This is a tiny, fast, and versatile board built using RP2040, the microcontroller chip.Programmable in C and for MicroPython, Pico W is adaptable to a vast range of applications and skill levels, and started is as easy as dragging and dropping a file.More experienced users can take advantage of for Pico's rich peripheral set, including SPI, I2C, and eight Programmable I/O (PIO) state machines for custom peripheral support.Connect Wirelessly:Network your Pico for a complete IoT solution. for Pico W comes with a fully certified module on board featuring 2.4GHz 802.11n wireless LAN, making it the perfect solution for loT applications and projects requiring wireless communication.Specification:21 mm x 51 mm form factorDual-core Arm -M0+ processor, flexible clock running up to 133 MHz264kB on-chip 2MB on-board QSPI flash2.4GHz 802.11n wireless LAN (for Pico W and WH only)26 multifunction GPIO pins, including 3 analogue inputs2 x UART, 2 x SPI controllers, 2 x I2C controllers, 16 x PWM channels1 x USB 1.1 controller and PHY, with host and device support8 x Programmable I/O (PIO) state machines for custom peripheral supportSupported input power 1.8-5.5V DCOperating temperature -20C to +85C (for Pico and Pico H); -20C to +70C (for Pico W and Pico WH)Castellated module allows soldering direct to carrier boards (for Pico and Pico W only)Drag-and-drop programming using mass storage over USBLow-power sleep and dormant modesAccurate on-chip clockTemperature sensorAccelerated integer and floating-point libraries on-chipColor: greenMaterial: PCB+AcrylicPackage Contents:1 x development board (pin headers soldered)1x shell (upper shell + lower shell)4 x screws (screw color random Do not accept designation)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.