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ESP32-S3 1.75Inch AMOLED round Touch Display Development Board, 32-Bit LX7 Dual-Core Processor, 466×466 Pixels, QSPI InterfaceDescription type LED Display Modules origin Mainland China high-concerned chemical none model ESP32-S3-Touch-AMOLED-1.75 display panel AMOLED display size 1.75 inch resolution 466 * 466 pixels communication interface QSPI

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 with CO5300 Display Driver and CST9217 Capacitive Touch Chip

Version Options

All versions come with touch version with protective version, with built-in LC76G module, comes with a GNSS ceramic 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

Display Panel

AMOLED

Display Size

1.75 inch

Resolution

466 × 466 pixels

Display cd/㎡

Contrast Interface

QSPI

Driver IC

CST9217

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

1. ESP32-S3R8
   The SoC with WiFi and Bluetooth, up to 240MHz operating frequency, with onboard 8MB PSRAM

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

3. IPEX1 connector
   Switching to use the external antenna via resoldering an onboard resistor

4. PWM button
   for system power supply ON/OFF, supports custom function

5. BOOT button
   for device startup and function debugging

6. MX1.25 2P speaker header

7. TCA9554
   GPIO expander chip

8. PCF85063
   RTC chip

9. QMI8658
   6-axis IMU includes a 3-axis gyroscope and a 3-axis integrated power management IC

10. 2.54mm 8PIN header
    for debugging and connecting peripherals

11. Dual microphones
    with onboard echo cancellation circuit, enabling higher-quality audio capture

12. IPEX 1 GPS connector
    for connecting GPS antenna (for the GPS version only, with built-in LC76G module)

13. Type-C port
    ESP32-S3 USB interface, for program burning and log printing

14. ES7210
    Echo cancellation algorithm chip, for reducing echo and enhancing audio capture accuracy

15. 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 & CONTENT

Weight:0.029 x1

8Ω 2W speaker with case x1

8Ω 2W speaker x1

8Ω 2W speaker ×1

GNSS ceramic antenna US

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