• SW-420 Digital Vibration Sensor
The SW-420 Digital Vibration Sensor is a low-cost motion and shock-detection module that uses an internal spring-and-rod mechanism to identify vibrations and surface movements.

  • SW-420 normally closed type vibration sensor
  • Comparator Output, clean signal, good waveform, strong driving ability, >15mA
  • Working voltage : 3.3V ~ 5V
  • Output Format : Digital Switching Output (0 and 1)
  • Using a Wide Voltage LM393 Comparator
  • Mounting Holes for Easy Installation
  • Small PCB Size : 3.2 x 1.4cm


Technical Specifications

  • Operating Voltage: 3.3V to 5V DC
  • Operating Current: ~15mA to 20mA max
  • Pinout: VCC (Power), GND (Ground), and DO (Digital Output)
  • Default State: Normally Closed (NC) when completely stationary.
Common Applications
  • Anti-theft alarms and security systems
  • Machinery fault or impact monitoring
  • Smart car movement sensing
  • Knock or door-drop detectors

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SW-420 Digital Vibration Sensor

  • Product Code: SW-420
  • Availability: In Stock
  • R 15.62

  • Ex Tax: R 13.58

Tags: SW-420 Digital Vibration Sensor, sw-420, vibration sensor, sensor, digital sensor