
LILYGO T-Dongle ESP32-S2
USB-A dongle form factor board with ESP32-S2, 1.14-inch ST7789V IPS LCD, Wi-Fi, OTG, TF card slot, and Grove connector. Predecessor to the T-Dongle S3 series, ideal for portable USB IoT devices.
$10.44
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Specifications
Components
Single-core Xtensa LX7 at 240MHz with Wi-Fi 802.11 b/g/n; no Bluetooth hardware
1.14-inch IPS LCD controller; 135×240 resolution at 260 PPI; 4-wire SPI interface
Bus Interfaces
Overview
The LILYGO T-Dongle ESP32-S2 is a USB-A dongle form factor development board based on the ESP32-S2 Xtensa LX7 processor. It integrates a 1.14-inch ST7789V IPS color LCD (135×240 pixels) on a board measuring just 72×23×12mm. The board includes an OTG male/female interface, TF (microSD) card slot, Grove 4-pin I2C/UART connector, DIP switch, and a high-sensitivity 3D Wi-Fi antenna with optional IPEX external antenna connection. It ships with a transparent ABS protective case. Note: this board uses Wi-Fi only (no Bluetooth) as the ESP32-S2 does not include Bluetooth hardware.
Use Cases
5USB HID Device
Implementing a USB Human Interface Device such as a keyboard, mouse, game controller, or MIDI device using native USB support.
Portable Display
Battery-powered portable display for showing sensor data, maps, or user interfaces on the go.
USB Data Logger
Data logging device that connects via USB for capturing sensor, serial, or system data.
WiFi Sniffing
Capturing and analyzing WiFi packets for network research, presence detection, and crowd analysis.
Embedded UI
Embedded graphical user interfaces for touchscreen devices, control panels, and custom displays.
Where to Buy
Available Software
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