# ESP32-S3 Round Touch Display Development Board (1.85", AI Voice & Wireless Charging)

**Type:** Product page · **SKU:** DFR1221 · **Brand:** [DFRobot](https://core-electronics.com.au/brands/dfrobot-australia)
**Page:** https://core-electronics.com.au/dfrobot-esp32-s3-round-touchscreen-iot-dev-board-ai-voice-qi-wireless-charging.html ([markdown](https://core-electronics.com.au/dfrobot-esp32-s3-round-touchscreen-iot-dev-board-ai-voice-qi-wireless-charging.html.md))

The ESP32-S3 Round Display Dev Board. A powerful, all-in-one platform with a 1.85" capacitive touchscreen, AI voice functions, and Qi charging for...

## Pricing

- **Price:** $65.75 (inc GST) — $59.77 AUD, exc GST

## Availability & dispatch

- In stock, ships same business day if ordered before 2PM (Australia/Sydney).
- We can dispatch 5 today, and up to 60 more in 8–12 days.

## Description

The ESP32-S3 Round Display Development Board is a powerful, all-in-one platform engineered for creating sophisticated visual and interactive applications. It builds upon a feature-rich ESP32-S3 core by integrating a vibrant, 1.85-inch circular touchscreen directly onto the board. The development board is packed with features beyond the display, including Wi-Fi & Bluetooth connectivity, onboard audio for AI voice interaction, and convenient Qi wireless charging. This high level of integration simplifies the entire development process for complex projects like smart home control panels, industrial HMIs, and custom wearable prototypes, allowing developers to focus on what truly matters: the software and user experience.

**High-Performance ESP32-S3 Core**

At the core of this development board lies a powerful ESP32-S3R8 dual-core processor, running at a main frequency of up to 240MHz. This robust processing power is complemented by a generous memory configuration, including 8MB of PSRAM and 16MB of Flash. This combination gives the board the resources to handle demanding tasks, render complex graphical user interfaces like LVGL smoothly, and execute AI algorithms for voice and sensor data processing.

![ESP32-S3 Core of the Round Display Development Board](https://dfimg.dfrobot.com/enshop/image/data/DFR1221/ESP32-S3_0x0.jpg.webp)

Figure: ESP32-S3 Core of the Round Display Development Board

**Integrated 1.85" Round Touchscreen**

The esp32 s3 dev board's most striking feature is its integrated 1.85-inch round TFT LCD screen, which offers a sharp 360x360 pixel resolution and a palette of 262K colors. This circular HMI panel ensures excellent visual clarity and a wide viewing angle. Paired with a responsive capacitive touch controller, it delivers an intuitive multi-touch experience essential for modern UI design and fluid user interaction.

**Ready for AI Voice Interaction**

Engineered for next-generation voice-controlled applications, this esp32 display development board includes a built-in I2S digital microphone and a standard 3.5mm audio interface. This integrated audio hardware allows for seamless voice capture and audio output, enabling the development of projects with custom voice assistant functionality, real-time sound analysis, and interactive audio feedback.

![Color display & Interfaces of ESP32-S3 round display development board](https://dfimg.dfrobot.com/enshop/image/data/DFR1221/DFR1221-interface-2_0x0.jpg.webp)

Figure: Color display & Interfaces

**Seamless Connectivity & Modern Power Options**

The ESP32-S3 round display development board offers comprehensive connectivity with both 2.4GHz Wi-Fi and Bluetooth LE 5.0, making it ideal for any IoT ecosystem. Uniquely, it also incorporates a Qi wireless charging circuit, offering a modern, cable-free power solution perfect for enclosed or portable designs. A standard USB Type-C port remains available for programming and wired power.

**A True Development Platform**

Designed for maximum developer flexibility, this ESP32-S3 round display development board functions as a complete and powerful platform. It is fully compatible with the Arduino IDE for rapid prototyping, the ESP-IDF for advanced, low-level control, and MicroPython for a streamlined scripting experience. This flexibility makes it an accessible yet powerful tool for developers of all skill levels.

![Developer-Friendly Display Module of ESP32-S3 round display development board](https://dfimg.dfrobot.com/enshop/image/data/DFR1221/3_0x0.jpg.webp)

Figure: Developer-Friendly Display Module

### Specification

Processing Power

20. MCU: ESP32-S3R8 Dual-Core @ 240MHz
21. PSRAM: 8MB
22. Flash: 16MB On-board
23. SRAM: 520KB
Display & Interaction

25. Screen: 1.85" Round TFT LCD
26. Resolution: 360 x 360 Pixels (262K Colors)
27. Touch: 5-Point Capacitive Touchscreen
28. UI Frameworks: LVGL, Arduino GFX, and more
Connectivity & Power

30. Wireless: 2.4GHz Wi-Fi & Bluetooth LE 5.0
31. Wired Interface: USB Type-C (for power and data)
32. Wireless Power: Qi Wireless Charging Receiver
Audio & Storage

34. Audio Input: Onboard I2S Digital Microphone
35. Audio Output: 3.5mm Audio Jack
36. Storage: MicroSD Card Slot
Software Support

38. Programming: Arduino IDE, ESP-IDF, MicroPython
39. Case: CNC Aluminum Alloy Shell
### Documents

41. [Product wiki](https://wiki.dfrobot.com/SKU_DFR1221_ESP32_S3_1_85inch_Round_Display_Development_Board)

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/D/F/DFR1221-1.jpg)