Features: 1.Dua Core Processor: Equipped with dual core ARM Cortex M0+ processor, the operating frequency is up to 133MHz flexible clock, built in 264KB SRAM and 4MB on chip Flash. 2.1.8A Current Switch: On board lithium battery charge and discharge interface, on board DC DC chip TPS63000, 1.8A current switch high efficiency DC DC reduction voltage boost chip, 8 programmable IO/(PIO) state machines, For custom peripheral support. 3.26 Multi Function Pins: up to 26 multi function GPIO pins, 2 SPI, 2 12C, 2 UART, 3 12 bit ADC, 16 controllable PWM channels. Accurate on chip clocks and timers, temperature sensor, on chip accelerated floating point library. 4.Type C Interface: The Development board uses the RP2040 microcontroller chip designed by the official for Raspberry Pi, and the Type C interface needs to be entangled in the front and back. 5.Low Power Sleep: Supports low power sleep and hibernation modes, and can be recognized as mass storage via USB for drag and drop program downloads. The stamp hole design can be directly welded and integrated into the bottom plate designed by the user. specification:Item Type: Development Board Material:PCB Main Chip: RP2040 Microcontroller Chip Independently Developed for Raspberry Pi Voltage Regulator Chip: TPS63000 USB: Type C Flash: 4MB Lithium Battery Port: Support (While Charging and Discharging) PackageList:1 x DevelopmentBoard