Electronic Components
KY-031 Knock Sensor Module
Price
Original price was: $13.00.$8.00Current price is: $8.00.
Shopping information
The KY-031 Knock Sensor module is a vibration sensor that sends a signal when a knock/tap is detected. Compatible with Arduino, ESP8266, ESP32, Teensy, Raspberry Pi, and other popular platforms.
KY-031 SPECIFICATIONS
This module consists of a spring-based sensor, a 10k resistor and 3 male header pins. The spring emits a high signal when a vibration is detected.
| Operating Voltage | 3.3V ~ 5V |
| Output Type | Digital |
CONNECTION DIAGRAM
Connect the modules Power line (middle) and the ground (-) to +5 and GND respectively.
Connect signal (S) to pin 3 on the Arduino.
| KY-031 | Arduino |
|---|---|
| S | Pin 3 |
| middle | +5V |
| GND |
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