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LILYGO® TTGO T-Echo devices

The T-Echo is the latest device to be release by LILYGO® supporting a low power consumption microcontroller.

See Getting Started


  • nRF52840 - Bluetooth BLE 5.0, NFC and very low power consumption
  • SX1262 - LoRa transceiver
  • 1.54" eInk display
  • L76K - GNSS receiver - Supporting GPS, BeiDou, GLONASS & QZSS
  • Reset, Program and capacitive touch buttons
  • U.FL antenna connector
  • Optional BME280 - Humidity and Pressure Sensor
  • Comes with a case and battery

T-Echo button functions

  • Capacitive top button
    • A short press refreshes the current screen
  • Button 1
    • A single press resets the device
    • A double press puts the device into bootloader mode ready to receive a new firmware
  • Button 2
    • A single press changes the page displayed on the device
    • A double press turns the screen backlight on/off
    • A long press turns the device off