June, 2019Knowledgebase Article : How to add a motion sensor The motion sensor used is a simple device and although it operates at 5V0,
it provides a 3v3 TTL output each time the sensor is triggered. This voltage drop or disparateness can be compensated with the use of a transistor. The 3v3 is used as an input
voltage to the transistor, which causes the transistor to switch on. The code will use an inverted approach to the logic and trigger an output. What you connect to the output would be at your discretion.
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