Circuit Python Code for Smart Fan Unit

Installation

1. Connect to USB and boot the Raspberry in UF2 Bootloader v3.0 mode (power on with BOOT button pressed)
2. Download firmware from circuitpython.org for the RPI Pico
3. Put the adafruit-circuitpython-raspberry_pi_pico-en_US-*.uf2 (or later) file on the mounted storage.
4. Copy code.py file into the root of the mounted drive, replace old file if prompted
5. Copy ./lib folder to the mounted storage, replace all if prompted

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console output example:

Button is not pressed
From Blade A Auto
From Blade B Auto
Blade A airflow temperature: 24 C
Blade B airflow temperature: 25.75 C
Setting fan speed to 10%
Fan speed 564.676 RPM