2C16 Mercury tilt switch module for Arduino KY-017

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Arduino KY-017 mercury tilt switch module, itĀ uses a small mercury ball that completes the circuit when you tilt the module.Ā 

  • Arduino KY-017 mercury switch module

  • KY-017 Fritzing part image


This moduleĀ consists of a mercury switch, a 680Ī© resistor and a LED that will light up when tilt is detected. The mercury ball will open/close the circuit when the module is rotated.

Operating Voltage 3.3V to 5.5V

KY-017 Connection Diagram

Connect the Power line (middle) and ground (-) to +5 and GND respectively. Connect signal (S) to pin 3Ā on the Arduino.

KY-017 Arduino
S PinĀ 3
middle +5V