KY-017 Mercury Switch Module

A compact tilt sensor that detects changes in position using a sealed mercury switch. It gives a simple digital signal when the module is tilted or rotated. Features: Detects tilt and position changes Digital signal output 3-pin interface: VCC, GND, Signal Works around 3.3V to 5.5V Built-in indicator LED Easy to connect with Arduino and other boards Applications: Tilt detection projects Orientation alarms Arduino experiments Movement sensing DIY electronics Educational projects