Vibration and Shock Sensor Module (12 V, Adjustable Sensitivity)
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Prices updated: 13 Oct 2026
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About this product
This vibration and shock sensor uses a piezoelectric element and a spring oscillator to detect impacts and vibrations. A knob adjusts the sensitivity, an LED indicates detection, and the module sends a signal to a microcontroller. Suitable for alarms, knock detection and impact-triggered projects, powered from 12 V DC.
Specifications
- Power supply
- 12 V DC
- Operating temperature
- -30 °C to 65 °C
- Dimensions
- 45 mm x 38 mm
- Sensing element
- Piezoelectric element with spring oscillator
- Sensitivity
- Adjustable by knob
- Indicator
- LED
Frequently asked questions
How do I wire the vibration sensor?
Connect the red wire to +12 V, the black wire to GND, and the white wire to the signal output that goes to your microcontroller. Confirm the output voltage level before connecting it to a 3.3 V board, and use a level shifter or divider if needed.
How do I adjust the sensitivity?
Turn the sensitivity knob. Turning it clockwise increases sensitivity, and the LED lights up when the module detects a shock at that level. Adjust it while testing with the expected impact or vibration.
