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ESP32-S3 LilyGO T3 S3 Meshtastic LoRa SX1276 868MHz OLED 128x64 slot SD
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Vendor:
Lilygo
Description
Product Description
The LilyGO T3 S3 module is an advanced development board based on the ESP32-S3 microcontroller, integrated with the LoRa SX1276 868 MHz radio chip. The device is designed for use in mesh networks, including the popular Meshtastic software. The board is equipped with a clear 0.96" OLED display with a resolution of 128x64 px and a practical microSD (TF) card slot. The module is an excellent foundation for IoT projects, offering Wi-Fi and Bluetooth 5.0 LE wireless connectivity. The board is intended for use with Arduino and ESP32.
Key Technical Features
- Microcontroller: ESP32-S3FH4R2 (dual-core, clock speed up to 240 MHz)
- Memory: 4 MB Flash / 2 MB PSRAM
- LoRa chip: SX1276 operating in the 868 MHz band
- Display: 0.96" OLED 128x64 px (SSD1306 chip, I2C interface)
- Wireless communication: Wi-Fi 802.11 b/g/n, Bluetooth 5.0 LE, LoRa
- Antenna connectors: onboard SMA connector and IPEX socket
- Power supply: USB-C port (5 V) or JAR JST-PH connector for 1S Li-Po cells (3.7 V)
- Built-in charger: TP4057 chip with 500 mA charging current
- Interfaces and pins: GPIO, I2C, SPI, UART, TF (microSD) card slot
- Dimensions: 66 x 36 x 14 mm (24 mm height with SMA connector mounted)
Example Applications
- Building large-scale Meshtastic communication networks
- Telemetry systems and remote monitoring of environmental parameters
- Internet of Things (IoT) solutions requiring long range
- Weather stations with wireless data transmission
- Distributed sensor networks in agriculture or industry
Benefits
- Ready to use: Integrated display and radio chip minimize the need for external modules.
- Independent power supply: Built-in charging circuit allows easy connection and charging of Li-Po batteries.
- Long communication range: LoRa technology and SMA connector for an external antenna enable transmission over many kilometers.
- Expandable storage: SD card slot makes it easy to log large amounts of measurement data.
- Versatile programming: Full support for the ESP32 ecosystem makes it easy to create custom software.
Package Contents
- ESP32-S3 LilyGO T3 S3 LoRa SX1276 module
- Dedicated 868 MHz band antenna
- Goldpin headers for self-soldering
- Power cable with JST plug
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