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SW-420 Alarm Vibration Sensor Module
SW-420 Alarm Vibration Sensor Module
SW-420 Alarm Vibration Sensor Module
SW-420 Alarm Vibration Sensor Module
SW-420 Alarm Vibration Sensor Module
SW-420 Alarm Vibration Sensor Module

Technical Documents

SW420 Vibration Sensor Module

EMS-00023-A

(Last updated) Jun 01, 2026

SW-420 Alarm Vibration Sensor Module

Alarm Vibration Sensor Module

Subcategory
EMS - Input: Sensors

Description

SW-420 Alarm Vibration Sensor Module is a vibration and shock detection module used in security alarms, anti-theft systems, motion sensing, robotics, earthquake detection, and Arduino projects. It uses the SW-420 vibration switch along with an LM393 comparator to provide digital output when vibration or movement is detected. Sensitivity can be adjusted using the onboard potentiometer. (components101.com

Manufacturer Details

Manufacturer Part Number
Generic Electronics SW-420
DFRobot SEN0149
SparkFun SEN-09197
FlyRobo SW-420-MOD

Application Resources

SW-420 Vibration Sensor Module

Technical Specifications

Product Type Vibration Sensor Module
Sensor Model SW-420
Comparator IC LM393
Operating Voltage 3.3V – 5V DC
Output Type Digital Output

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