1. RP2040 microcontroller chip designed by for raspberry pie foundation 2. Dual core ARM M0+processor, flexible clock with operating frequency up to 133MHz 3. 264KB SRAM and 2MB on-board flash memory 4. It can be directly welded on the base plate designed by itself 5. USB1.1 mainboard and device support 6. Low power sleep and sleep mode 7. Drag and drop programming using storage via USB 8. Temperature sensor 9. On chip accelerated floating point library 10. 8 programmable IO (PIO) state machines for custom peripheral support 11. Onboard WiFi function ( Raspberry Pie Pico W model) Product name: Pico W Development Board Control chip: RP2040 (ARM MO+dual core 133MHz processor, 264KSRAM) Flash:2MByte Wifi/Bluetooth: CYW43439 wireless chip: supports IEEE802.11b/g wireless LAN. USB port: -USB Power supply mode: USB-5V VSYS-1.8V-5.5V Power supply voltage: 5V Output power supply: 5V/3.3V GPIO level: 3.3V Working current: no more than 300mA Operating temperature: - 20 to 80 Number of pins: 40 Pin accuracy: 12 bit 500KPS Development language: -Python, C, C++ Burning mode: identified as storage holding download Development environment: Visual studio code, Welding needle: None Size: 51.3 x 21 x 3.9mm Colour:green Material:PCB+Metal Package Contents: 1 x Pico W development board 1 x USB cable 1 x Acrylic case 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.