Adafruit Circuit Playground reacting to music (updated with simulator)

This post looks at using the Adafruit Circuit Playground Express to react to music. I used Adafruit MakeCode (https://makecode.adafruit.com/) to experiment with it. 

The code is simple and shown below and using the acceleration in the x, y and z axis to selected values for RGB on the neopixels - the circuit is placed on a speaker and the vibrations cause the changes in the pixel RGB value. The 10 pixels are lit up in sequence, but it is so quick it is hard to see a difference between the pixels.

The video below shows it action with music available from the YouTube audio library “Eternal Structures” by Asher Fulero.

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