WAVE-31262, ESP32-S3 1.75inch AMOLED Round Touch Display Development Board, 32-bit LX7 Dual-core Processor, (Standard Version with Case)
ESP32-S3-Touch-AMOLED-1.75
Embedded with CO5300 Display Driver and CST9217 Capacitive Touch Chip
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
| Display Panel | AMOLED | Display Size | 1.75 inch |
|---|---|---|---|
| Resolution | 466 × 466 pixels | Display Colors | 16.7M |
| Brightness | 700 cd/㎡ | Contrast Ratio | 100000:1 |
| Communication Interface | QSPI | Driver IC | CO5300 |
| Touch | Supported | Touch 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.
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
Dimensions
