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T-DECK Instruction

  • LCD display 2.8-inch, 320 x 240 pixels with touch
  • Mini keyboard
  • ESP32 CPU Dual-Core Processor
  • 16MB Flash, 8MB PSRAM
  • 2.4 GHz Wi-Fi & Bluetooth 5 (LE)
  • SX1262 LoRa Transceiver
  • Trackball, Microphone, Speaker

MeshCom 4.0 Firmware

  • Setup via SD memory card
  • Protocol for text, positions
  • Direct Heard Nodes


  • BME/BMP Chip


SD card:

  • The firmware stores the basic data from the SETUP on the SD card
  • for the first start the file SETUP.TXT has to be created with a text editor. Attention! Adhere to format
    • # MeshCom 4.0 T-Deck
      # Setup Parameter# callsign
      call=OE1XXX-99# lat/lon in decimal degree +/- for N/S W/E
      lon=016.0000# alt in m asl
      alt=999# APRS symbol / or \ and character from APRS table
      # runner /[
      # car /(
      # phone /$
      # bulli /V
      # WX /aprsgroup=/
      aprssymbol=[# sounds
  • The files
    • winxp.mp3 (Will be played after a reboot)
    • bell.mp3 (Will be played when a new text message arrives)
  • from the download also copy to the SD card

GPS module installation

  • The GPS module fits into the 3D-printed housing in the bottom compartment in the area of the antenna feed-through. The connections can of course also be soldered to the soldering points of the socket in the housing. ATTENTION: Compare the order with the printed circuit board.
  • The GPS antenna with can be placed under the GPS module with the silver antenna side down. possibly fix the module with double adhesive tape with the GPS antenna.
  • The GPS module is supported as of FW version TC 4.27/b
  • The GPS is to be activated via the serial console
    • -gps on
  • The GPS module flashes by means of a blue LED
  • Transmissions via LoRa-TX occur automatically every 30 minutes
  • With the command, via serial console, -sendpos a GPS position message can be triggered.
  • Debug/test messages can be enabled with the command -gpsdebug on via serial console.

Case 3D

  • Antenna feedthrough for external antenna
  • Space for up to 3000mAh battery
  • Space for GPS module + antenna
  • Fit for top to bottom adjusted

Download 3D files