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

• firmware file: firmware-t-echo-1.x.x.uf2
• Purchase link
• TTGO's GitHub page for the T-Echo

Features

• 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