Using Raspberry Pi1 RP2040 microcontroller chip Dual-core Arm M0+ processor running up to 133 MHz 264KB SRAM and 2MB onboard flash Castellated modules allow direct soldering to the board 8 programmable I/O (PIO) state machines for custom peripheral support Product Name: Raspberry Pico Control chip: RP2040 (ARM MO+ dual-core 133MHz processor 264KSRAM) Flash: 2MByte USB port type: -USB Power supply mode: USB-5V, VSYS-1.8V-5.5V Supply voltage: 5V Output voltage: 5V/3.3V GPIO level: 3.3V Working current: not more than 300mA Working temperature: -20Celsius-80Celsius Number of pins: 40 pin Accuracy: 12-bit 500KPS Development language: -Python.C, C++ Burning : recognized as storage drag-and-drop download Development Environment: Visual Studio Code, Colour:green Material:PCB Size:51 x 21mm Package Contents: 1 x Development Board 1 x 3 Pin Header 2 x 20 Pin Header Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.