Description
LILYGO® T-Dongle-S3 ESP32‑S3 Development Board With Screen Dongle – a powerful, compact solution for IoT, wearables, and rapid prototyping. Featuring a 0.96‑inch ST7735 LCD, dual‑mode Wi‑Fi/Bluetooth, and TF card support, this dongle turns any ESP32‑S3 into a fully interactive, high‑performance device.
Key Highlights
- Compact 38 mm × 38 mm form factor, ideal for embedded projects
- 0.96‑inch 80 × 80 pixel ST7735 TFT LCD with touch‑capable interface
- ESP32‑S3 MCU: 240 MHz dual‑core, 512 KB SRAM, 4 MB flash
- Dual‑mode Wi‑Fi 802.11 b/g/n & Bluetooth 5.0 LE for seamless connectivity
- TF (microSD) card slot for expandable storage up to 32 GB
- Integrated 3.7 V Li‑Po charger, 5 V USB‑C power input, and battery backup
- USB‑C to UART bridge for easy firmware flashing and debugging
- Rich peripheral set: 6‑pin GPIO header, I²C, SPI, UART, ADC, PWM, and more
- Open‑source firmware libraries available on GitHub for rapid development
- Certified for safety and compliance, ready for commercial production
Why Choose the T‑Dongle‑S3?
Whether you’re building a smart home hub, a wearable health monitor, or a remote sensor node, the T‑Dongle‑S3 delivers the processing power, connectivity, and visual output you need—all in a single, solder‑less package. Its low power consumption and battery‑friendly design make it perfect for portable and low‑maintenance applications.
Ideal Use Cases
- IoT gateways and edge devices
- Wearable prototypes with real‑time display
- Educational kits for learning embedded systems
- Rapid prototyping for industrial automation
- Smart home controllers with local UI
Upgrade your next project with the LILYGO® T‑Dongle‑S3 – where performance meets simplicity.






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