¶ LilyGo T-Beam - Overview
The LilyGo T-Beam is a versatile IoT development board designed for long-range LoRa communication, featuring built-in GPS, Bluetooth, and Wi-Fi capabilities. It is well-suited for outdoor applications such as GPS tracking, mesh networking, and environmental monitoring, making it a popular choice for Meshtastic networks.
¶ Key Specifications
| Type | Description |
|---|---|
| MCU | ESP32 dual-core LX6 microprocessor (240 MHz) |
| Wireless Connectivity | LoRa (SX1276) + Bluetooth + WiFi |
| Frequency | 433 MHz / 868 MHz / 915 MHz LoRa bands |
| LoRa Range | Up to 10+ km (depending on environment/setup) |
| GPS | Ublox Neo-6M |
| Flash Memory | 4 MB (supports firmware and storage) |
| Power Supply | 5V via USB Type-C or 18650 Li-Ion battery (3.7V) |
| Battery Charger | Built-in 18650 battery charger |
| GPIO | 16 GPIO pins for sensors, modules |
| Weight | Approx. 45 g (with 18650 battery) |
| Dimensions | 80 x 30 x 19 mm |
¶ Notes
Pros:
-
Built-in GPS:
The integrated Ublox Neo-6M GPS module makes the T-Beam ideal for location-based applications such as GPS tracking and navigation.
Comparison: Unlike the Heltec V3 or RAK4631, which require an external GPS module, the T-Beam provides this functionality out of the box. -
Long-Range LoRa Communication:
The T-Beam supports LoRa communication over distances of up to 10+ km, making it a solid choice for wide-area networks.
Comparison: While the range is slightly shorter than that of the RAK4631, the built-in GPS and additional features make up for it in many use cases. -
Dual Power Options:
The T-Beam can be powered via USB Type-C or a rechargeable 18650 Li-Ion battery, offering flexibility for both stationary and mobile applications.
Comparison: The RAK4631 uses a similar dual power option, though the T-Beam’s 18650 battery support makes it more suited for long-term, off-grid use.
Cons:
-
High Power Consumption:
The T-Beam consumes more power due to its integrated GPS and Wi-Fi/Bluetooth capabilities, which may require more frequent recharging.
Comparison: The RAK4631, optimized for low-power applications, is better suited for energy-efficient deployments. -
Larger Size:
The T-Beam is larger and heavier compared to other Meshtastic devices like the Heltec V3 or RAK4631, which may limit its use in space-constrained or portable installations.
The LilyGo T-Beam is a feature-rich board that combines LoRa, GPS, and Wi-Fi/Bluetooth capabilities into a single device. It excels in outdoor and mobile applications where GPS tracking and long-range communication are needed. However, its higher power consumption and larger size make it less suited for low-power or compact installations. For users in Meshtastic networks or GPS tracking systems, the T-Beam is an excellent all-in-one solution, particularly in outdoor or remote environments.
¶ T-Beam Base Board - Overview
The T-Beam base board is designed to support the ESP32 MCU and a variety of wireless communication options, with a focus on GPS and LoRa connectivity. It provides expansion options for sensors and peripherals, making it suitable for a wide range of IoT applications.
¶ Key Specifications
| Type | Description |
|---|---|
| Power Supply | 5V via USB Type-C or 18650 Li-Ion battery (3.7V) |
| Battery Charger | Built-in 18650 battery charger |
| Wireless Connectivity | LoRa, Bluetooth, Wi-Fi |
| GPS | Ublox Neo-6M |
| GPIO | 16 GPIO pins (shared between LoRa, sensors, and peripherals) |
| Operating Temperature | -40°C to 85°C |
| Dimensions | 80 x 30 x 19 mm (board only) |
¶ Notes
Pros:
-
Integrated GPS:
The T-Beam base board includes a built-in GPS module, making it ideal for projects requiring real-time location tracking.
Comparison: Other base boards, such as those in the WisBlock system, require an additional GPS module for similar functionality. -
LoRa & Wi-Fi Connectivity:
The board supports both LoRa and Wi-Fi, providing flexibility for communication in various environments.
Comparison: The Heltec V3 offers similar connectivity, but the T-Beam's GPS integration provides an edge in location-based applications. -
Battery Management:
The built-in support for 18650 Li-Ion batteries, along with charging capability, makes the T-Beam base board suitable for off-grid applications.
Comparison: While the WisBlock system offers similar power options, the T-Beam’s dedicated 18650 battery slot simplifies deployment in mobile scenarios.
Cons:
-
Limited Expansion Options:
The T-Beam base board has fewer GPIO pins compared to more modular systems like WisBlock, which may limit the addition of extra peripherals.
Comparison: WisBlock base boards offer more flexibility for adding multiple sensors and modules. -
Higher Power Usage:
The integrated GPS and wireless modules lead to higher power consumption, making it less ideal for low-power or long-term battery-powered installations.
The T-Beam base board is well-suited for applications requiring GPS and long-range communication in a compact form factor. While it may lack the expandability of modular systems like WisBlock, its all-in-one design makes it an efficient solution for GPS tracking, mesh networking, and IoT applications in the field. For users needing a reliable, portable IoT platform with integrated power management and communication, the T-Beam base board offers a robust solution.