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