Description
Waveshare ESP32-S3-Touch-AMOLED-1.75-G is a 1.75inch AMOLED round touch development board that combines the ESP32-S3R8 platform with GNSS support, dual microphones, speaker output, 466×466 AMOLED display, and battery-ready hardware in a compact round form factor. It is designed for projects that need both a premium circular UI and location-aware or voice-capable hardware, making it a strong fit for smart wearables, portable assistants, GPS-enabled terminals, and ESP32-S3 speech interaction demos.
Features
- 1.75inch round AMOLED display: 466×466 resolution, 16.7M colors, high contrast, and a circular layout for refined UI design.
- ESP32-S3R8 onboard: Xtensa 32-bit LX7 dual-core processor up to 240MHz with Wi-Fi and Bluetooth 5 LE.
- GNSS-ready hardware: Includes a dedicated GPS connector and bundled GNSS ceramic antenna for positioning-based projects.
- Audio and speech hardware: Includes dual microphones, 8Ω 2W speaker, and ES7210 echo-cancellation support for speech-oriented interaction.
- Power and battery support: Includes AXP2101 PMIC, lithium battery header, and power control for portable workflows.
- Sensor and storage support: Built with QMI8658 IMU, PCF85063 RTC, and a TF card slot.
Specifications
| Item | Details |
|---|---|
| Brand | Waveshare |
| Part No. | ESP32-S3-Touch-AMOLED-1.75-G |
| Main chip | ESP32-S3R8 |
| CPU | Xtensa 32-bit LX7 dual-core, up to 240MHz |
| Wireless | 2.4GHz Wi-Fi (802.11 b/g/n), Bluetooth 5 LE |
| Memory | 8MB PSRAM, 16MB Flash |
| Display | 1.75inch AMOLED, 466 × 466, 16.7M colors |
| Brightness | 700cd/㎡ |
| Contrast ratio | 100000:1 |
| Display interface | QSPI |
| Driver / touch IC | CO5300 / CST9217 |
| GNSS | GPS connector with GNSS ceramic antenna included |
| Audio | Dual microphones, ES7210, 8Ω 2W speaker support |
Applications
- GPS-enabled smart devices: Suitable for portable positioning terminals, route-aware interfaces, and outdoor data nodes.
- Speech interaction prototypes: The microphones and speaker support make it practical for assistant-style or voice-enabled demos.
- Round AMOLED dashboards: A strong fit for circular HMI, smart watches, and compact premium touch terminals.
- Portable ESP32-S3 products: The battery support and integrated PMIC help for rechargeable mobile designs.
- Sensor-rich connected interfaces: IMU, RTC, storage, and GNSS make it more capable than a basic display-only board.
Product List
ESP32-S3-Touch-AMOLED-1.75-G x1
8Ω 2W speaker x1
GNSS ceramic antenna x1
Other Content
What's On Board
- ESP32-S3R8: Main Wi-Fi and BLE SoC with onboard 8MB PSRAM.
- QMI8658 + PCF85063: IMU and RTC for motion-aware and time-based functionality.
- AXP2101: Highly integrated power management IC.
- Dual microphones + ES7210: Higher-quality audio capture with echo-cancellation support.
- TF card + lithium battery header: Storage and rechargeable operation support.
- GPS antenna path: Dedicated IPEX 1 GPS connector for the included GNSS ceramic antenna.
Interface Notes
- Speaker header: Uses an MX1.25 2P speaker header for the bundled 8Ω 2W speaker.
- GNSS connector: Uses the dedicated IPEX 1 GPS connector for location applications.
- 8PIN 2.54mm header: Available for debugging and peripheral connections.
- Type-C: Used for program burning and log printing through the ESP32-S3 USB interface.
Outline Dimensions
Resources
- Official Wiki
- Waveshare Documentation Platform
- Official FAQ
- Schematic PDF
- Official Demo Package
- 3D STEP File
- ESP32-S3 Datasheet
FAQ
Does this version include GNSS hardware accessories?
Yes. This SKU includes the GNSS ceramic antenna and is built around the ESP32-S3-Touch-AMOLED-1.75-G version with dedicated GPS connector support.
Why is this board stronger for speech interaction than a basic display board?
It combines a round AMOLED touch display, dual microphones, speaker support, and ES7210 echo-cancellation hardware, which makes it much more suitable for voice-oriented projects.
What kinds of projects fit this board best?
It works especially well for GPS-enabled smart devices, voice-capable assistants, portable circular UI products, and ESP32-S3 sensor-rich terminals.