Waveshare ESP32-S3 Touch AMOLED – 1.75" 466×466

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.

Key features

• 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.

Available options

AMOLED Specifications

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.

Hardware layout

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 accelerometer
10. AXP2101 Highly integrated power management IC
11. 2.54mm 8PIN header for debugging and connecting peripherals
12. Dual microphones with onboard echo cancellation circuit, enabling higher-quality audio capture
13. IPEX 1 GPS connector for connecting GPS antenna (Note: for the GPS version only, with built-in LC76G module. Standard version does not support GPS)
14. Type-C port ESP32-S3 USB interface, for program burning and log printing
15. ES7210 Echo cancellation algorithm chip, for reducing echo and enhancing audio capture accuracy
16. MX1.25 Lithium battery header MX1.25 2P connector, for 3.7V Lithium battery, supports charging and discharging