1. RP2040 microcontroller chip independently designed by for 2. Dual core ARM Cortex M0+processor, operating frequency up to 133MHz flexible clock3. in 264KB SRAM and 4MB on-chip Flash4. The real stamp hole design can be directly welded and integrated into the user's independently designed plate5. USB1.1 and equipment support6. Support low and modes7. Drag and drop downloading program identified as mass via USB8. 29 GPIO pins of RP2040 are led out (20 can be led out through pin array, and the rest can only be led out by welding)9. SPI * 2, 1202, UART * 2, 12 bit * 4, PWM * 1610. Precise on-chip clock and timer11. Temperature sensor12. On chip accelerated floating library13. 8 programmable IO (PIO) state machines for customized peripheral supportProduct name: RP2040 One Development BoardProduct size: 35.5x 18mmColour:blueMaterial:PCBPackage Contents:1 x RP2040 One Development BoardOnly 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.