The RP2040 microcontroller chip independently designed by for is adopted. Dual-core ARM M0+ processor with flexible clock running at up to 133MHz. Built-in 264KB and 2MB onboard Flash. On-board FPC 8PIN interface, USB Type-C interface can be led out through the adapter board. The real stamp hole design can be directly welded and integrated into the bottom plate designed by users. USB1.1 host and device support. Support low-power sleep and hibernation modes. Can be identified by USB as a large-capacity memory for drag-and-drop downloading programs. Lead out 20 multifunctional GPIO pins. 2 SPI, 2 12C, 2 UART, 4 12-bit ADC and 16 controllable PWM channels. Accurate on-chip clock and timer. Temperature sensor. On-chip accelerated floating-point library. Eight programmable 1/O(PIO) state machines to customize peripheral support. Color:Blue Material:PCB Package Contents: 1 * Development Board Kit 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.