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LILYGO

T-Echo Lite

Build a long-running Meshtastic node that sips battery.

MeshtasticnRF52840E-paperLow power

Radio equipment needs certification where you live (FCC, CE, UKCA, ISED, Anatel). Some devices are uncertified or restricted in Brazil. Buyers are responsible for their local law.

Bring along
A battery and an enclosure; the Lite ships as boards.
Keep in mind
Screen size and battery are not specified.
Source checked · Sep 17, 2026
T-Echo Lite
Image creditMaker product photo of the T-Echo Lite · LILYGO

(02) Blueprint

Build it yourself

Open hardware

LILYGO's T-Echo-Lite repo publishes full KiCad source (schematic+PCB+project) for the core board plus PDF schematics and STL enclosure files.

T-Echo-Lite-Core V1.0 KiCad schematic

Read straight from the maker’s repository. Open on GitHub

T-Echo-Lite-Core V1.0 KiCad schematic

GitHub
Research notes

This is the most open device in the batch: real .kicad_sch/.kicad_pcb/.kicad_pro files verified in the tree (project/T-Echo-Lite_V1.0/T-Echo-Lite-Core_V1.0/kicad/), not just PDFs. There is also a separate KeyShield PDF-only sub-project.

Every link checked 2026-09-27.

Hand this device to your agent. Everything on this page, as clean Markdown and JSON: specs, shops, prices, design files, parts.

Made the T-Echo Lite? Put the badge on your README; it links here, with every shop that sells it.

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Specifications

Core hardware

4
Processor
nRF52840 · 1 MB flash · 256 KB RAM
Display
E-paper (size not stated on the product page)
Radios
LoRa · Bluetooth 5 · Thread · Zigbee · 802.15.4 · L76K GPS expansion module
Power
Battery measurement on board; capacity not stated

Details from the product page

3
Why nRF52840
The maker describes LoRa + nRF52840 + e-paper as its lowest-power combination
In the box
Core board, L76K GPS expansion module, external antenna
Development
Arduino, VS Code

Buying

2
Price
US$27.36 on lilygo.cc
Availability
In stock on the day of review
What still needs checking
  • Dimensions, weight and battery runtime are not stated unless listed above.
  • Firmware support for community tools varies by board; check the project before buying.
  • Regional band variants and antenna versions change what is in the box.
T-Echo LiteLILYGO
Buy$27.36

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