The usual path was buying an expensive metal box with USB connectors, using logic analyzers ... you can simply use a Pi Pico – you only need to tap the D+ and D- pins, wire them to RP2040 ...
The Raspberry Pi Pico is fitted with the Raspberry Pi ... unlike the Nano (you can refer to the Pico pinout guide to avoid confusion). The Nano and Pico do have some pinout similarities, though.
Dr. Raphaël Boichot has managed to emulate the original Game Boy Printer using a Raspberry Pi Pico board as the main driver.
If you're looking at comparing the Raspberry Pi Pico to Arduino boards, though they're broadly similar, they use different programming languages and have different pinouts. Spec-wise, the Pico 2 W ...
Jaeheon Shim is using a Raspberry Pi Pico to power this Inky Frame display with a custom organizer setup that integrates with Todoist.
All that’s hiding inside that heavy-duty plastic box is the Pi Pico and some screw down terminals that let [Alberto] easily wire up the female bulkhead connectors for the pedals themselves.