NewsLILYGO T4-S3: A Revolutionary ESP32-S3 Board with Advanced AMOLED Touchscreen

LILYGO T4-S3: A Revolutionary ESP32-S3 Board with Advanced AMOLED Touchscreen

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Introduction to LILYGO T4-S3 Board

LILYGO has introduced the T4-S3, a new ESP32-S3 board distinguished by its 2.41-inch AMOLED touchscreen display. This board stands out for its brighter colors compared to typical TFT displays, marking a significant advancement in display technology for ESP32-S3 boards.

Previous Developments and Upgrades

While LILYGO’s T-Track and T-Display-S3 AMOLED boards were the company’s initial forays into AMOLED displays for ESP32-S3 boards, the T4-S3 represents an evolution with its larger screen size and touchscreen functionality. The new board’s aspect ratio and enhanced display features make it more suitable for a broader range of Human-Machine Interface (HMI) applications.

Detailed Specifications of the T4-S3 Board

  • System on Chip (SoC): Espressif ESP32-S3R8, featuring a dual-core Tensilica LX7 microcontroller with AI acceleration capabilities.
  • Memory: 8MB PSRAM.
  • Connectivity: WiFi 4 and Bluetooth 5.0 LE + Mesh.
  • Storage: 16MB SPI flash, along with a MicroSD card socket.
  • Display: 2.41-inch RGB AMOLED touchscreen with a resolution of 600×450, 800cd/m2 brightness, and a sizeable active area.
  • USB: USB Type-C port for power and programming.
  • Antenna: 3D antenna and IPEX antenna connector.
  • Expansion Options: Includes 2x STEMMA QT/Qwiic connectors and a 30-pin header with various GPIOs and interfaces.
  • Additional Features: BOOT and Reset buttons, battery switch, and options for power supply and battery connection.
  • Dimensions: 56 x 44 x 13 mm.

Development Kit Support and Sample Code

The T4-S3 development kit is compatible with Arduino, PlatformIO IDE, and MicroPython. LILYGO provides a variety of sample codes on GitHub, including factory test code, GPS and sensor samples, touchpad demos, and more, illustrating the board’s versatility and ease of use.

Unique Features and Applications

The T4-S3 board’s AMOLED touchscreen display, combined with its efficient power consumption and connectivity options, opens new possibilities for developers and hobbyists. Its suitability for HMI applications, along with enhanced visual performance, makes it a groundbreaking product in the ESP32-S3 series.

Future Prospects in ESP32-S3 Boards

LILYGO’s T4-S3 board represents a leap forward in the ESP32-S3 board market. With its advanced features and robust performance, it is poised to set new standards in the industry and drive innovation in HMI and other technology applications.

Michal Pukala
Electronics and Telecommunications engineer with Electro-energetics Master degree graduation. Lightning designer experienced engineer. Currently working in IT industry.