Product added to cart
KY-031 Knock Sensor Module
$0.2200
In stock
SKU
SEN-13-046
Volume discounts:
- +100 5 % $0.2100
- +1000 9 % $0.2000
- +10000 14 % $0.1900
KY-031 Knock Sensor Module is available to buy in increments of 2
Ships in 2-3 business days, then:
Free delivery in 12-15 days by Tracked Economic Shipping on orders over $100.
Free delivery in 7-10 days by Express Shipping on orders over $300.
More shipping info
Shop with confidence Learn More
Load Cell- 1kg Previous 
KY-031 Knock Sensor Module is a simple electronics module for detecting knocks, taps, and small vibrations. It generates a digital output signal when physical impact or vibration is detected. The module is suitable for robotics, IoT, security, and alarm projects. It provides a single-channel signal output and can work like a switch. KY-031 is easy to use in DIY electronics and microcontroller-based projects.
Features of KY-031 Knock Sensor Module - 3.3V To 5V, Digital Output
- Knock and tap detection
- Vibration sensing
- Digital output signal
- Single-channel signal output
- Default high output
- Adjustable sensitivity
- Easy DIY installation
Specifications of KY-031 Knock Sensor Module - 3.3V To 5V, Digital Output
- Working voltage: 3.3V to 5V
- Working voltage: DC 3~5V
- Default output: high
- Single channel signal output
- Dimensions: 28mm x 15mm x 13mm
- Output type: Digital
- Connector pins: VCC
- Connector pins: GND
- Connector pins: DO
- Sensitivity: Adjustable
How to Use KY-031 Knock Sensor Module - 3.3V To 5V, Digital Output
- Connect VCC, GND, and DO to your microcontroller.
- Read the digital output when a knock or vibration is detected.
More Info
- The sensor acts like a switch when impact is detected.
- The internal spring vibrates and produces pulse or multiple high-low pulses.
| Interface Type | Digital |
|---|---|
| Operating Voltage (V) | 3.3V to 5V |
| Dimensions (mm) | 28mm x 15mm x 13mm |
| Mounting Type | Screw holes |
| Output Type | Digital |
| Number of Axes | 1-axis |
| Push Button | No |
| Sensor Type | Vibration Sensor |
| Measurement Principle | Mechanical |
| Chipset | KY-031 |
Write Your Own Review
Please complete your information below to login.
Sign In
Create New Account