LilyGo T-Dongle-S3 ESP32 with USB and Display

The LilyGo T-Dongle-S3 is a USB stick with the ESP32-S3 (Wi-Fi, Bluetooth LE), 16 MB flash and a 0.96 inch IPS colour display with 80 × 160 pixels (ST7735, SPI). The ESP32-S3 has its own USB interface (USB OTG): on the computer it can appear, for example, as a keyboard, storage device or serial port. A hidden microSD card slot sits in the USB plug, plus an APA102 RGB LED and a boot button.

Recommended alternative with ESP32-C5 and housing: LilyGo T-Dongle-C5 ESP32-C5 with USB, Display, and Case

Recommended Accessories:

• 8GB MicroSDHC memory card Class 10 UHS-I incl. SD adapter

Features:

• ESP32-S3, dual-core Xtensa LX7
• 16 MB flash, no PSRAM
• Wi-Fi 2.4 GHz and Bluetooth LE
• IPS display 0.96 inch, 80 × 160 pixels, ST7735 controller, SPI
• USB-A plug directly on the ESP32-S3 (USB OTG)
• microSD card slot in the USB plug
• APA102 RGB LED on GPIO39 (CLK) and GPIO40 (DIN)
• Boot button on GPIO0
• Transparent plastic housing
• Pinout as an image in the picture gallery

Application Examples:

• USB stick with display, for example for status values on the computer
• USB input devices such as macro keys or keyboards
• Data logger with microSD card
• Integration into Home Assistant with ESPHome

Documentation:

• T-Dongle-S3 on GitHub (LilyGo, English)
• ESPHome documentation: ESP32 Platform

Technical Data:

• Manufacturer: LilyGo
• Manufacturer SKU: K193
• Microcontroller: ESP32-S3
• CPU: Xtensa dual-core LX7
• Flash: 16 MB
• PSRAM: none
• Radio: Wi-Fi 2.4 GHz, Bluetooth LE
• Display: IPS, 0.96 inch, 80 × 160 pixels, ST7735, SPI
• LED: APA102 (RGB)
• Connector: USB-A plug
• Power supply: 5 V via USB (4.8 to 5.5 V)
• Logic voltage: 3.3 V
• Dimensions: 58.6 × 17.9 × 8.7 mm
• Weight: 19 g

Scope of Delivery:

• 1× LilyGo T-Dongle-S3 ESP32 with USB and Display