The Waveshare RP2350-USB-A is a compact mini development board powered by the Raspberry Pi RP2350A dual-core/dual-architecture microcontroller (Arm Cortex-M33 and Hazard3 RISC-V) running at up to 150 MHz. It features an onboard USB Type-A port driven by Programmable I/O (PIO) for USB host/device connectivity, alongside a USB-C port for power and drag-and-drop programming.