{
 "slug": "lilygo-t-echo-lite",
 "name": "T-Echo Lite",
 "maker": "LILYGO",
 "category": "radio",
 "categoryLabel": "Radio & mesh",
 "status": "listed",
 "statusLabel": "Listed by maker",
 "description": "A small nRF52840 LoRa node with an e-paper screen and a plug-in GPS module, made for low-power Meshtastic.",
 "goodFor": "Build a long-running Meshtastic node that sips battery.",
 "youNeed": "A battery and an enclosure; the Lite ships as boards.",
 "tradeoff": "Screen size and battery are not specified.",
 "tags": [
  "Meshtastic",
  "nRF52840",
  "E-paper",
  "Low power"
 ],
 "price": "US$27.36",
 "priceShort": "$27.36",
 "priceFrom": "lilygo.cc",
 "checked": "2026-09-17",
 "url": "https://gadgets.sh/devices/lilygo-t-echo-lite/",
 "shortUrl": "https://gadgets.sh/lilygo-t-echo-lite",
 "markdown": "https://gadgets.sh/devices/lilygo-t-echo-lite.md",
 "image": "https://gadgets.sh/assets/lilygo-t-echo-lite.jpg",
 "cutout": "https://gadgets.sh/assets/cutouts/lilygo-t-echo-lite.webp",
 "shareCard": "https://gadgets.sh/og/lilygo-t-echo-lite.jpg",
 "shops": [
  {
   "merchant": "LILYGO",
   "label": "Buy from LILYGO",
   "kind": "shop",
   "orderable": true,
   "url": "https://lilygo.cc/products/t-echo-lite?utm_source=gadgets.sh&utm_medium=referral&utm_campaign=lilygo-t-echo-lite&utm_content=api",
   "note": null
  },
  {
   "merchant": "OpenELAB",
   "label": "Buy from OpenELAB",
   "kind": "shop",
   "orderable": true,
   "url": "https://openelab.io/products/lilygo-t-echo-lite-meshtastic?utm_source=gadgets.sh&utm_medium=referral&utm_campaign=lilygo-t-echo-lite&utm_content=api",
   "note": "In stock at OpenELAB when checked on 2026-09-29."
  },
  {
   "merchant": "Amazon (LILYGO store)",
   "label": "Buy from Amazon (LILYGO store)",
   "kind": "shop",
   "orderable": true,
   "url": "https://www.amazon.com/dp/B0FKBJV134?utm_source=gadgets.sh&utm_medium=referral&utm_campaign=lilygo-t-echo-lite&utm_content=api",
   "note": "In stock at Amazon (LILYGO store) when checked on 2026-09-29."
  },
  {
   "merchant": "Rokland",
   "label": "Sold out at Rokland",
   "kind": "soldout",
   "orderable": false,
   "url": "https://store.rokland.com/products/lilygo-t-echo-lite-nrf52840-e-paper-lora-device-ext-antenna-us915-h778-a?utm_source=gadgets.sh&utm_medium=referral&utm_campaign=lilygo-t-echo-lite&utm_content=api",
   "note": "sold out (schema.org OutOfStock; SKU H778-A, with-shell external-antenna 915 MHz variant; US$44.97) at Rokland when checked on 2026-09-24."
  }
 ],
 "specs": [
  {
   "group": "Core hardware",
   "rows": [
    {
     "label": "Processor",
     "value": "nRF52840 · 1 MB flash · 256 KB RAM",
     "source": "https://lilygo.cc/products/t-echo-lite"
    },
    {
     "label": "Display",
     "value": "E-paper (size not stated on the product page)",
     "source": "https://lilygo.cc/products/t-echo-lite"
    },
    {
     "label": "Radios",
     "value": "LoRa · Bluetooth 5 · Thread · Zigbee · 802.15.4 · L76K GPS expansion module",
     "source": "https://lilygo.cc/products/t-echo-lite"
    },
    {
     "label": "Power",
     "value": "Battery measurement on board; capacity not stated",
     "source": "https://lilygo.cc/products/t-echo-lite"
    }
   ]
  },
  {
   "group": "Details from the product page",
   "rows": [
    {
     "label": "Why nRF52840",
     "value": "The maker describes LoRa + nRF52840 + e-paper as its lowest-power combination",
     "source": "https://lilygo.cc/products/t-echo-lite"
    },
    {
     "label": "In the box",
     "value": "Core board, L76K GPS expansion module, external antenna",
     "source": "https://lilygo.cc/products/t-echo-lite"
    },
    {
     "label": "Development",
     "value": "Arduino, VS Code",
     "source": "https://lilygo.cc/products/t-echo-lite"
    }
   ]
  },
  {
   "group": "Buying",
   "rows": [
    {
     "label": "Price",
     "value": "US$27.36 on lilygo.cc",
     "source": "https://lilygo.cc/products/t-echo-lite"
    },
    {
     "label": "Availability",
     "value": "In stock on the day of review",
     "source": "https://lilygo.cc/products/t-echo-lite"
    }
   ]
  }
 ],
 "docs": [
  {
   "label": "Maker product page",
   "url": "https://lilygo.cc/products/t-echo-lite"
  },
  {
   "label": "LILYGO GitHub organisation",
   "url": "https://github.com/Xinyuan-LilyGO"
  },
  {
   "label": "LILYGO FAQ and support",
   "url": "https://lilygo.cc/pages/faqs"
  }
 ],
 "blueprint": {
  "openness": "open-hardware",
  "opennessLabel": "Open hardware",
  "summary": "LILYGO's T-Echo-Lite repo publishes full KiCad source (schematic+PCB+project) for the core board plus PDF schematics and STL enclosure files.",
  "files": [
   {
    "kind": "schematic",
    "label": "T-Echo-Lite-Core V1.0 KiCad schematic",
    "url": "https://github.com/Xinyuan-LilyGO/T-Echo-Lite/blob/main/project/T-Echo-Lite_V1.0/T-Echo-Lite-Core_V1.0/kicad/T-Echo-Lite-Core_V1.0.kicad_sch",
    "format": "KiCad"
   },
   {
    "kind": "pcb",
    "label": "T-Echo-Lite-Core V1.0 KiCad PCB",
    "url": "https://github.com/Xinyuan-LilyGO/T-Echo-Lite/blob/main/project/T-Echo-Lite_V1.0/T-Echo-Lite-Core_V1.0/kicad/T-Echo-Lite-Core_V1.0.kicad_pcb",
    "format": "KiCad"
   },
   {
    "kind": "schematic",
    "label": "T-Echo-Lite V1.0 full schematic (PDF)",
    "url": "https://github.com/Xinyuan-LilyGO/T-Echo-Lite/blob/main/project/T-Echo-Lite_V1.0/T-Echo-Lite_V1.0.pdf",
    "format": "PDF"
   },
   {
    "kind": "enclosure",
    "label": "T-Echo-Lite enclosure shells (STL)",
    "url": "https://github.com/Xinyuan-LilyGO/T-Echo-Lite/tree/main/structure",
    "format": "STL"
   }
  ],
  "repos": [
   {
    "url": "https://github.com/Xinyuan-LilyGO/T-Echo-Lite",
    "role": "hardware",
    "official": true,
    "license": null,
    "stars": 15,
    "pushed": "2026-08-10"
   }
  ],
  "parts": [
   {
    "part": "nRF52840",
    "role": "MCU + BLE/Thread/Zigbee",
    "datasheet": "https://www.nordicsemi.com/Products/nRF52840"
   },
   {
    "part": "GDEM0122T61",
    "role": "e-paper display panel",
    "datasheet": "https://github.com/Xinyuan-LilyGO/T-Echo-Lite/blob/main/information/GDEM0122T61.pdf"
   },
   {
    "part": "ICM20948",
    "role": "IMU",
    "datasheet": "https://github.com/Xinyuan-LilyGO/T-Echo-Lite/blob/main/information/ICM20948.pdf"
   },
   {
    "part": "ES8311",
    "role": "audio codec",
    "datasheet": "https://github.com/Xinyuan-LilyGO/T-Echo-Lite/blob/main/information/ES8311.pdf"
   },
   {
    "part": "Quectel L76KB-A58",
    "role": "GNSS",
    "datasheet": "https://github.com/Xinyuan-LilyGO/T-Echo-Lite/blob/main/information/L76KB-A58.PDF"
   }
  ],
  "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.",
  "checked": "2026-09-27"
 },
 "sourceFiles": {
  "kicad": [
   {
    "label": "T-Echo-Lite-Core V1.0 KiCad schematic",
    "repo": "Xinyuan-LilyGO/T-Echo-Lite",
    "folder": "https://github.com/Xinyuan-LilyGO/T-Echo-Lite/tree/main/project/T-Echo-Lite_V1.0/T-Echo-Lite-Core_V1.0/kicad",
    "project": "https://raw.githubusercontent.com/Xinyuan-LilyGO/T-Echo-Lite/main/project/T-Echo-Lite_V1.0/T-Echo-Lite-Core_V1.0/kicad/T-Echo-Lite-Core_V1.0.kicad_pro",
    "schematics": [
     "https://raw.githubusercontent.com/Xinyuan-LilyGO/T-Echo-Lite/main/project/T-Echo-Lite_V1.0/T-Echo-Lite-Core_V1.0/kicad/T-Echo-Lite-Core_V1.0.kicad_sch"
    ],
    "boards": [
     "https://raw.githubusercontent.com/Xinyuan-LilyGO/T-Echo-Lite/main/project/T-Echo-Lite_V1.0/T-Echo-Lite-Core_V1.0/kicad/T-Echo-Lite-Core_V1.0.kicad_pcb"
    ]
   }
  ],
  "models": [
   {
    "label": "Full assembly",
    "format": "STL",
    "url": "https://raw.githubusercontent.com/Xinyuan-LilyGO/T-Echo-Lite/main/structure/%E6%80%BB%E8%A3%85.stl",
    "page": "https://github.com/Xinyuan-LilyGO/T-Echo-Lite/blob/main/structure/%E6%80%BB%E8%A3%85.stl",
    "bytes": 299484
   },
   {
    "label": "Bottom shell",
    "format": "STL",
    "url": "https://raw.githubusercontent.com/Xinyuan-LilyGO/T-Echo-Lite/main/structure/%E4%B8%8B%E5%A3%B3.stl",
    "page": "https://github.com/Xinyuan-LilyGO/T-Echo-Lite/blob/main/structure/%E4%B8%8B%E5%A3%B3.stl",
    "bytes": 190984
   },
   {
    "label": "Top shell",
    "format": "STL",
    "url": "https://raw.githubusercontent.com/Xinyuan-LilyGO/T-Echo-Lite/main/structure/%E4%B8%8A%E5%A3%B3.stl",
    "page": "https://github.com/Xinyuan-LilyGO/T-Echo-Lite/blob/main/structure/%E4%B8%8A%E5%A3%B3.stl",
    "bytes": 108584
   }
  ]
 },
 "firmware": [],
 "chips": [
  "nrf52840",
  "icm20948",
  "es8311",
  "l76k"
 ]
}