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T-Echo

LilyGo T-Echo

4.0
📱 Companion Radio

Overview

The LilyGo T-Echo is a compact LoRa device featuring an e-ink display, nRF52840 processor, and built-in GPS. The e-ink screen provides excellent outdoor visibility and minimal power consumption.

Key Features

  • E-ink Display: Highly visible in sunlight, ultra-low power
  • nRF52840: Power-efficient ARM processor
  • Built-in GPS: Navigation and tracking
  • SX1262 LoRa: Long-range communication
  • Compact: Portable form factor

✓ Pros

  • E-ink display for outdoor visibility
  • Ultra-low power consumption
  • Built-in GPS
  • Compact design

✗ Cons

  • nRF52 smaller community
  • E-ink slower refresh
  • Higher price

Use Cases

Ideal for:

  • Outdoor activities with direct sunlight
  • Battery-powered deployments
  • Hiking and camping
  • Low-power remote nodes

Setup Notes

  • Flash with MeshCore Flasher
  • E-ink display refreshes slower than LCD
  • Excellent battery life due to low power consumption
  • Requires external antenna

Additional Resources

⚙️ Specifications

MCU Chip
nRF52840
LoRa Chip
SX1262
Antenna
External connector
Price Range
$50-70