YRREATY Development Board Peripherals UART GPIO Expandable UART, , GPIO, with onboard audio codec and offline voice model for commands.

Onboard QMI8658 six- inertial measurement unit (3- acceleration, 3- gyroscope), which can detect motion posture, step counting and other functions. Onboard PCF85063 RTC Chip, can achieve uninterrupted power supply through external battery, RTC function continues to work when replacing the main battery. Onboard PWR, BOOT two customizable side buttons, buttons can be used for custom function development. Onboard 3.7V MX1.25 lithium battery charging and discharging interface. This product is a microcontroller development board that supports 2.4GHz Wi-Fi and Bluetooth BLE 5. It integrates large-capacity Flash and PSRAM, and has an onboard 1.46-inch touch LCD screen. It can run GUI interface programs such as LVGL smoothly. Combined with a variety of peripheral interfaces, it can quickly develop applications such as HMI of -. Equipped with -S3R8 high-performance Xtensa 32-bit LX7 dual-core processor, with a main frequency of up to 240MHz. Supports 2.4 GHz Wi-Fi (802.11 b/g) and Bluetooth 5 (LE), with onboard antenna. Built-in 512 KB and 384 KB ROM, stacked 8 MB PSRAM and onboard 16 MB Flash (supports access to expansion devices). Uses Type-C interface to improve user convenience and device compatibility. Onboard 1.46-inch LCD screen, resolution 412x412, 16.7M color. Supports interface to control touch, supports interrupts. Lead out UART, and some IO interfaces. Onboard Micro-SD card slot for extended storage and fast data transmission, with flexibility, suitable for data recording and media playback, simplifying circuit design. Supports flexible clock, multiple power modes and other accurate control, to achieve multi-scenario low power mode. Bring out multiple GPIO pins, can be mapped to a variety of functional interfaces, convenient for customer custom development.