Keyes KY-031 Digital Knock Sensor Module

The Keyes KY-031 Digital Knock Sensor Module is a highly responsive vibration and impact detection sensor perfect for your next interactive DIY project. Designed around a spring-based vibration switch, this module instantly detects physical knocks or taps and outputs a clean digital signal, making it an essential component for engineers and makers building responsive electronics.

This versatile knock sensor is extensively used in electronic drum kits, DIY security alarm systems, tap-activated lighting, and robotic collision detection. Featuring a standard 3-pin interface (VCC, GND, Signal), it is fully compatible with popular microcontrollers like Arduino, Raspberry Pi, and ESP32. It integrates effortlessly into breadboard prototypes or permanent IoT builds. Buy online in India and bring impact-sensing capabilities to your designs.

Features:

• Instant Impact Detection: Accurately senses physical knocks, taps, and vibrations.
• Digital Output: Provides a clear digital high/low signal for easy microcontroller reading.
• Wide Compatibility: Operates seamlessly on both 3.3V and 5V logic systems.
• Easy Interfacing: Uses standard 2.54mm (0.1") pitch headers for quick breadboard integration.
• Compact Design: Small footprint allows for easy installation in space-constrained enclosures.

Package Includes:

1 x Keyes KY-031 Digital Knock Sensor Module