The ESP32-S3 2.1" Capacitive Touch Round Display Development Board combines a powerful dual-core SoC with a brilliant 2.1-inch IPS touch display (480×480) capable of showing 262,000 colors. The round touchscreen module offers excellent color reproduction, wide viewing angles, and is perfect for graphical user interfaces (GUIs) such as LVGL. Ideal for modern HMI and IoT applications.
Equipped with the ESP32-S3R8 processor (up to 240 MHz), 16 MB Flash, 8 MB PSRAM, WiFi, and Bluetooth 5 (BLE), the board provides extensive connectivity options via UART, I2C, and GPIO. Additional features such as a 6-axis IMU sensor, real-time clock, TF card slot, and battery charge management complete the package.
Technical Specifications
- Processor: Xtensa® 32-bit LX7 Dual-Core, up to 240 MHz clock frequency
- Memory: 512 KB SRAM, 384 KB ROM, 16 MB Flash, 8 MB PSRAM
- Display: 2.1" round IPS LCD, 480×480 pixels, 262K colors, RGB interface
- Touch: Capacitive touch (CST820), I2C interface with interrupt support
- Connectivity: 2.4 GHz WiFi (802.11 b/g/n), Bluetooth 5 (LE), onboard antenna
- Sensors: QMI8658 (6-axis IMU: gyroscope + accelerometer)
- RTC: PCF85063 real-time clock chip, header for RTC battery
- Interfaces: USB Type-C, TF card slot, UART, I2C, 12-PIN GPIO header
- Power Supply: 5 V via USB-C or 3.7 V lithium battery (MX1.25 connector)
- Other Features: Buzzer, charging indicator, power LED, RESET/BOOT buttons
- Version Options: Flat touch panel or 2.5D curved touch panel
Usage Notes
- Compatible with ESP-IDF and Arduino IDE
- Supports GUI frameworks like LVGL for smooth touch interfaces
- Excellent display quality with wide viewing angles and high brightness
- Expandable via UART, I2C, and GPIO – ideal for rapid prototyping
- Supports multiple power-saving modes for energy-efficient projects
Package Contents
- 1 × ESP32-S3 2.1" Capacitive Touch Round Display Development Board
Documentation
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