The RP2040 is Raspberry Pi’s first microcontroller, delivering high performance, affordability, and ease of use. Featuring a dual-core ARM Cortex-M0+ processor, large on-chip memory, and a deterministic bus fabric, it offers professional-grade power and flexibility. Its unique Programmable I/O (PIO) subsystem enables custom peripheral interfaces. Designed as a stateless device, it supports execute-in-place from external QSPI flash, allowing developers to choose storage size and reduce costs. With comprehensive documentation, a polished MicroPython port, and a built-in UF2 bootloader, the RP2040 makes embedded development accessible for beginners, hobbyists, and professionals alike.