One of our easier and more powerful tutorials for detecting movement Adafruit’s Raspberry Pi Lesson 12. Sensing Movement has been updated. This guide now makes use of the adafruit-blinka circuitpython libraries which make talking to the PIR (motion sensor) and magnetic door switch as easy as possible. This guide works for both the early 20-pin Raspberry Pis (Rev 1 and Rev 2) as well as the current generation of 40-pin Pi’s (A, B, B+ and Zero). The code is straight forward, the component connections are minimal which makes this guide is an ideal place to start for someone just getting started with CircuitPython on a Raspberry Pi.
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