In the Netherlands we are in the very privileged position that we can order electronic parts cheaply and have them delivered the next day.

In the Netherlands we are in the very privileged position that we can order electronic parts cheaply and have them delivered the next day.
Advice from the Hacklab instructor to help you make things with electronics (and figure out why the hell it isn’t working).
Put these paper pinout cards on a breadboard, push the Pico through and voilá — there’s the pin numbers, easy to see where to connect things.