SW-420 Vibration & Shock Sensor Module – High-Sensitivity Impact Detection Sensor

The SW-420 Shock Sensor Module is a high-sensitivity vibration and impact detection module designed to trigger output signals when sudden movement, shocks, or vibrations are detected. Equipped with a digital output and onboard sensitivity adjustment, this module integrates seamlessly into security systems, automation projects, smart alarms, and vibration-based monitoring applications.

Powered by a simple 3.3V–5V input, the SW-420 module provides a reliable and noise-filtered output signal through its onboard LM393 comparator, ensuring stable and consistent detection. Whether you’re building an anti-theft system, monitoring mechanical vibrations, or designing motion-triggered electronics, this sensor serves as a versatile and dependable choice.

🔧 Key Features

• High-sensitivity SW-420 vibration/shock sensor

• Adjustable sensitivity using onboard potentiometer

• LM393 comparator for stable digital output

• Operating voltage: 3.3V to 5V

• Plug-and-play interfacing with Arduino, ESP32, Raspberry Pi, AVR, PIC, etc.

• LED indicators for power and output status

• Ideal for vibration detection and security applications

📦 Package Includes

• 1 × SW-420 Shock/Vibration Sensor Module

💡 Recommended Applications

• Anti-theft alarm systems

• Door/window vibration detection

• Smart security devices

• Machinery vibration monitoring

• Motion-triggered electronics

• Robotics & automation sensing

• Home security IoT projects