Specifications: Product name: Microcontroller module Material: PCB+metal Model: RP2040 Plus CPU: dual core ARM M0+ Battery interface: MX1.25 connector, which can be used to access 3.7V lithium battery and support charging and discharging. Pin interface: compatible with the standard interface for Pico Main functional features include: 1. RP2040 microcontroller chip designed by for 2. Equipped with dual core ARM M0+processor, and flexible clock with operating frequency up to 133MHz 3. Built in 264KB SRAM and 16MB on-chip Flash 4. Type-C interface is adopted to keep up with the trend of , without the need to in front and back 5. The on-board lithium battery charging and discharging interface is conducive to the use of this product in some mobile scenes 6. On board DC-DC chip MP28,164 is a high efficiency DC-DC boost chip with load current up to 2A 7. Stamp hole design, which can be directly welded and integrated to the base plate independently designed by users 8. USB1.1 Host and equipment support 9. Support low power sleep and sleep modes 10. Drag and drop downloading program identified as mass storage via USB 11. Up to 26 multi-functional GPIO pins 12. 2 SPI, 2 I2C, 2 UART, 3 12 bit ADC, and 16 controllable PWM channels 13. Precise on-chip clock and timer 14. Temperature sensor 15. On chip accelerated floating point library 16. 8 programmable I/O (PIO) state machines for custom peripheral support color: blue On chip Flash: 16MB Product size: 51 x 21mm Package Contents: 1 x RP2040 Plus microcontroller 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.