Using the RP2040 microcontroller chip officially designed by for Equipped with dual-core ARM M0+ processor, running frequency up to 133MHz flexible clock Built-in 264KB SRAM and 16MB on-chip Flash USB1.1 host and device support Supports low-power sleep and hibernate modes Can be recognized as mass storage via USB for drag-and-drop program download Up to 30 multi-function GP10 pins 2 SPIs, 2 12C, 2 UARTs, 4 12-bit ADCs, 16 controllable PWM channels Accurate on-chip clocks and Temperature Sensor 8 programmable I/O (P10) state machines for custom peripherals. Micro-Python firmware that has been burned can be directly developed using Micro-Python Type:Development Board Is Welded:Not welded Due to different batches, there may be differences in product appearance and printed text, which will not affect use. Colour:As Shown Material:PCB Package Contents: 2 x Development Board 6 x Pin Header 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.