WAVESHARE RP2350 1.75-Inch AMOLED Screen Development Board AMOLED screen specifications 1. Display panel: AMOLED 2. Display size: 1.75 inches 3. Display resolution: 466 x 466 pixels 4. Display colors: 65K 5. Display brightness: 700 cd㎡ 6. Contrast ratio: 100000:1 7. Communication interface: QSPI 8. Driver IC: CO5300 9. Touch: supported 10. Touch IC: CST9217 Product features 1. Unique dual-core, dual-architecture design, featuring a dual-core ARM Cortex-M33 processor and a dual-core Hazard3 RISC-V processor, both operating at clock frequencies up to 150MHz, allowing users to flexibly switch between the two architectures. 2. Built-in 520KB SRAM and 16MB on-chip Flash, with a reserved PSRAM pad. 3. Onboard 1.75-inch capacitive touch HD AMOLED screen. 1. Screen: 466 × 466 resolution, 65K color, capable of clearly displaying color images. 2. Built-in CO5300 driver chip and CST9217 capacitive touch chip, using QSPI and I2C interfaces respectively for communication, minimizing interface pin usage. 3. Onboard 3.7V MX1.25 lithium battery chargingdischarging interface, beneficial for mobile applications. 4. USB 1.1 master and slave device support. 5. Supports low-power sleep and hibernation modes. 6. Can be recognized as a mass storage device via USB for drag-and-drop program download. 7. Five multi-functional GPIO pins. 8. One SPI, two I2C, two UART, four 12-bit ADCs, and five controllable PWM channels. 9. Precise on-chip clock and timers. 10. Built-in temperature sensor for real-time chip temperature monitoring. 11. Twelve programmable IO (PIO) ports. 14. State machine for custom peripheral support. 15. Employs AXP2101 for efficient power management, supports multiple voltage outputs, integrates charging and battery management functions, and optimizes battery life. 16. Uses an AMOLED screen with higher contrast, wider viewing angles, richer colors, and faster response time, resulting in superior visual effects while offering advantages such as slim design, low power consumption, and flexibility. 17. Compact panel for more touch possibilities, suitable for various smart device development, enabling human-computer interaction functions, and can operate independently with a battery. 18. Onboard audio codec chip supports high-quality audio processing, providing clear and excellent audio input and output.