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    KY-020 Tilt Switch Module


    The KY-020 Tilt Switch Sensor module is a switch that reacts to movement. It closes the circuit when it’s tilted to the side as long as it is moved with enough force and degree of inclination to activate the ball switch inside.

    Compatible with Arduino, Raspberry Pi, ESP32 and other microcontrollers. For more sensitive tilt detection use the KY-017 mercury tilt switch.

    The Tilt Switch Sensor Module is a ball tilt switch with a metal ball inside. It is used to detect inclinations of a small angle.

    This Tilt Switch Sensor Module For Arduino is simple, yet effective tilt switch sensor module that houses a metal ball which sits in a tube with electric contacts, as your robot or autonomous vehicle tilts, the ball rolls onto the contacts, a circuit is completed and a signal is sent back to your compatible Arduino control system.


    • This module is Small and Simple to use.
    • Digital switch output (0 & 1)
    • High sensitivity
    • Completes the circuit when the module is tilted
    • LED lights up when tilt switch is activated


    This module consists of a 10kΩ resistor, a metallic ball switch with bidirectional conduction that will open/close the circuit when tilted, and 3 male header pins.

    • Operating Voltage: 3.3V – 5V
    • Output Type: Digital
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