While Raspberry Pi has its own RP2040-powered board in the Raspberry Pi Pico, there are now more than a dozen, third-party solutions that offer improvements which range from smaller sizes to built-in Wi-Fi, more storage or a lot of additional outputs. There are even RP2040-powered keypads.
To help you choose, we’ve listed the best RP2040 boards below. These boards can be used for everything from general learning to building Wi-Fi connected robots to implementing basic A.I.
https://blog.adafruit.com/2021/06/11/toms-hardware-best-rp2040-boards-2021-rp2040-tomshardware/