The LILYGO T3 V3.0 TCXO OLED LoRa32 is a powerful ESP32-based development board with built-in LoRa (SX1276) module, 0.96" I2C OLED display, and TCXO support for enhanced frequency stability. Operating on 868MHz or 915MHz, this board is ideal for low-power long-range communication, IoT deployments, and remote sensor networks. It supports Wi-Fi, Bluetooth V4.2+ BLE, and is compatible with Qwiic/I2C expansion, TF cards, and 3.7V LiPo batteries.
Key Features
-
ESP32 microcontroller with dual-core processing
-
SX1276 LoRa chip, supports 868/915 MHz
-
Built-in 0.96-inch SSD1306 OLED (128×64)
-
Integrated TCXO crystal oscillator for high-frequency accuracy
-
Wi-Fi + Bluetooth 4.2 (BLE) wireless communication
-
Support for TF card, battery switch, USB/3.7V battery power
-
Compatible with Arduino, PlatformIO, and ESP-IDF
-
I2C interface: SDA–IO21, SCL–IO22
-
Built-in reset + boot buttons
Technical Specifications
| Parameter | Details |
|---|---|
| MCU | ESP32 (ESP32-Pico-D4) |
| Flash | 4MB |
| Wireless | LoRa (SX1276), Wi-Fi, Bluetooth |
| Display | 0.96" SSD1306 OLED (128×64) |
| Frequency Range | 868 / 915 MHz (LoRa) |
| Power Supply | USB / 3.7V LiPo Battery |
| Charging Current | 1A |
| Battery Connector | JST 2-Pin 1.25mm |
| I2C Expansion | Qwiic Compatible |
| TF Card Support | Yes |
Package Includes
-
1 × T3 LoRa32 Board
-
1 × LoRa Antenna
-
1 × JST Cable
-
2 × Header Pins
Application Scenarios
-
Long-range IoT communication (LoRaWAN)
-
Remote weather and environmental monitoring
-
Low-power asset tracking
-
Smart agriculture solutions
-
Wireless sensor networks
References