Used for Raspberry Pi1 RP2040 microcontroller chip Dual-core Arm M0+ processor running up to 133 MHz 264KB SRAM and 2MB onboard flash memory Castellated modules allow for direct soldering onto the PCB 8 programmable I/O (PIO) state machines for custom peripheral support Product Name: for 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: -20-80 Number of pins: 40 pins Accuracy: 12-bit 500KPS Development language: -Python.C, C++ Burning: recognized as storage drag-and-drop download Development environment: Visual Studio Code, Material: PCB Color: Green Product size: 51 x 21mm Package contents: 1 x Development Board 1 x Pin Header Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3cm.