocking signal detection
- - Built-in percussion sensing element, outputs digital signal when detecting knocks or physical shocks
- - Simple 3-pin interface: VCC, GND and Signal, easy wiring with Arduino and Raspberry Pi
- - Adjustable sensitivity by modifying onboard resistor to fit different shock trigger requirements
- - Perfect for DIY alarm devices, percussion trigger experiments, electronic starter kit learning
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Overview
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AJMRTC KY-031 knock sensor module is a 3-pin percussion vibration detection board, sold as 5 pieces in one set. It can capture knocking, tapping and impact vibration signals and convert them into digital output signals for microcontrollers. The module comes with VCC, GND and signal pins for simple connection. Users can adjust detection sensitivity through the onboard resistor to change the knocking trigger threshold. It works well with Arduino, Raspberry Pi and other MCUs. It is widely used for vibration alarm, knock trigger control and beginner electronic DIY starter kit experiments.
- Brand: AJMRTC
- Model: KY-031 (KY031)
- Quantity: 5PCS
- Pin Definition: 3Pin (VCC, GND, Signal)
- Sensing Type: Percussion / Knocking / Vibration Shock
- Working Voltage: DC 3.3V ~ 5V
- Output Signal: Digital TTL Signal
- Application: Arduino, Raspberry Pi, Vibration Alarm, DIY Electronic Starter Kit
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by ThermalNest Return Policy
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