1. Equipped with ESP32-S3R8 high-performance Xtensa 32-bit LX7 dual-core processor, up to 240MHz 2. Supports 2.4GHz Wi-Fi (802.11 b/g) and Bluetooth 5 (LE), with onboard antenna 3. Built-in 512KB ROM and 384KB ROM, 8MB PSRAM, and 16MB external Flash 4. Onboard 1.9-inch LCD screen, 170x320 resolution, 262K color 5. Onboard QMI8658 six-axis inertial measurement unit (3-axis accelerometer, 3-axis gyroscope) for motion detection 6. Onboard USB Type-C interface for power supply and programming/debugging 7. Onboard 3.7V lithium battery charging and discharging interface 8. Onboard Micro-SD card slot for external storage 9. Compatible pin headers for connecting various peripherals, enabling strong compatibility and scalability This product features the ESP32-S3R8 chip, supports 2.4GHz Wi-Fi and BLE 5, integrates 16MB Flash and 8MB PSRAM, and includes a 1.9-inch LCD display. It supports GUI frameworks such as LVGL. Additional onboard resources include the QMI8658 sensor, Micro-SD card slot, and lithium battery interface. Pin headers are provided for expansion. Color: As Shown Material: PCB + LCD Package Contents: 1 × ESP32-S3 Development Board with 1.9-inch Display Note: Lighting conditions and screen settings may cause slight color variation between images and the actual product. Measurement tolerance: ±1–3 cm.