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KY-031 3Pin Knock Sensor Module Percussion Vibration Shock Detection Switch Board Digital TTL Signal Output Adjustable Sensitivity Compatible with Raspberry Pi 5PCS
- Includes 5 KY-031 percussion vibration sensor modules for projects requiring multiple knock or shock detection points.
- Detects knocking, tapping and impact vibration signals through its percussion sensing element for trigger-based electronic control.
- Provides a 3-pin connection layout with VCC, GND and Signal pins for direct module wiring.
- Converts detected knock and vibration events into a digital TTL output signal for compatible microcontroller input.
- Supports DC 3.3V to 5V operation, matching the stated working-voltage range of the sensor module.
- Features an onboard resistor for adjusting detection sensitivity and changing the knock trigger threshold.
- Compatible with Raspberry Pi and other MCUs when used for digital knock or vibration signal detection.
- Suitable for vibration alarm circuits, knock trigger control, and electronic DIY starter kit experiments.
- KY-031 and KY031 model references identify this percussion, knocking and vibration shock detection switch board.
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Product Description:
KY-031 knock sensor module set for detecting percussion, tapping, knocking, and vibration shock signals. The module converts detected physical impact into a digital output signal for microcontroller-based DIY electronic projects and vibration alarm applications.
Core Selling Points:
Built-in percussion sensing element responds to knocks and physical shocks. Adjustable detection sensitivity through the onboard resistor helps set the knocking trigger threshold for different requirements. The 3-pin connection design supports simple wiring for vibration-trigger and electronic learning projects.
Technical Specifications:
Model: KY-031 (KY031). Pin Definition: 3Pin (VCC, GND, Signal). Sensing Type: Percussion / Knocking / Vibration Shock. Working Voltage: DC 3.3V ~ 5V. Output Signal: Digital TTL Signal.
Package Contents:
5 x KY-031 Knock Sensor Modules
Before Purchase:
Compatible with Raspberry Pi and other MCUs. Verify that your project supports a 3-pin VCC, GND, and Signal connection and a DC 3.3V ~ 5V working voltage before purchase.
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: non-replaceable
- This item is covered by GeekSpace Return Policy
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