ESP32-S3 1.75inch AMOLED Round Touch Display Development Board, 466 × 466 resolution, Aluminum Alloy Case, Onboard Dual Microphones Array, Portable Mini Display

The ESP32-S3-Touch-AMOLED-1.75C is a high-performance, highly integrated MCU board designed by Waveshare. It features a CNC-machined aluminum alloy case, offering a compact and premium appearance. Onboard 1.75inch AMOLED capacitive touch display, highly integrated power management chip, 6-axis sensor (3-axis accelerometer and 3-axis gyroscope), RTC chip, low power audio codec, echo cancellation circuit, and so on. Built-in speaker and with reserved space for Lithium Batt (included), providing powerful support for rapid development 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 an external 32MB Flash memory
• Type-C port, improving device compatibility, easier to use
• Onboard 1.75inch AMOLED capacitive touch display for clear color picture display, 466 × 466 resolution, 16.7M color
• Adopts AMOLED screen, featuring advantages of high contrast, wide viewing angle, rich colors, fast response, thinner design, and low power consumption, etc.
• Built-in CO5300 display driver and CST9217 capacitive touch chip, using QSPI and I2C communication respectively, effectively saving the IO resources
• Equipped with a dual-microphone 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) for detecting motion gesture, counting steps, etc.
• Onboard PWR and BOOT programmable buttons for easy custom function development
• Onboard 3.7V MX1.25 Lithium Batt recharge/discharge header
• Adopts AXP2101 IC for efficient power management, supports multiple voltage outputs, Batt charging, Batt management, and Batt life optimization, etc.

WIKI: http://docs.waveshare.com/ESP32-S3-Touch-AMOLED-1.75C