Waveshare 33868 ESP32-S3 1.54 Inch LCD Display Development Board 262K Color, Supports Dual Microphones, 2.4GHz Wi-Fi And BLE 5 1. Equipped with the high-performance Xtensa 32-bit LX7 dual-core processor of ESP32-S3R8, with a main frequency of up to 240 MHz 2. Supports 2.4GHz Wi-Fi (802.11 bgn) and Bluetooth 5 (LE), with built-in antenna 3. Equipped with 512KB of SRAM and 384KB of ROM, and stacked 8MB PSRAM and externally connected 16MB Flash 4. Uses Type-C interface, eliminating the need to worry about the front or back insertion, improving the users convenience and device compatibility 5. Equipped with a 1.54-inch LCD screen, 240 x 240 resolution, 262K color, capable of clearly displaying color images 6. Equipped with ES7210 audio encoding chip, supporting dual-microphone audio acquisition and echo cancellation function 7. Equipped with ES8311 audio codec chip, NS4150B power amplifier chip, microphone and speaker, enabling smooth gaming with Xiaozhi AI 8. Equipped with QMI8658 six-axis inertial measurement unit (3-axis acceleration, 3-axis gyroscope), capable of detecting motion posture to expand applications 9. Exposed I2C, UART and other pads, available for external devices and debugging use, flexible configuration of peripheral functions 10. Equipped with 3 customizable function buttons, capable of achieving single-click, double-click, long press and other operations 11. Equipped with 3.7V MX1.25 lithium battery charging and discharging interface 12. Equipped with Micro SD card slot, enabling storage expansion, high-speed data transmission, improving flexibility of use, suitable for data recording and media playback, simplifying circuit design LCD screen parameters 1. Display panel: IPS 2. Display resolution: 240 x 240 pixels 3. Display size: 1.54 inches 4. Communication interface: 4-Wire SPI 5. Touch type: capacitive sensing 6. Display colors: 262K 9. Driving IC: ST7789 10. Touch IC: CST816 11. Effective screen size: about 2.772 x 2.772 cm