Specifications: Product name: Microcontroller moduleMaterial: PCB+metalModel: RP2040 PlusCPU: core ARM Cortex 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 PicoMain functional features include:1. RP2040 microcontroller chip designed by for 2. Equipped with core ARM Cortex M0+processor, and flexible clock with operating frequency up to 133MHz3. in 264KB SRAM and 16MB on-chip Flash4. Type-C interface is adopted to keep up with the trend of , without the need to in front and back5. The on-board lithium battery charging and discharging interface is conducive to the use of this product in some mobile scenes6. On board DC-DC chip MP28,164 is a high efficiency DC-DC boost chip with load current up to 2A7. Stamp hole design, which can be directly welded and integrated to the plate independently designed by users8. USB1.1 and equipment support9. Support low and modes10. Drag and drop downloading program identified as mass storage via USB11. Up to 26 multi-functional GPIO pins12. 2 SPI, 2 I2C, 2 UART, 3 12 bit ADC, and 16 controllable PWM channels13. Precise on-chip clock and timer14. Temperature sensor15. On chip accelerated floating point library16. 8 programmable I/O (PIO) state machines for custom peripheral supportcolor: blueOn chip Flash: 16MBProduct size: 51 x 21mmPackage Contents:1 x RP2040 Plus microcontrollerOnly 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.