DFRobot DFR1221 ESP32-S3 Round Display Development Board

DFRobot DFR1221 ESP32-S3 Round Display Development Board is a powerful, all-in-one platform engineered for creating sophisticated visual and interactive applications. This board features an ESP32-S3R8 dual-core @ 240MHz MCU, 8MB PSRAM, 16MB onboard Flash, 520KB SRAM, a 1.85" round TFT LCD, and a 5-point capacitive touchscreen. The DFR1221 development board includes Wi-Fi® and BLUETOOTH® connectivity, onboard audio for AI-powered voice interaction, and convenient Qi-wireless charging. This ESP32-S3 round display development board is fully compatible with the Arduino IDE for rapid prototyping. Typical applications include a smart home control hub, an interactive wearable prototype, a custom AI voice assistant, a portable industrial dashboard, and a digital music visualizer.

Features

  • Processing power:
    • ESP32-S3R8 dual-core @ 240MHz MCU
    • 8MB PSRAM
    • 16MB on-board Flash
    • 520KB SRAM
  • Display and interaction:
    • 1.85" round TFT LCD screen
    • 360 x 360 pixels (262K C=colors) resolution
    • 5-point capacitive touchscreen
    • LVGL, Arduino GFX, and more UI frameworks

Applications

  • Smart home control hub
  • Interactive wearable prototype
  • Custom AI voice assistant
  • Portable industrial dashboard
  • Desktop info hub
  • Digital music visualizer

Specifications

  • Connectivity and power:
    • Wireless: 2.4GHz Wi-Fi® and BLUETOOTH® LE 5.0
    • Wired interface: USB Type-C® (for power and data)
    • Wireless power: Qi wireless charging receiver
  • Audio and storage:
    • Onboard I2S digital microphone audio input
    • 3.5mm audio jack audio output
    • MicroSD card slot storage
  • Software support:
    • Arduino IDE, ESP-IDF, and MicroPython programming
    • CNC Aluminum alloy shell case

ESP32-S3 Core of the Round Display Development Board

DFRobot DFR1221 ESP32-S3 Round Display Development Board

Color display and Interfaces

DFRobot DFR1221 ESP32-S3 Round Display Development Board
Published: 2026-01-16 | Updated: 2026-01-23