Specification Features Uses RP2040 microcontroller chip The RP2040 microcontroller is equipped with a dual-core ARM Cortex M0+ processor. Equipped with a dual-core ARM Cortex M0+ processor, running at up to 133MHz flexible clock. Built-in 264KB SRAM and 2MB of on-chip Flash The device is equipped with a 264KB SRAM and 2MB of on-chip Flash. True postage stamp hole design for direct solder integration into user-designed backplanes. USB1.1 host and device support USB1.1 host and device support. Low power sleep and hibernation modes supported Low power sleep and hibernation modes Drag-and-drop program download via USB recognition for mass storage 29 GPIO pins on RP2040 (20 pins can be pin-out, the rest can be soldered out only). 2 SPI, 2 12C, 2 UART, 4 12-bit ADCs, 16 controllable PWM channels. Precise on-chip clocks and timers Precise on-chip clock and timer. Temperature sensors Temperature sensors. On-chip accelerated floating point library 8 programmable I/O (PIO) state machines for custom peripheral support package 1 X development board 1. We maintain a high level of responsibility for our customers and are as responsive as possible to the needs of our guests. 2. If you have any questions about our products, please contact us in time, we will solve it for you immediately! 3. Due to the different display devices, the color of the products may have some discrepancies, hope you can understand. 4. Due to the different photo shooting angle, the actual shape and size of the product may not be consistent with the picture, please refer to the description of the product size, everything shall be subject to the physical object received. 5. Thank you for your purchase, we sincerely wish you happy every day.