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. 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. 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. 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. 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 ho