ESP32-S3 1.75inch AMOLED Round Touch Display Development Board, 32-bit LX7 Dual-core Processor, 466×466 Pixels, QSPI Interface

ESP32-S3 1.75inch AMOLED Round Touch Display Development Board, 32-bit LX7 Dual-core Processor, 466×466 Pixels, QSPI Interface, Onboard Dual Digital Microphones Array, ESP32 With Display

ESP32-S3-Touch-AMOLED-1.75

Embedded with CO5300 Display Driver and CST9217 Capacitive Touch Chip

Version Options

All versions come with touch function

ESP32-S3-Touch-AMOLED-1.75

Standard version

ESP32-S3-Touch-AMOLED-1.75-B

Standard version with protective case

ESP32-S3-Touch-AMOLED-1.75-G

GPS version, with built-in LC76G module, comes with a GNSS ceramic antenna

Features

The ESP32-S3-Touch-AMOLED-1.75 is a high-performance, highly integrated MCU board designed by Waveshare. It is compact in size, onboard 1.75inch AMOLED capacitive touch display, power management IC, 6-axis sensor (3-axis accelerometer and 3-axis gyroscope), RTC chip, low power audio codec, echo cancellation circuit, and so on, which makes it easy for you to develop and integrate into the products quickly.

Equipped with 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 of SRAM and 384KB ROM, with onboard 8MB PSRAM and an external 16MB Flash memory

Type-C connector, improving device compatibility, easier to use

Onboard 1.75inch AMOLED capacitive touch display for clear color picture display, 466 × 466 resolution, 16.7M color

Built-in CO5300 display driver and CST9217 capacitive touch chip, using QSPI and I2C communication respectively, effectively saving the IO resources

Equipped with dual digital microphones array for audio algorithms such as noise reduction and echo cancellation, suitable for accurate speech 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 PCF85063 RTC chip, powered by Lithium battery through AXP2101 chip for uninterrupted power supply

Onboard PWR and BOOT programmable buttons for easy custom function development

Onboard 3.7V MX1.25 Lithium battery recharge/discharge header

Onboard 8PIN 2.54mm header adapting 3 × GPIO and 1 × UART, and reserved pads of I2C and 3 × expanded IO interfaces, for connecting peripherals and debugging

Onboard TF card slot for extended storage and fast data transfer, suitable for applications such as data recording and media playback, simplifying circuit design

Adopts AXP2101 IC for efficient power management, supports multiple voltage outputs, battery charging, battery management, and battery life optimization, etc.

Adopts AMOLED screen, featuring advantages of high contrast, wide viewing angle, rich colors, fast response, thinner design, and low power consumption, etc.

AMOLED parameters

Small Size, Touch More Possibilities

Suitable For Various Smart Device Development, and Can Realize Human-Computer Interaction Function. Supports connecting to a battery for independent operation

Adopts AMOLED screen

The next-generation display technology, compared to traditional LCD displays, the AMOLED screen features precise light-control capability, representing more delicate colors, more picture details, and more vivid videos and images

178° wide viewing angle

Excellent Display Performance, 16.7M color, wide viewing angle

Onboard audio codec

Supports high-quality audio processing, providing clear and high-quality audio input and output

Supports AI Speech Interaction

Allows access to online large model platforms such as DeepSeek, Doubao, etc.

Supports ESP-IDF, Arduino

Comprehensive SDK, dev resources, tutorials to help you easily get started

Wi-Fi and BLE 5 support

ESP32-S3 integrates 2.4 GHz Wi-Fi (802.11 ax/b/g/n) with 40 MHz of bandwidth support, Its Bluetooth Low Energy subsystem supports Bluetooth 5 (LE) and Bluetooth Mesh

What's On Board

ESP32-S3R8

The SoC with WiFi and Bluetooth, up to 240MHz operating frequency, with onboard 8MB PSRAM

Onboard antenna

Supports 2.4 GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE)

IPEX1 connector

Switching to use the external antenna via resoldering an onboard resistor

PWM button

for system power supply ON/OFF, supports custom function

BOOT button

for device startup and function debugging

MX1.25 2P speaker header

TCA9554

GPIO expander chip

PCF85063

RTC chip

QMI8658

6-axis IMU includes a 3-axis gyroscope and a 3-axis accelerometer

AXP2101

Highly integrated power management IC

2.54mm 8PIN header

for debugging and connecting peripherals

Dual microphones

with onboard echo cancellation circuit, enabling higher-quality audio capture

IPEX 1 GPS connector

for connecting GPS antenna (for the GPS version only, with built-in LC76G module)

Type-C port

ESP32-S3 USB interface, for program burning and log printing

ES7210

Echo cancellation algorithm chip, for reducing echo and enhancing audio capture accuracy

MX1.25 Lithium battery header

MX1.25 2P connector, for 3.7V Lithium battery, supports charging and discharging

outline dimensions

without case

with protective case

Resources & Services

Wiki: www.waveshare.com/wiki/ESP32-S3-Touch-AMOLED-1.75

PACKAGE CONTENT

Weight: 0.029 kg

ESP32-S3-Touch-AMOLED-1.75

ESP32-S3-Touch-AMOLED-1.75 x1

8Ω 2W speaker ×1

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ESP32-S3-Touch-AMOLED-1.75-B

ESP32-S3-Touch-AMOLED-1.75 with case x1

8Ω 2W speaker ×1

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ESP32-S3-Touch-AMOLED-1.75-G

ESP32-S3-Touch-AMOLED-1.75-G x1

8Ω 2W speaker ×1

GNSS ceramic antenna ×1

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