SW-420 Vibration Sensor Module

The SW-420 Vibration Sensor Module is a compact and reliable vibration detection module designed for motion, shock, and impact sensing applications. It can detect vibrations, knocks, movement, and sudden shocks, making it ideal for security alarms, anti-theft systems, robotics, industrial monitoring, and DIY electronics projects.

Built with the SW-420 vibration switch and LM393 comparator, this module provides both digital output and adjustable sensitivity using the onboard potentiometer. It is fully compatible with Arduino UNO, ESP32, NodeMCU, Raspberry Pi, STM32, and other microcontroller development boards.

This vibration sensor module is widely used in smart automation projects, earthquake detection experiments, machine vibration monitoring, vehicle security systems, and electronic hobby applications. Its small size, low power consumption, and easy interfacing make it perfect for beginners, students, makers, and IoT developers.

Key Features

• SW-420 vibration and shock detection sensor module

• Detects vibration, movement, impact, and motion

• Adjustable sensitivity with onboard potentiometer

• LM393 comparator chip for stable digital output

• Compatible with Arduino, ESP32, NodeMCU, Raspberry Pi & STM32

• Operating Voltage: 3.3V to 5V DC

• Digital output signal for easy interfacing

• LED power and signal indicators included

• Compact design for embedded and DIY projects

• Suitable for security alarms, robotics, automation & IoT applications

Applications

• Anti-theft alarm systems

• Earthquake and shock detection projects

• Smart home automation

• Industrial vibration monitoring

• Motion-triggered electronics

• Robotics and automation systems

• School and engineering projects

• Vehicle vibration sensing applications