ESP32-S3 1.75inch AMOLED Round Touch Display Development Board, 466 × 466 resolution, Aluminum Alloy Case, Onboard Dual Microphones Array, Portable Mini Display
ESP32-S3 1.75inch AMOLED
development board
Portable Mini Display, Supports Online LLM Platforms & DIY Customization
Version Options
All versions come with touch function
ESP32-S3-Touch-AMOLED-1.75C-EN
Standard version, without Lithium Batt
ESP32-S3-Touch-AMOLED-1.75C
Comes with a 3.7V Lithium Batt
(can be installed inside the case)
AMOLED parameters
| Display Panel | AMOLED | Display Size | 1.75inch |
|---|
| 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 |
|---|
Features
The ESP32-S3-Touch-AMOLED-1.75C is a high-performance, highly integrated MCU board designed by Waveshare. It features a CNC-machined aluminum alloy case, offering a compact and premium appearance. Onboard 1.75inch AMOLED capacitive touch display, highly integrated power management chip, 6-axis sensor (3-axis accelerometer and 3-axis gyroscope), RTC chip, low power audio codec, echo cancellation circuit, and so on. Built-in speaker and with reserved space for Lithium Batt, providing powerful support for rapid development and product prototype validation.
- Equipped with high-performance 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 Static RAM and 384KB ROM, with onboard 8MB PSRAM and an external 32MB Flash memory
- Type-C port, improving device compatibility, easier to use
- Onboard 1.75inch AMOLED capacitive touch display for clear color picture display, 466 × 466 resolution, 16.7M color
- Adopts AMOLED screen, featuring advantages of high contrast, wide viewing angle, rich colors, fast response, thinner design, and low power consumption, etc.
- Built-in CO5300 display driver and CST9217 capacitive touch chip, using QSPI and I2C communication respectively, effectively saving the IO resources
- Equipped with a dual-microphone array, enabling audio algorithms such as noise reduction and echo cancellation, suitable for accurate voice 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 PWR and BOOT programmable buttons for easy custom function development
- Onboard 3.7V MX1.25 Lithium Batt recharge/discharge header
- Adopts AXP2101 IC for efficient power management, supports multiple voltage outputs, Batt charging, Batt management, and Batt life optimization, etc.
Small Size, Touch More Possibilities
Suitable For Various Smart Device Development, and Can Realize Human-Computer Interaction Function. Supports connecting to a Batt for independent operation
High-quality aluminium alloy case
One-Piece CNC Aluminum Alloy Case, Lightweight & High Strength. Anodized surface finish, offering enhanced durability and surface protection for daily use
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 ESP-IDF and Arduino tutorials for easy learning. Facilitates secondary development and function expansion, accelerating application deployment
Wi-Fi and BLE 5 support
ESP32-S3 integrates 2.4 GHz Wi-Fi (802.11 b/g/n) with 40 MHz of bandwidth support,
Its Bluetooth Low Energy subsystem supports Bluetooth 5 (LE) and Bluetooth Mesh
Reserved Lanyard Mounting Holes
Suitable for Bag hanging ornament, keyring decoration, etc.
Product Overview
What's On Board
- ESP32-S3R8
The SoC with WiFi and Bluetooth, up to 240MHz operating frequency, with onboard 8MB PSRAM - 32MB NOR Flash
- QMI8658
6-axis IMU includes a 3-axis gyroscope and a 3-axis accelerometer - Dual microphones
with onboard echo cancellation circuit, enabling higher-quality audio capture - Onboard antenna
supports 2.4 GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE) - Display interface
- ES7210 echo cancellation algorithm chip
for reducing echo and enhancing audio capture accuracy
- ES8311 audio codec chip
- PWR power button
for system power supply ON/OFF, supports custom function - BOOT button
for device startup and function debugging - AXP2101
Highly integrated power management chip - Type-C port
ESP32-S3 USB port, for program burning and log printing - MX1.25 Lithium Batt header
MX1.25 2PIN connector, for 3.7V Lithium Batt, supports charging and discharging - Onboard speaker pads
outline dimensions
Resources & Services
Package Content
Weight: 0.048 kg
* the 3.7V Lithium Batt is optional.
- ESP32-S3-Touch-AMOLED-1.75C host x1
- Silver polyester lanyard x1
- OPTIONAL Lithium Batt x1
