Waveshare RP2350A 1.54inch E-Paper Display Development Board 200 × 200 Resolution, 1. The product is a high-performance, highly integrated microcontroller development board. It integrates high-capacity Flash and onboard 1.54inch e-paper display, features ultra-low power consumption and ambient light readability, suitable for portable devices and long-Batt-life scenarios. Integrated with an RTC chip, SHTC3 temperature and humidity sensor, TF card slot, low-power audio codec chip circuit, and Lithium Batt recharge and discharge management circuit. Reserved interfaces including USB, UART, I2C, and GPIO for easy functionality expansion and sensor connectivity, providing a flexible and reliable development platform for IoT terminals, electronic tags, portable displays, and other applications. 2. Features the RP2350A microcontroller chip developed by Raspberry Pi 3. Unique dual-core, dual-architecture design: equipped with dual-core ARM Cortex-M33 and dual-core Hazard3 RISC-V processors; clock speeds up to 150MHz; allows flexible switching between the two architectures 4. Built-in 520KB SRAM and 16MB on-chip Flash 5. Uses a USB Type-C interface—modern and convenient, eliminating the need to worry about plug orientation 6. Onboard 1.54-inch E-Ink display (200 × 200 resolution) featuring high contrast and wide viewing angles 7. Supports USB 1.1 Host and Device modes 8. Supports low-power sleep and dormant modes 9. Recognized as a mass storage device via USB for drag-and-drop file uploading 10. Breaks out 7 GPIO pins and USB+- pins from the RP2350A 11. Includes 1x I2C, 1x UART, 2x 12-bit ADC, and 6x controllable PWM channels; features precise on-chip clocks and timers 12. Built-in temperature sensor for real-time chip temperature monitoring 13. 12 Programmable IO (PIO) state machines for custom peripheral support Specifications: 1. Display Panel: E-Ink screen 2. Display Size: 1.54 inches 3. Resolution: 200 × 200 4. Grayscale Levels: 2 5. Communication Interface: SPI 6. Full Refresh