LILYGO T-ECHO BME280 Meshtastic LoRa SX1262 Wireless Module nRF52840

LILYGO T-ECHO is an advanced IoT development board that builds upon the proven foundation of the LILYGO T-BEAM, offering enhanced Meshtastic compatibility, improved Bluetooth performance, and optimized low-power operation. Designed for robust wireless communication in demanding environments, the LILYGO T-ECHO integrates multiple high-performance components to support a wide range of IoT and remote sensing applications.

At the heart of the LILYGO T-ECHO is the nRF52840 Bluetooth 5 SoC, a powerful and energy-efficient chip that supports multi-protocol communication, including Thread and Zigbee, making it ideal for mesh networking, smart home systems, and industrial IoT deployments. This upgrade significantly improves Bluetooth connectivity, responsiveness, and interoperability with modern wireless ecosystems.

Continuing the LoRa functionality of the T-BEAM series, the LILYGO T-ECHO incorporates the LILYGO SX1262 wireless transceiver module, based on the Semtech SX1262 LoRa RF chip. Operating in the 868 MHz and 915 MHz ISM frequency bands, the SX1262 delivers exceptional long-range communication with a maximum output power of +22dBm and receiving sensitivity of -139dBm. Its integrated TCXO 32 MHz crystal oscillator ensures high stability and precision in both transmission and reception. With automatic transceiver switching and advanced LoRa spread spectrum technology, the LILYGO T-ECHO offers strong anti-interference capabilities, enabling secure and reliable data transmission over extended distances.

To further enhance its utility in environmental monitoring, the LILYGO T-ECHO BME280 variant includes the Bosch BME280 sensor, which provides accurate measurements of temperature, humidity, and atmospheric pressure. This integration makes the device a complete solution for real-time environmental data acquisition, ideal for weather stations, agricultural monitoring, and remote sensing nodes.

In summary, the LILYGO T-ECHO is a feature-rich, low-power wireless development platform that combines LoRa, Bluetooth 5, and environmental sensing into a compact and programmable boardperfect for developers building long-range, low-power, and multi-protocol IoT systems.

Specification of the LILYGO T-ECHO BME280

Featured Articles

• What is LILYGO T-Embed
• Comparison between LilyGo T-Embed CC1101 and Flipper Zero
• Difference between LILYGO t-embed and flipper zero
• LILYGO T-Embed CC1101 Review
• What is a LILYGO T-Deck Used For
• What is the Difference between LILYGO T-Embed and T-Embed CC1101
• What is T-Dongle-S3 and how can it be used?
• Comprehensive Guide to Choosing the Right LilyGO T-Display S3 Models for Your Project

1.54-inch SPI E-Paper Display

L76K Multi-System Positioning GNSS module

Technology Support [Github]

If you need technical support please check the link to find more details.

BasicExample:

https://github.com/Xinyuan-LilyGO/LilyGO-T-Echo

Meshtastic:https://github.com/meshtastic/Meshtastic-device/releases

Recommended Articles about LILYGO T-ECHO BME280

Exploring the BME280 Sensor and Its Application in the LILYGO T-ECHO

Application scenarios

• DIY creation
• LoRa networking
• GPS positioning
• IOT terminal control
• Stem education product

Features of the LILYGO T-ECHO BME280

LILYGO T-ECHO BME280 integrates the high-performance L76K multi-satellite GNSS module, supporting GPS, BeiDou, GLONASS, and QZSS systems. This enables both multi-system joint positioning and single-system independent positioning, ensuring accurate and stable location tracking across diverse environmentsfrom open fields to dense urban areas.

To enhance responsiveness, the module includes AGNSS (Assisted GNSS) technology, which significantly reduces the time required for the first positioning fix. This results in a faster and more reliable user experience, especially in mobile or time-sensitive applications.

Compared to traditional GPS-only modules, the L76K GNSS system in the LILYGO T-ECHO BME280 increases the number of visible satellites, improving positioning accuracy, signal stability, and tracking performance in areas with weak signal coverage. The integration of a low-noise amplifier (LNA) and surface acoustic filter further boosts sensitivity, enabling quick signal acquisition and precise location updateseven under challenging RF conditions.

For enhanced durability and reliability, the module includes an active antenna detection circuit and a protection circuit, safeguarding both the antenna and the board from potential damage or misconfiguration. These features make the LILYGO T-ECHO BME280 well-suited for outdoor deployments, mobile IoT nodes, and environmental monitoring systems.

To improve user interaction and visibility, the LILYGO T-ECHO BME280 is equipped with a 1.54-inch E-paper display featuring a 200200 resolution and an integrated LED front light. This ensures clear readability in low-light or dark environments, making it ideal for both indoor dashboards and outdoor field use.

Product Display

Size

Pin Diagram