Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Sensors
Origin	-
Operating Voltage	3.3V - 5V DC
Output Type	Digital Switch (High/Low)
Sensitivity Adjustment	Potentiometer Controlled
Detection Mechanism	Spring-Mass Inertial System
Indicator LED	Yes, Power and Trigger Status
PCB Dimensions	32mm x 14mm x 6mm
Mounting Holes	2x 3.0mm Diameter
Response Time	< 1ms
Compatible Platforms	Arduino, Raspberry Pi, ESP32
Package Contents	1x Sensor Module, 1x Pin Header Set

6 reviews

Anonymous

Mar 29, 2026

Rating: 5/5

Excellent crash detector

I integrated this into a small robot to detect collisions. The response time is incredibly fast, allowing the microcontroller to stop the motors before any damage occurs.

Anonymous

Mar 26, 2026

Rating: 4/5

Good module, needs calibration

Works as advertised out of the box, but you definitely need to spend time calibrating the potentiometer for your specific use case. Once set, it is very reliable for drop detection.

Anonymous

Mar 26, 2026

Rating: 5/5

Robust and simple

No complex libraries needed, just a simple digital read. The build quality feels solid, and the soldering points are large enough for easy connections.

Anonymous

Mar 25, 2026

Rating: 5/5

Perfect for my security project

The sensitivity adjustment is very precise. I was able to tune it so it only triggers on significant impacts, ignoring minor vibrations from nearby traffic. Great value for the price.

Anonymous

Mar 23, 2026

Rating: 4/5

Great for learning

Used this for a university physics project regarding free fall. It detected the drop accurately every time. The only downside is the lack of included documentation, but examples are easy to find online.

Anonymous

Mar 01, 2026

Rating: 5/5

Highly sensitive as claimed

Don't let the 'ultra-high sensitivity' fool you; the trimmer pot allows you to dial it back significantly. Very versatile component for vibration monitoring applications.

5 FAQ

Q: What is the maximum current draw of this module?

A: The module typically draws less than 5mA when idle. During a trigger event, the current remains negligible as it is primarily a switch mechanism. It is safe to power directly from most microcontroller GPIO pins.

Q: Can this sensor distinguish between different types of vibrations?

A: This module provides a binary digital output (High or Low) based on a threshold. It cannot distinguish frequency or type, but you can adjust the threshold sensitivity via the onboard potentiometer to filter out minor vibrations.

Q: Does it come with header pins pre-soldered?

A: No, the module comes with a separate set of male header pins in the package to allow for flexible mounting options. You will need to solder them on yourself.

Q: Is this suitable for outdoor use in a weatherproof box?

A: The PCB itself is not waterproof. However, it can be safely used outdoors if housed inside a proper IP-rated enclosure. Ensure the enclosure does not dampen the vibrations you intend to detect.

Q: Can I use this with a 3.3V logic system like ESP8266?

A: Yes, the module operates within a 3.3V to 5V range, making it fully compatible with 3.3V logic systems such as the ESP8266 and ESP32 without needing a level shifter.

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