【As Small As Your Thumb】Only 2.1cm*5.1cm. Pico has been designed to use either soldered 0.1" pin-headers or can be used as a surface-mountable module. | 【Rich Hardware Interface】Raspberry Pi Pico has 26 × multi-function GPIO pins, 2 × SPI, 2 × I2C, 2 × UART, 3 × 12-bit ADC, 16 × controllable PWM channels. | 【Multiple Software Support】Pico has rich and complete software support, it comes with a complete Rasberry Pi official C/C++ SDK, Micropython SDK. | 【High-Performance CPU】Dual-core ARM Cortex M0+ processor, flexible clock running up to 133 MHz, 264kB of SRAM, and 2MB of on-board Flash memory. | Notice: We only provide after-sales service purchased from ELECFREAKS