For Boot is a microcontroller board based on the RP2040 microcontroller chip. It is designed as a low-cost, high-performance microcontroller board with a flexible digital interface. Boot features two ARM -M0+ cores up to 133MHz; 256 kB of RAM; 30 GPIO pins; and a wide range of interface options. It also comes with 16MB of onboard QSPI flash memory for code and data storage. The maximum working current can reach 500mA. Compatible with official version C/C++ SDK, Micro-python SDK. RP2040 microcontroller chip Dual-core Arm M0+ processor with flexible clock running up to 133 MHz 264KB of and 16MB of onboard Flash The maximum working current can reach 500mA Mainstream devices support USB TYPE-C interface Castellated modules allow direct soldering to carrier boards One-key reset button function, fast and convenient Low Power Sleep and Hibernation Modes Drag-and-drop programming via USB using mass storage 26 x multi-function GPIO pins 2 x SPI, 2 x I2C, 2 x UART, 3 x 12-bit ADC, 16 x controllable PWM channels On-chip accurate clock and timer Temperature Sensor Accelerated on-chip floating-point library 8 x Programmable I/O (PIO) state machines, custom peripheral support The appearance and color of products from different batches , which does not affect their use Colour: Material:PCB Package Contents: 1 x 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.