Adafruit Feather RP2040 with USB Type A Host : ID 5723 : $17.50 : Adafruit Industries, Unique & fun DIY electronics and kits
Waveshare RP2040-One, 4MB Flash MCU Board Based On Raspberry Pi RP2040 | eBay
Raspberry Pi RP2040: Our Microcontroller for the Masses - Arm Newsroom
Micro RP2040 is a tiny Raspberry Pi RP2040 module with a USB Type-C port, 28 castellated & through holes - CNX Software
Waveshare RP2040-Tiny Development Board, Raspberry Pi Microcontroller Development Board, Based On Official RP2040 Dual Core Processor, USB Port Adapter Board Optional
Designing a Minimal RP2040 Dev Board - Hackster.io
Introduction to the PIO (Programmable Input Output) of the RP2040