This is a tiny, fast, and versatile board 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 getting started is as easy as dragging and dropping a file. More experienced users can take advantage of for Pico's peripheral set, including SPI, I2C, and eight Programmable I/O (PIO) state machines for peripheral support. 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 factor Dual-core Arm -M0+ processor, flexible clock running up to 133 MHz 264kB on-chip SRAM 2MB on-board QSPI flash 2.4GHz 802.11n wireless LAN (for Pico W and WH only) 26 multifunction GPIO pins, including 3 analogue inputs 2 x UART, 2 x SPI controllers, 2 x I2C controllers, 16 x PWM channels 1 x USB 1.1 controller and PHY, with and device support 8 x Programmable I/O (PIO) state machines for peripheral support Supported input 1.8-5.5V DC Operating temperature -20C to +85C (for Pico and Pico H); -20C to +70C (for Pico W and Pico WH) Castellated module allows soldering direct to boards (for Pico and Pico W only) Drag-and-drop programming using mass storage over USB Low- sleep and dormant modes on-chip clock Temperature sensor Accelerated integer and floating- libraries on-chip Color: green Material: PCB+Acrylic Package Contents: 1 x development board (pin headers not soldered) 3 x pin headers 1 x 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 the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.