Waveshare ESP32-S3 1.75inch AMOLED Round Touch Display with Case

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Waveshare ESP32-S3 1.75inch AMOLED Round Touch Display with Case is a compact circular ESP32-S3 development board designed for wearables, desktop gadgets, voice interfaces, and com pact embedded UI projects. Based on the official Waveshare page for SKU 31262, this version corresponds to the ESP32-S3-Touch-AMOLED-1.75-B model, which is the standard version with protective case. The board integrates an ESP32-S3R8 dual-core MCU with a 1.75-inch AMOLED capacitive touch display, 466 x 466 resolution, dual microphones, onboard antenna, QMI8658 6-axis IMU, PCF85063 RTC, AXP2101 power management IC, and a TF card slot. Waveshare also specifies a CO5300 display driver and CST9217 capacitive touch controller, with the display and touch using QSPI and I2C respectively. Features ESP32-S3 development board with round 1.75-inch AMOLED touch display Protective case included for the 31262 / ESP32-S3-Touch-AMOLED-1.75-B version 466 x 466 resolution with 16.7M color output ESP32-S3R8 Xtensa 32-bit LX7 dual-core processor up to 240MHz 2.4GHz Wi-Fi and Bluetooth 5 LE with onboard antenna 8MB PSRAM and 16MB external flash memory CO5300 display driver and CST9217 touch chip Dual microphone array for speech recognition, noise reduction, and echo cancellation QMI8658 6-axis IMU for motion and gesture sensing PCF85063 RTC chip with battery-backed timekeeping through AXP2101 power management TF card slot for storage and media playback Type-C interface, programmable buttons, lithium battery recharge/discharge header, and 8-pin 2.54mm expansion header Specifications Parameter Value Model ESP32-S3-Touch-AMOLED-1.75-B SKU 31262 Version Standard version with protective case Main Controller ESP32-S3R8 Processor Xtensa 32-bit LX7 dual-core Main Frequency Up to 240MHz Wireless 2.4GHz Wi-Fi (802.11 b/g/n), Bluetooth 5 LE RAM 512KB SRAM, 384KB ROM, onboard 8MB PSRAM Flash 16MB external flash Display Size 1.75 inch Display Type AMOLED capacitive touch display Resolution 466 x 466 Color 16.7M colors Display Driver CO5300 Touch Chip CST9217 Display / Touch Interface QSPI / I2C Audio Dual microphone array, low-power audio codec, audio playback IMU QMI8658 6-axis IMU RTC PCF85063 Power Management AXP2101 Storage TF card slot Connectors USB Type-C, 8-pin 2.54mm header, 3.7V MX1.25 battery header Dimensions with Case Approx. 51.0mm diameter, 12.1mm max thickness Official Weight 0.029 kg Applications Wearable and round-display UI development Voice interaction and wake-word interface projects Smart desktop gadgets and information displays Motion-aware embedded devices using IMU input ESP32-S3 prototyping with touch, audio, and storage integration Package Content ESP32-S3-Touch-AMOLED-1.75 with case x1 8 ohm 2W speaker x1 Notes SKU 31262 maps to the official standard version with protective case. The official product family page also lists a standard version without case and a GPS version with built-in LC76G module. Weight is taken directly from the official package-content section. Resources Official Waveshare wiki Show more