DIY Keyes Ball Switch Angle Tilt Sensor Module (Arduino Compatible)
The Keyes ball switch/angle tilt sensor module detects changes in position using an internal ball mechanism. It can also function as a simple shock sensor.
This module outputs a digital signal:
- LOW when the module is vertical
- HIGH when tilted or not vertical
It is powered using 3.3V to 5V, making it compatible with Arduino and other microcontrollers. The module comes mounted on a PCB with a 3-pin interface for easy connection.
This sensor is ideal for projects requiring motion detection, tilt sensing, or trigger-based input.

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