Not every DIY project needs a Raspberry Pi ...
R1 (Optional) 1k Ω 0805 (Mandatory if D1 populated) Series resistor for D1 LED, adjust R-value to your type of LED and preferred brightness R2 (Optional) 1k Ω 0805 (Mandatory if D2 populated) Series ...
The tiny Pico has some niche advantages over full-fledged Raspberry Pi boards ...
Other platforms are not officially supported yet; you can try installing your own arduino-cli and pointing the extension to it, and help is needed for other platforms. IntelliSense data ...