LILYGO T-Display S3 Long ESP32-S3 3.4-Inch Touch Display Board

The LILYGO T-Display S3 Long is an ESP32-S3 development board featuring an ultra-wide 3.4-inch capacitive touchscreen, Wi-Fi and Bluetooth connectivity, 16MB flash memory, and 8MB PSRAM. Its distinctive 180 × 640 display makes it ideal for elongated dashboards, control panels, status displays, portable IoT devices, and custom touchscreen interfaces.

Powered by the ESP32-S3R8 dual-core LX7 microprocessor, the T-Display S3 Long provides the processing power, memory, wireless connectivity, and display capabilities required for advanced embedded applications. It supports development through the Arduino IDE and Visual Studio Code.

3.4-Inch Capacitive Touch Display

The board features a 3.4-inch TFT LCD with capacitive touch support and an ultra-wide 180 × 640 resolution. Its long display format is well suited to scrolling information, system statistics, menus, smart home controls, timers, sensor data, and compact visual dashboards.

The display uses a QSPI interface and supports 565 and 666 color depth modes for clear and responsive graphics.

ESP32-S3R8 Development Platform

The ESP32-S3R8 dual-core LX7 microprocessor provides strong performance for graphical interfaces, connected devices, automation, and IoT development. With 16MB of flash memory and 8MB of PSRAM, the board has enough memory for more detailed user interfaces, graphics, wireless applications, and larger firmware projects.

Wi-Fi and Bluetooth Connectivity

The T-Display S3 Long includes Wi-Fi connectivity, Bluetooth Low Energy 5, and Bluetooth Mesh support. These wireless capabilities make it suitable for connected displays, remote controls, smart home interfaces, sensor systems, and portable IoT applications.

Capacitive Touch Controls

The CST3530 capacitive touch controller enables direct interaction with buttons, menus, sliders, and other graphical interface elements. This allows developers to create compact touchscreen devices without requiring additional external controls.

Key Features

• LILYGO T-Display S3 Long development board
• ESP32-S3R8 dual-core LX7 microprocessor
• 3.4-inch capacitive touch TFT LCD
• Ultra-wide 180 × 640 display resolution
• CST3530 capacitive touch controller
• QSPI display interface
• 565 and 666 color depth support
• Wi-Fi connectivity
• Bluetooth Low Energy 5 support
• Bluetooth Mesh support
• 16MB flash memory
• 8MB PSRAM
• Boot and reset buttons
• Onboard battery switch
• Compatible with Arduino IDE and Visual Studio Code
• STEMMA QT and Qwiic expansion support through included cables

Technical Specifications

• MCU: ESP32-S3R8 dual-core LX7
• Flash memory: 16MB
• PSRAM: 8MB
• Display size: 3.4 inches
• Display type: capacitive touch TFT LCD
• Resolution: 180 × RGB × 640
• Touch controller: CST3530
• Display interface: QSPI
• Color depth: 565 and 666
• Wireless connectivity: Wi-Fi, Bluetooth LE 5, and Bluetooth Mesh
• Onboard controls: boot button, reset button, and battery switch
• Programming platforms: Arduino IDE and Visual Studio Code

Ideal Applications

• Ultra-wide IoT dashboards
• Smart home control panels
• Sensor monitoring displays
• Portable touchscreen devices
• System performance monitors
• Timers and information displays
• Wireless remote controls
• Bluetooth Mesh applications
• Custom ESP32-S3 user interfaces
• Embedded development and prototyping

What’s in the Box?

Basic Version

• 1 × T-Display S3 Long 3.4 V1.0
• 2 × STEMMA QT/Qwiic interface cables
• 1 × double-row female pin header
• 1 × power cable

Version with Shell

• 1 × T-Display S3 Long 3.4 V1.0
• 2 × STEMMA QT/Qwiic interface cables
• 1 × double-row female pin header
• 1 × power cable
• 1 × compatible protective shell

Version Selection Notice

This product may be available as a basic board or as a version supplied with a protective shell. Please check the selected product option before ordering.

Ultra-Wide ESP32-S3 Touchscreen for IoT Projects

The LILYGO T-Display S3 Long combines an unusual ultra-wide touchscreen, powerful ESP32-S3 hardware, generous memory, wireless connectivity, and flexible development support. It is an excellent platform for developers who want to build compact connected devices with distinctive graphical interfaces.