The T3-S3 V1.3 is a versatile ESP32-S3 based development platform featuring triple wireless connectivity (LoRa/WiFi/BLE) and dual QWIIC sensor ports. Designed for IoT prototyping, this board supports SX1262/76/78/80 and SX1280 LoRa modules with 868/915MHz or 2.4GHz operation, making it ideal for long-range communication projects across different regional standards.
Features
📡 Flexible LoRa Configuration
• SX1262/76/78/80 Support: 868/915MHz operation
•Critical pins: , , , , , ,
• SX1280 Support: 2.4GHz LoRa capability
• IPEX 1.0 Antenna Connector for external antenna
🔌 Dual Expansion Systems
• QWIIC Ports (, ) for plug-and-play I2C sensors
• OLED SSD1306 Interface: Ready for 128×64 displays
⚡ Multi-Power Options
• USB-C Power Input (5V/500mA)
• Solar Charging (4.4-6V input)
• 18350 Battery Support (via onboard connector)
🧩 GPIO Flexibility
• ADC Channels: , , etc.
• Serial Ports: ,
• FSPI Interface: Shared with LoRa module
Technical Specifications
| Parameter | Details |
|---|---|
| MCU | ESP32-S3 (16MB Flash + 8MB PSRAM) |
| LoRa Options | SX1262/76/78/80 (868/915MHz) or SX1280 (2.4GHz) |
| Wireless | WiFi 4 + Bluetooth LE 5.0 |
| Display | SSD1306 OLED Compatible |
| Development | Arduino IDE, VS Code, ESP-IDF |
| Dimensions | Compact form factor |
What's Included
• T3-S3 V1.3 Main Board ×1
• (Optional) IPEX antenna (typically bundled)