Using the RP2350 microcontroller chip designed by : dual-core, dual-architecture, equipped with dual-core ARM -M33 processor and dual-core Hazard3 RISC-V core processor, both running at up to 150MHz flexible clock Built-in 520KB and 4MB on-chip Flash:Stamp hole design, can be directly welded and integrated into the user's self-designed baseboard,USB1.1 host and device support,Support low-power sleep and hibernation modes Can be identified as a large-capacity storage through USB for drag-and-drop download of programs:Up to 26 multi-function GPIO pins 2 SPI, 2 I2C, 2 UART, 3 12-bit ADC, 24 controllable PWM channels,Accurate on-chip clock and timer Temperature sensor:12 programmable I/O (PIO) state machine for custom peripheral support For 2 is a low-cost, high-performance microcontroller development board with flexible digital interfaces. In terms of hardware, it uses the RP2350 microcontroller chip independently developed by , with a dual-core, dual-architecture, a running frequency of up to 150MHz, built-in 520KB and 4MB memory, and up to 26 multi-function GPIO pins on board. For software, you can choose the C/C++ SDK provided by , or use MicroPython for development, which can be easily and quickly started and embedded in the product. Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. for Raspberry-Pi--2-Kit-B Colour:Green Material:PCB Package Contents: 1 x Development Board Kit 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.