T-RGB

T-RGB is the first circular touch display screen of LilyGo. The screen uses a 2.1/2.8inch ST7701S TFT LCD full-color display.

The main control chip adopts ESP32-S3R8 Tensilica Xtensa Dual-Core LX7 Microprocessor, this chip supports Wi-Fi 802.11 b/g/n and Bluetooth 5.

For half circle and full circle version (2.1 inches) :

"Both the half circle and full circle models have a 2.1" display size, the main difference is the touch chips and glass covers different
The half circle touch chip is the FT3267 and the full circle touch chip is the CST820.
To meet the needs of different customers, we use different glass covers, while the display screen is the same for both models".

2.1 inches Half Circle	2.1 inches Full Circle	2.8 Inches Full Circle
Touch Chip: FT3267	Touch Chip: CST820	Touch Chip: GT911

Specifications

MCU	ESP32-S3R8 Dual-core LX7 microprocessor
Wireless Connectivity	Wi-Fi 802.11, BLE 5 + BT mesh
Programming Platform	Arduino-ide, VS Code

Onboard functions:

PSRAM	16MB
Flash	8MB
Button	Boot; Reset
Bat voltage detection	IO04

TF-Card Slot

2.1 inch ST7701S IPS TFT LCD:

Resolution	480(H) X 480(V) RGB Full Color
Interface	3-wire SPI + 18bit RGB interface
Drive IC	ST7701S
Display Type	2.1-inch TFT LCD

 

Sample Code For Reference [Github]

If you need technical support please check the link to find more details.

T-RGB

Size

2.8 inches version

2.8" LCD Display Detailed Dimensions

Pin Diagram

2.1 inches version

2.8 inches version

Appearance

2.1 inches Half Circle Version

Note: Batteries do not include