The ESP32-S3-Touch-LCD-1.85B is a high-performance, highly integrated microcontroller development board designed by Waveshare. It features a CNC-machined aluminum alloy case, offering a compact and premium appearance. Onboard 1.85inch LCD capacitive touch display, integrated 6-axis sensor (3-axis accelerometer and 3-axis gyroscope), low power audio codec, echo cancellation circuit, and so on. Built-in speaker and with reserved space for Lithium Batt. With a comprehensive hardware configuration and strong expandability, it provides strong support for quickly building functions and product prototype validation.

• Equipped with high-performance ESP32-S3R8 Xtensa 32-bit LX7 dual-core processor, up to 240MHz main frequency
• Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE), with onboard antenna
• Built-in 512KB Static RAM and 384KB ROM, with onboard 8MB PSRAM and external 16MB Flash memory
• Type-C port, improving device compatibility, easier to use
• Onboard 1.85inch LCD capacitive touch display, 360 × 360 resolution, 262K color
• Built-in ST77916 display driver and CST816S capacitive touch chip, using QSPI and I2C communication respectively, effectively saving IO resources
• Equipped with dual microphones array, enabling audio algorithms such as noise reduction and echo cancellation, suitable for accurate voice recognition and near-field / far-field voice wake-up applications
• Onboard QMI8658 6-axis IMU (3-axis accelerometer and 3-axis gyroscope)
• Onboard PWR and BOOT programmable buttons for easy custom function development
• Onboard 3.7V MX1.25 Lithium Batt recharge/discharge header
• Adapting 1 × GPIO, 1 × UART, and 1 × USB interfaces for external device connection and debugging, enabling flexible peripheral configuration