Used for Raspberry Pi1 RP2040 microcontroller chip Dual-core Arm Cortex M0+ processor running at up to 133 MHz 264KB SRAM and 2MB onboard flash memory Castellated modules allow direct soldering to the board 8 programmable I/O (PIO) state machines for custom peripheral support Product Name: for Pico Control Chip: RP2040 (ARM Cortex 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 mass drag-and-drop download Development Environment: Studio Code, Material: PCB Color: Green Product Size: 51 x 21mm Package Contents: 1 x Development Board 1 x Pin Header 1 x USB Cable 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 to be slightly different from the real item. The allowed measurement error is +/- 1-3cm.