LILYGO's T4 S3 Puts an Espressif ESP32-S3 and 8MB of PSRAM Behind a Bright, Colorful AMOLED Display
Full-color touchscreen development board, complete with battery support, could be ideal for building portable projects.
Embedded electronics specialist LILYGO has launched a new compact touch-screen development board built around the Espressif ESP32-S3: the 2.41" full-color AMOLED LILYGO T4 S3.
The new development board, brought to our attention by CNX Software, uses Espressif's ESP32-S3 system-on-chip as its base — meaning there's a dual-core 32-bit Tensilica Xtensa LX7 microcontroller running at up to 240MHz and with vector instructions for higher-performance on-device machine learning and artificial intelligence (ML and AI) workloads, plus 8MB of off-chip pseudo-static RAM (PSRAM).
Elsewhere on the board is 16MB of flash storage with microSD expansion, a 3D antenna with IPEX connector for an external antenna — using a single connection for both the on-board Wi-Fi 4 and Bluetooth 5.0 Low Energy (BLE) radios — and a USB Type-C port for both power and programming.
The highlight of the board's design, though, is the full-color display which dominates the front of the device. Built using active-matrix organic light-emitting diode (AMOLED) technology, the display has a 600×450 resolution with a claimed 800cd/m² brightness. It's fully touch-sensitive, LILYGO has confirmed, and talks to the host microcontroller over a quad-SPI bus.
The gadget includes two Qwiic ports for external hardware, a 30-pin 1.27mm-pitch header exposing available general-purpose input/output (GPIO) and power pins, and a JST-GH connector for an optional battery. Officially, the board supports development in PlatformIO, the Arduino IDE, and MicroPython — but unofficially should be compatible with anything that can run on the Espressif ESP32-S3, so long as you can find driver libraries for the display.
The LILYGO T4 S3 is now available on the company's official store, priced at $56.89.