On the back of the MatrixPortal is a triple-axis accelerometer that you can use to detect motion. (That’s how Adafruit’s cool digital sand demo works!)
You can use this sensor in both CircuitPython and Arduino. After the library support is installed, you can then use the example code provided to get X, Y and Z acceleration values.
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Python for Microcontrollers – Adafruit Daily — Python on Microcontrollers Newsletter: A New Arduino MicroPython Package Manager, How-Tos and Much More! #CircuitPython #Python #micropython @ThePSF @Raspberry_Pi
EYE on NPI – Adafruit Daily — EYE on NPI Maxim’s Himalaya uSLIC Step-Down Power Module #EyeOnNPI @maximintegrated @digikey