It uses the RP2350A microcontroller chip, a dual-core, dual-architecture, equipped with a dual-core ARM -M33 processor and a dual-core Hazard 3 RISC-V processor, with a clock running frequency of up to 150MHz Built-in 520KB and 2MB on-chip Flash Using the Type-C interface, keeping up with the trend of , no need to worry about whether to plug it in the right or wrong direction USB1.1 host and device support, 1 USB expansion port on board, compatible with USB2.0/1.1 transmission 12 programmable I/O (PIO) state machines for custom peripheral support Name:Development Board Colour:blue Material:PCB Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 1 * Development Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.