LILYGO T-ECHO Meshtastic LoRa SX1262 Wireless Module 433/868/915MHz NRF52840
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LILYGO T-ECHO Meshtastic LoRa SX1262 Wireless Module 433/868/915MHz NRF52840
The LILYGO T-ECHO is an advanced version of the LILYGO T-BEAM, designed with enhanced compatibility for Meshtastic. In the design process, significant attention was given to optimizing Bluetooth functionality and low-power consumption. As a result, the NRF52840 advanced Bluetooth 5 chip was chosen, supporting both thread and Zigbee multi-protocol SoC (System on Chip).
Building on the success of the LILYGO T-BEAM, the LILYGO T-ECHO integrates the LORA functionality with the SX1262 wireless transceiver module. The module uses the Semtech SX1262 LORA RF transceiver chip, operating within the 868/915 MHz ISM frequency bands. It features a high-stability TCXO 32 MHz crystal oscillator, offering a half-duplex transceiver design with a maximum output power of +22 dBm and an impressive receiving sensitivity of -139 dBm.
With its advanced LORA spread spectrum communication technology, the LILYGO T-ECHO provides excellent anti-interference performance and privacy protection, enabling long-distance wireless data transmission. This makes it ideal for a wide range of IoT and wireless communication applications.
Specification of the LILYGO T-ECHO
MCU | NRF52840 |
FLASH | 2MB |
RAM | 2MB |
Bus Interfaces | UART, SPI, TWI, PDM, 12S, QSPI |
Wireless Connectivity |
Bluetooth 5, Thread, Bluetooth Mesh, ANT, 802.15.4, Zigbee With/Without BME280 temperature pressure sensor |
SX1262 LoRa Transceiver | Long Range, Low Power Global frequency coverage 433, 868, 915Mhz |
Enclosure material | ABS |
Version | Normal version / BME280 version |
Battery Capacity | 850mAh |
Featured Articles
1.54-inch SPI E-Paper Display
Grey level | 2 |
Resolution | 200x200 |
Full refresh time | 2S |
L76K Multi-System Positioning GNSS module
Support System | GPS, GLONASS, BeiDou, QZSS |
Support Function |
LNA, SAW Filter, AGNSS, 1PPS |
Technology Support [Github]
If you need technical support please check the link to find more details.
Basic Example:
https://github.com/Xinyuan-LilyGO/LilyGO-T-Echo
Application scenarios
- DIY creation
- LoRa networking
- GPS positioning
- IOT terminal control
- Stem education product
Features of the LILYGO T-ECHO
The LILYGO T-ECHO is equipped with a multi-satellite positioning system that supports a variety of global navigation satellite systems (GNSS), including GPS, BeiDou, GLONASS, and QZSS. It offers the capability for multi-system joint positioning as well as single system independent positioning, making it an ideal solution for high-precision positioning applications. Additionally, the LILYGO T-ECHO supports AGNSS (Assisted GNSS) functionality, providing faster first-time positioning and reliable performance in challenging environments.
Compared to a single GPS system, the LILYGO T-ECHO’s high-precision multi-satellite system significantly increases the number of visible and usable satellites. This enhanced satellite coverage improves positioning accuracy, allowing for stable and precise positioning even in complex urban environments or areas with limited GPS visibility.
With the integrated low-noise amplifier (LNA), the LILYGO T-ECHO ensures high sensitivity and quick signal capture, delivering high-precision positioning even in weak signal conditions. The built-in surface acoustic filter enhances the module's anti-interference capabilities, ensuring more reliable positioning in areas with electronic noise. Furthermore, the LILYGO T-ECHO includes an active antenna detection circuit and protection circuit, safeguarding both the module and the antenna from potential damage.
For optimal user interaction, the LILYGO T-ECHO features a 1.54-inch electronic paper display with front lighting. The 200x200 resolution LED E-paper display is perfect for use in low-light or dark environments, providing clear visibility even in challenging lighting conditions.
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Effective Date: March 27, 2025
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