1RP2040 Microcontroller Chip: Using RP2040 microcontroller chip, equipped with dual core ARM Cortex M0 + processor, running frequency up to 133MHz flexible clock. 228 Inch LCD Display: Built in 264KB Static Random Access Memory and 2MB on chip Flash, onboard a 28 inch LCD display, onboard lithium battery charging and discharging interface, which is conducive to the use of RP2040 LCD 28 in some mobile scenarios. 3Type C Interface: Adopt Type C interface, keep up with the trend of the times, no need to worry about positive and negative insertion, USB1 host and device support, support low power sleep and hibernation modes. 4About GPIOs: All GPIOs (30 in total, but some pins have been connected to the internal bu circuit, you need to pay attention when multiplexing, please refer to the details) through the 27 pitch female header. 5Drag and Drop Program Download: The drag and drop program download via USB recognition as mass storage, 2 SPI, 2 I2C, 2 UART, 4 12bit ADCs, 16 controllable PWM channels. 6Reliable Performance: Accurate on chip clocks and timers, temperature sensor, on chip accelerated floating point library, 8 programmable I/O (PIO) state machines for custom peripheral support.