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An Introduction to RP2040 PIO with CircuitPython
by
Jeff Epler
published March 03, 2021, last updated May 10, 2022
- Overview
- Installing CircuitPython
- Installing the Mu Editor
- Installing Libraries
- Using PIO to turn an LED on and off
- Using PIO to control LED brightness
- Using PIO to blink a LED quickly or slowly
- Using PIO to drive a NeoPixel
- Advanced: Generating Morse Code with Background Writes
- Advanced: Driving 7-segment displays with Background Writes
- Advanced: Using PIO to drive NeoPixels "in the background"
- Advanced: Using PIO to control Servos with Background Writes
- API Documentation: adafruit_pioasm
- API Documentation: rp2pio
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