# LILYGO T-Echo Plus

> Enhanced T-Echo with nRF52840, SX1262 LoRa, L76K GPS, BHI260AP IMU, 2400mAh battery, 1.54-inch e-paper display, vibration motor, buzzer, and 1/4-inch mount — Meshtastic-ready with extended runtime.

## Quick Facts

- **Brand:** LILYGO
- **Board Type:** dev-board
- **Price:** ~$63.45
- **Product Readiness:** developer
- **CPU:** nRF52840 ARM Cortex-M4F @ 64MHz
- **CPU Architecture:** ARM Cortex-M4F
- **RAM:** 2MB
- **Flash:** 2MB
- **USB:** USB-C
- **Power:** 5V + LiPo
- **Operating Voltage:** 3.3V
- **Battery:** 2400mAh
- **Charging Port:** USB-C
- **Antenna:** U.FL/IPEX
- **Display:** 1.54" E-Paper 200×200

## Connectivity

- **Bluetooth:** BLE 5.0
- **Lora:** SX1262 433/868/915/920MHz
- **Zigbee:** Zigbee (nRF52840)
- **Thread:** Thread (nRF52840)

## Open Source

- **Firmware:** Yes
- **Schematics:** No
- **PCB Layout:** No

## Compatible Firmware

arduino, platformio, meshtastic, meshcore

## Use Cases

- lora-mesh-networking
- off-grid-communication
- gps-tracking
- asset-tracking
- field-data-logger

## Components

- **nRF52840** (mcu): Nordic Semiconductor nRF52840 ARM Cortex-M4F at 64MHz with 2MB Flash, 2MB RAM, supporting BLE 5, Thread, Zigbee, ANT, and 802.15.4. — [Datasheet](https://openhardware.directory/r?to=https%3A%2F%2Finfocenter.nordicsemi.com%2Fpdf%2FnRF52840_PS_v1.7.pdf&ref=openhardware.directory&product=lilygo-t-echo-plus&source=md-export)
- **SX1262** (radio): Semtech SX1262 LoRa transceiver covering 433/868/915/920 MHz bands with +22 dBm output and -148 dBm sensitivity. — [Datasheet](https://openhardware.directory/r?to=https%3A%2F%2Fsemtech.com%2Fuploads%2Fdocuments%2FDS_SX1261-2_V2.1.pdf&ref=openhardware.directory&product=lilygo-t-echo-plus&source=md-export)
- **L76K** (gps): Quectel L76K multi-GNSS module supporting GPS, GLONASS, BeiDou, and QZSS constellations. — [Datasheet](https://openhardware.directory/r?to=https%3A%2F%2Fwww.quectel.com%2Fwp-content%2Fuploads%2F2021%2F03%2FQuectel_L76K_GNSS_Specification_V1.0.pdf&ref=openhardware.directory&product=lilygo-t-echo-plus&source=md-export)
- **BHI260AP** (imu): Bosch BHI260AP AI-powered IMU providing accelerometer, gyroscope, and motion recognition with on-chip AI coprocessor. — [Datasheet](https://openhardware.directory/r?to=https%3A%2F%2Fwww.bosch-sensortec.com%2Fproducts%2Fsmart-sensor-systems%2Fbhi260ap%2F&ref=openhardware.directory&product=lilygo-t-echo-plus&source=md-export)
- **E-Paper 1.54"** (display): 1.54-inch e-paper display with 200×200 resolution, SPI interface, 2-second refresh rate, and persistent display without power. — [Datasheet](https://openhardware.directory/r?to=https%3A%2F%2Fwww.waveshare.com%2Fwiki%2F1.54inch_e-Paper_Module&ref=openhardware.directory&product=lilygo-t-echo-plus&source=md-export)

## Protocols

- **SPI**
- **I2C**
- **UART**
- **PDM**
- **I2S**
- **QSPI**

## Description

## Overview

The LILYGO T-Echo Plus is an advanced evolution of the T-Echo platform, built around the Nordic Semiconductor nRF52840 multiprotocol SoC and Semtech SX1262 LoRa radio. It upgrades the original T-Echo with a BHI260AP intelligent IMU for enhanced motion sensing, a vibration motor for tactile feedback, a built-in buzzer for audio alerts, and a significantly larger 2400mAh battery for extended off-grid operation. A 1/4-inch tripod mount interface and climbing finger loop make it suitable for field deployment and outdoor adventures. The 1.54-inch e-paper display provides persistent information without battery drain, while the Quectel L76K GNSS module supports GPS, GLONASS, BeiDou, and QZSS constellations. The T-Echo Plus is fully compatible with Meshtastic LoRa mesh networking firmware and supports BLE 5, Thread, Zigbee, ANT, and 802.15.4 protocols via the nRF52840.

## Where to Buy

- [LILYGO Official](https://openhardware.directory/r?to=https%3A%2F%2Flilygo.cc%2Fproducts%2Ft-echo-plus&ref=openhardware.directory&product=lilygo-t-echo-plus&source=md-export) — $63.45

## Resources

- [product](https://openhardware.directory/r?to=https%3A%2F%2Flilygo.cc%2Fproducts%2Ft-echo-plus&ref=openhardware.directory&product=lilygo-t-echo-plus&source=md-export)
- [github](https://openhardware.directory/r?to=https%3A%2F%2Fgithub.com%2FXinyuan-LilyGO%2FT-Echo&ref=openhardware.directory&product=lilygo-t-echo-plus&source=md-export)

## Tags

`nrf52840`, `lora`, `gps`, `e-paper`, `meshtastic`, `lilygo`, `ble5`, `thread`, `zigbee`, `imu`, `off-grid`

## Images

![LILYGO T-Echo Plus](https://nbg1.your-objectstorage.com/openhardware-directory/entities/lilygo-t-echo-plus/4de9b2f9a17c.jpg)
![LILYGO T-Echo Plus](https://nbg1.your-objectstorage.com/openhardware-directory/entities/lilygo-t-echo-plus/44d4bfc5c3f8.jpg)
![LILYGO T-Echo Plus](https://nbg1.your-objectstorage.com/openhardware-directory/entities/lilygo-t-echo-plus/8fdc51503117.jpg)
![LILYGO T-Echo Plus](https://nbg1.your-objectstorage.com/openhardware-directory/entities/lilygo-t-echo-plus/a3b84d065cc7.jpg)
![LILYGO T-Echo Plus](https://nbg1.your-objectstorage.com/openhardware-directory/entities/lilygo-t-echo-plus/0f7f0f1ffba5.jpg)
![LILYGO T-Echo Plus](https://nbg1.your-objectstorage.com/openhardware-directory/entities/lilygo-t-echo-plus/aa15f39401df.png)

> **Battery Powered:** Li-Po

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