LILYGO T-Display S3 Long
ESP32-S3 development board with an elongated 3.4" capacitive touch TFT LCD (180×640 resolution), 16MB Flash, 8MB PSRAM, Wi-Fi, Bluetooth 5, and optional enclosure variant.
$29.35
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Specifications
Components
Bus Interfaces
Overview
The LILYGO T-Display S3 Long is a distinctive ESP32-S3-based development board featuring an elongated 3.4-inch capacitive touch TFT LCD display with 180×640 pixel resolution, driven via QSPI. The extended aspect ratio makes it well-suited for scrolling dashboards, status bars, menu interfaces, and long-form data displays. Powered by the ESP32-S3R8 with 16MB Flash and 8MB PSRAM, it supports Wi-Fi 802.11 and Bluetooth 5 with BT mesh capability. The board includes battery voltage detection on IO02, onboard Boot and Reset buttons, and a battery switch for power management. It is available in a basic version and a with-shell variant that includes a protective enclosure. Development is supported via Arduino IDE and VS Code (PlatformIO).
Use Cases
5IoT Sensor Display
Display board for visualizing sensor data from IoT devices, home automation, and weather stations.
Smart Home Dashboard
Wall-mounted or tabletop display showing Home Assistant dashboards, sensor readings, and smart home controls.
HMI Panel
Human-machine interface panel with touchscreen for industrial or home control applications.
Prototyping
Rapid hardware prototyping and proof-of-concept development with breadboard-friendly form factors and accessible development environments.
Data Logging
Recording time-stamped sensor readings, environmental data, or system events to local storage.
Where to Buy
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