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LilyGo logo

🌟LilyGo T-LoRa-Pager🌟

1 Overview

  • This page introduces how to use the LilyGO T-LoRa-Pager
  • As of 2025/04/28, platformio does not support the latest esp-arduino v3 and above. The current supported version is v2.0.17 (based on IDF v4.4.7) , If you need to use platformio for development, please jump LilyGoLib-PlatformIO

2 Arduino IDE Quick Start

  1. Install Arduino IDE
  2. Install Arduino ESP32 V3.3.0-alpha1 or later or latest
  1. Download LilyGoLib Library
  2. Open Arduino IDE -> Sketch -> Include Library -> Add .ZIP Library -> Select the library compressed package downloaded in step 3
  3. Install LilyGoLib-ThirdParty
    • Copy all directories in LilyGoLib-ThirdParty to ArduinoIDE libraries directory, if there is no libraries directory, please create it.
    • Please note that instead of copying the LilyGoLib-ThirdParty directory, copy the folders in the LilyGoLib-ThirdParty directory to libraries
    • How to find the location of your own libraries on your computer, please see here
      • Windows: C:\Users\{username}\Documents\Arduino
      • macOS: /Users/{username}/Documents/Arduino
      • Linux: /home/{username}/Arduino

Important

Please note that the libraries in LilyGoLib-ThirdParty are not necessarily the latest versions. Please do not upgrade the versions of the dependent libraries before confirming that the hardware is running normally. ArduinoIDE will prompt that there is a new version of the library to upgrade every time it is opened. Please confirm that it is running normally before trying to update to the latest version. If you encounter problems, please roll back to the version of the dependent library that runs normally. The current list of dependent library versions can be viewed here

  1. File -> Examples -> LilyGOLib -> helloworld

  2. Tools -> Board -> esp32,Please select from the table below

    Arduino IDE Setting Value
    Board LilyGo-T-LoRa-Pager
    Port Your port
    USB CDC On Boot Enabled
    CPU Frequency 240MHZ(WiFi)
    Core Debug Level None
    USB DFU On Boot Disable
    Erase All Flash Before Sketch Upload Disable
    Events Run On Core 1
    JTAG Adapter Disable
    Arduino Runs On Core 1
    USB Firmware MSC On Boot Disable
    Partition Scheme 16M Flash(3M APP/9.9MB FATFS)
    Board Revision Radio-SX1262
    Upload Mode UART0/Hardware CDC
    Upload Speed 921600
    USB Mode CDC and JTAG

  3. Board Revision options, please select according to the actual RF type purchased. The current options are:

    • Radio-SX1262(Sub 1G LoRa)
    • Radio-SX1280(2.4G LoRa)
    • Radio-CC1101(Sub 1G (G)MSK, 2(G)FSK, 4(G)FSK, ASK, OOK)
    • Radio-LR1121(Sub 1G + 2.4G LoRa)
    • Radio-SI4432(Sub 1G ISM)

  4. Select Port

  5. Click upload , Wait for compilation and writing to complete

  6. If you cannot upload sketch or the USB device keeps popping up on the computer, please manually put the device into download mode. How to enter download mode, please see here

Tip

  • If there is no message output from the serial port, please check whether USB CDC ON Boot is set to Enabled.
  • Board Revision changes according to the actual RF module model. The current default version is SX1262
  • This library depends on the latest arduino-esp32 version. If it is lower than V3.3.0-alpha1, an error will be reported.

Keyboard function settings and input methods
Number and Symbol Mode Space + Key
Character capitalization mode CAP + Key
Backlight control Left orange button + button B
  • In the factory firmware, the backlight can only be controlled when the input is allowed.

T-LoRa-Pager Enter Download Mode

Important

🤖 USB ports keep popping in and out? If you have installed a third-party firmware such as meshtastic, please be sure to follow these steps to update the firmware, regardless of whether it is meshtastic or lilygo factory firmware.

Download mode is only required when the program is not allowed to upload the sketch. This step is not required under normal circumstances.

Follow the steps below to put your device into download mode

  1. Connect the board via the USB-C cable
  2. Press and hold the BOOT button , While still pressing the BOOT button
  3. Release the RST button
  4. Release the BOOT button
  5. The USB port should be fixed and will not flash again. You can click Upload.
  6. Press the RST button to exit download mode

If the new code is successfully written, but the device does not light up or has other problems, please use our factory test code to test whether the peripherals can work properly. Please jump here to download the firmware and write it for testing.