Arduino
Attention
If this is your first time using Arduino, please read through our tutorial on installing the Arduino IDE. If you have not installed an Arduino library before, we recommend you check out our installation guide.
Arduino-Pico Boards
The SparkFun Pro Micro - RP2350 is supported on the Arduino IDE in the Arduino-Pico boards package. To install the package, open the Preferences menu by navigating to File > Preferences. Look at the bottom of the Preferences menu for "Additional boards manager URLS" and then copy this JSON link into that field:
https://github.com/earlephilhower/arduino-pico/releases/download/global/package_rp2040_index.json
Click "OK" to close this menu then navigate to the Boards Manager tool and search for "pico" and download the latest release of "Raspberry Pi Pico" (4.0.1 or later).
For more information on using the Arduino-Pico boards package, check out their documentation page.