HELLO THERE!!! How are you guys? I hope everyone is fine and good as always. I am back in tinkering after a few months of hiatus( busy stuff :) ). So, today i would like to share with you guys on KY-017, which is a Keyes Mercury Tilt Sensor. KY-017 Sensor KY-017 The picture above shows the KY-017 Sensor from Keyes. It has 3 pins, A ground, A vcc, and A signal pin. If you look closely, there is a mercury ball inside the bulb like object. The mercury ball acts like a switch for this sensor. KY-017 Working Procedure: 1. When the sensor is not tilted, the mercury ball will be at the bottom of the bulb. This will complete the circuit and turns on the LED of the sensor. The output that is sent through the signal pin will be LOW. 2.When the sensor is tilted, the mercury ball will be at the top of the bulb(near at the sharper end). This will complete break circuit and turns off the LED of the sensor. The output that is sent through t...
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