LILYGO T-Echo Meshtastic LoRa Wireless Module User Manual

1. Bubuka

The LILYGO T-Echo is a versatile development board designed for long-range, low-power wireless communication, primarily supporting Meshtastic firmware. It integrates an NRF52840 multi-protocol SoC, SX1262 LoRa RF transceiver, GPS, RTC, and NFC capabilities. This specific kit includes a BME280 pressure sensor, expanding its utility for environmental monitoring applications. The T-Echo is ideal for off-grid communication, data transmission, and various IoT projects.

2. Fitur konci

• Meshtastic Firmware Compatibility: Designed to adapt seamlessly with Meshtastic firmware for robust mesh networking.
• Integrated BME280 Sensor: Includes a BME280 temperature and pressure sensor for environmental data collection.
• NRF52840 SoC: Features an NRF52840 Advanced Bluetooth 5 multi-protocol System-on-Chip, supporting Thread and Zigbee.
• SX1262 LoRa Transceiver: Utilizes the Semtech SX1262 LoRa RF transceiver chip for 915MHz ISM band operation, offering advanced spread spectrum communication with strong anti-interference and confidentiality.
• High Stability TCXO: Integrated 32MHz crystal oscillator for stable performance.
• GPS, RTC, NFC: Built-in GPS for positioning, Real-Time Clock (RTC), and Near Field Communication (NFC) for expanded functionality.
• Tampilan E-Paper: 1.54-inch e-paper display for low-power information display.

3. Eusi Paket

Pastikeun yén sadaya item aya dina pakét anjeun:

• LILYGO T-Echo Meshtastic LoRa Wireless Module (NRF52840 module, SX1262 wireless transceiver, BME280 temperature pressure sensor, GPS, RTC, NFC, LoRa)
• Kabel USB

Figure 3.1: LILYGO T-Echo module with included USB cable and BME280 sensor.

4. Spésifikasi Téknis

Figure 4.1: LILYGO T-Echo dimensions (L:127mm, W:53.8mm, H:24.3mm).

Figure 4.2: Detailed technical specifications and component overview.

5. Setup jeung Konfigurasi Awal

5.1 Ngecas Alat

Before first use, ensure the T-Echo is fully charged. Connect the provided USB cable to the device's USB port and to a standard USB power source (e.g., computer USB port, wall adapter). The device will indicate charging status.

5.2 Firmware Installation (Meshtastic)

The LILYGO T-Echo is designed to work with Meshtastic firmware. Follow these steps to install or update the firmware:

1. Visit the official Meshtastic websitus (meshtastic.org) and navigate to the "Downloads" section.
2. Locate and download the latest firmware for the LILYGO T-Echo (NRF52840) in UF2 format.
3. Buka zip firmware nu diundeur file.
4. Connect the LILYGO T-Echo to your computer using the USB cable.
5. Double-click the device's disk drive (usually named "TECHBOOT" or similar) that appears on your computer. This will eject the disk.
6. Copy the downloaded UF2 firmware file (e.g., "firmware-t-echo-xxxx.uf2") directly into the root directory of the T-Echo's disk drive.
7. The device will automatically refresh and install the new firmware. This process may take a few moments.

5.3 Installing the Meshtastic App

To interact with your T-Echo and the Meshtastic network, install the Meshtastic application on your smartphone:

• For Android devices, download the Meshtastic App from the Google Play Store or directly from the Meshtastic websitus.
• For iOS devices, the Meshtastic App is available via TestFlight. Refer to the Meshtastic websitus pikeun parentah panganyarna.

6. Parentah Operasi

6.1 Kontrol Alat

The T-Echo features two buttons for basic control:

• Tombol 1:
  • Pencét sakali: Ngareset alat.
  • Pencét dua kali: Enters Development (DFU) Mode for firmware flashing.
• Tombol 2: (When the development board is turned on)
  • Pencét sakali: Changes the page displayed on the device's e-paper screen.
  • Pencét dua kali: Sends temporary node information.
  • Pencét tilu kali: Turns on/off the GPS.
  • Pencét opat kali: Turns on/off the backlight.
  • Pencét panjang: Pareuman alat.

Figure 6.1: Diagram illustrating the functions of Button 1 and Button 2 on the LILYGO T-Echo.

6.2 Connecting to the Meshtastic App

After installing the Meshtastic App on your phone:

1. Pastikeun Bluetooth diaktipkeun dina smartphone Anjeun.
2. Open the Meshtastic App. It will automatically search for nearby Meshtastic devices.
3. Select your LILYGO T-Echo from the list of discovered devices to establish a connection.
4. Once connected, you can configure settings such as frequency band and user name within the app.
5. Navigate to the "Message" interface to send and receive messages.

Figure 6.2: LILYGO T-Echo connected via Bluetooth to a smartphone running the Meshtastic application, demonstrating messaging capabilities.

6.3 Ngirim Talatah

To send messages through the Meshtastic network using the app:

1. In the Meshtastic App, select the desired channel (e.g., "All" for broadcasting to all users on the network).
2. Type your message in the text input field.
3. Press the send button. Your message will be transmitted via the LoRa network.

7. Pangropéa

• beberesih: Anggo kaén anu lemes sareng garing pikeun ngabersihan alat. Ulah make bahan kimia kasar atawa bahan abrasive.
• Panyimpenan: Simpen alat dina tempat anu tiis sareng garing jauh tina sinar panonpoé langsung sareng suhu anu ekstrim.
• Perawatan batré: Pikeun umur batré anu optimal, ulah sering ngosongkeun batréna. Upami disimpen kanggo waktos anu lami, eusian batréna dugi ka sakitar 50%.
• Pembaruan firmware: Regularly check the official Meshtastic websitus pikeun apdet firmware pikeun mastikeun kinerja optimal sarta aksés ka fitur anyar.

8. Cara ngungkulan

9. Garansi jeung Rojongan

LILYGO products typically come with a standard manufacturer's warranty covering defects in materials and workmanship. For specific warranty details, please refer to the warranty information provided with your purchase or visit the official LILYGO websitus.

For technical support, firmware updates, and community resources, please visit the official Meshtastic websitus di meshtastic.org and the LILYGO official websitus atawa saluran rojongan.