WAVESHARE ESP32-S3 Development Board Equipped With 3.49 Inch IPS Capacitive Touchscreen, Spec: Model A With Battery

LCD screen parameters:1. Display panel: LCD2. Display size: 3.49 inches3. Display resolution: 172 x 6404. Display colors: 16.7M5. Display brightness: 350 cd/m26. Contrast ratio: 1200:17. Display Interface: QSPI8. Driver chip: AXS15231B9. Touch interface: I2C10. Touch type: capacitive sensing11. Size: model A about 9.269 x 3.48 x 3.18cm, model B about 9.269 x 3.48 x 2.28cmFeatures:1. Powered by ESP32-S3R8 high-performance Xtensa 32-bit LX7 dual-core processor, clocked up to 240MHz2. Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE) with onboard antennas3. Incorporates 512KB SRAM and 384KB ROM, with 8MB PSRAM stacked and external 16MB Flash4. Onboard 3.49-inch capacitive touch HD IPS display, 172 × 640 resolution, 16.7M colors, clearly displays color images5. Equipped with dual microphone array, enabling audio algorithms like noise reduction and echo cancellation, suitable for precise voice recognition and near-field/far-field voice wake-up applications6. Integrated AXS15231B display driver IC communicating via QSPI and I2C interfaces7. Onboard QMI8658 six-axis IMU (3-axis accelerometer, 3-axis gyroscope) for detecting device orientation and step counting8. On-board PCF85063 RTC chip for convenient implementation of real-time clock functionality9. Two customizable side buttons (PWR, BOOT) for developing user-defined functions10. On-board 3.7V MX1.25 lithium battery charge/discharge interface or 18650 battery holder11. Onboard Micro SD card slot for flexible storage expansion and rapid data transfer, suitable for data logging and media playback, simplifying circuit design12. Reserved 22-pin 2.54mm pitch through-hole pads for connecting external modules or functional expansion, enhancing development flexibility