The Nano and Pico do have some pinout similarities ... If you're more interested in programming with C/C++, there's an 88-page guide you can refer to. The Arduino Nano and Raspberry Pi Pico ...

No wonder most Arduino projects look like a breadboard ... because the manufacturers will pick whatever suits them on that day. Programmer pinouts for specific microcontrollers are a similar ...

The article gives an Arduino pinout and the program used to drive the monitor with very detailed comments. Although this hack is by no means a finished product, the now blurry test pattern seen ...