SW-420 Vibration Sensor Module for Arduino

SW-420 Vibration Sensor Module

A highly sensitive vibration detection module based on the SW-420 tilt/vibration switch. Features an adjustable sensitivity potentiometer and digital output, making it perfect for alarm systems, motion detection, and anti-theft applications in Arduino and ESP32 projects.

Key Features

• SW-420 vibration/tilt switch sensor
• Adjustable sensitivity via onboard blue potentiometer
• Digital output (HIGH/LOW) for easy microcontroller interfacing
• Power indicator LED onboard
• 3-pin interface: VCC, GND, DO
• Wide operating voltage: 3.3V – 5V
• Compact blue PCB with mounting holes

Specifications

• Sensor: SW-420 vibration switch
• Output: Digital (DO)
• Operating Voltage: 3.3V – 5V DC
• Sensitivity: Adjustable via potentiometer
• PCB Size: ~32 x 14mm

Applications

• Vibration and shock detection alarms
• Anti-theft systems
• Earthquake detection
• Industrial machine monitoring
• Arduino / ESP8266 / ESP32 projects