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Small rectangular green circuit board with a silver cylindrical sensor and a white four-pin Grove connector, plus a matching flat cable

Seeed Studio

Seeed Studio Grove Vibration Sensor SW-420

SKU CH-CTPE-6HS0K

High-sensitivity non-directional vibration sensor with adjustable threshold, Grove digital interface, and 3.3 V or 5 V operation

  • TypeSensors
  • High sensitivity detects vibration with SW-420 module
  • Adjustable threshold lets you tune response
  • Grove unified socket enables plug-and-play integration
  • Digital output works at 3.3V or 5V
  • Compact 40mm x 20mm board weighs 4.3g

High-Sensitivity Vibration Detection

The Grove Vibration Sensor SW-420 is a non-directional module that detects vibration or tilt. It operates at 3.3V or 5V and provides a digital output that switches from high to low when movement occurs. Sensitivity is adjustable to suit different detection thresholds. The unit includes a Grove cable for immediate connection.

Makers Needing Simple Motion Sensing

This sensor suits hobbyists, students and engineers building burglar alarms for vehicles, game controllers or vibration-monitoring projects. The Grove unified socket allows plug-and-play use with compatible shields and boards. Buyers who require analog output, multi-axis data or wireless connectivity should consider a different module.

Digital Output With Adjustable Threshold

The decisive specification is the digital interface combined with an onboard potentiometer for sensitivity adjustment. When the module is stable the signal stays high; any vibration briefly pulls the output low. This behaviour determines whether the sensor matches the logic level and trigger style your application expects.

Highlights

  • High sensitivity detects vibration with SW-420 module
  • Adjustable threshold lets you tune response
  • Grove unified socket enables plug-and-play integration
  • Digital output works at 3.3V or 5V
  • Compact 40mm x 20mm board weighs 4.3g

Specifications

TypeSensors

Questions about this item

How do I install the Grove Vibration Sensor SW-420 and which step is often missed?

Connect the included Grove cable to the digital socket on your board; the step often missed is adjusting the onboard potentiometer to set the vibration sensitivity threshold before mounting.

What maintenance or replacement will the Grove Vibration Sensor SW-420 need over time?

The solid-state SW-420 has no moving parts and the module is waterproof and pressure resistant, so no routine maintenance or scheduled replacement is required.

What limit appears first when the Grove Vibration Sensor SW-420 runs continuously?

The digital output toggles only between high and low states, so the first limit is the minimum vibration amplitude needed to cross the adjusted sensitivity threshold.

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