AgOpenGPS
  • 🚜START HERE
  • 🤓Starters Guide
    • What to buy
      • TL;DR - cut to the chase, what do I BUY???
      • Choosing and ordering a board - standard or micro?
      • GPS modules - standard or micro?
      • Choosing an antenna
      • Connectors
      • Teensy 4.1
      • Cytron motor driver
      • Wheel Angle Sensor
      • IMU (inertial measurement unit)
      • Miscellaneous
      • Tablet
      • The motor
      • Motor? Nah - hydraulic please!
      • Motor/hyd? Nah.. CANbus please!
      • Other guides and resources
  • 💪Putting it all together
    • Assembling the board
      • Components you can do without
      • Electrical testing and validation
    • Configuring the ZED-F9P
    • Configuring the Teensy
    • Configuring your tablet
      • Downloading the software
      • Connecting tablet to board
  • 🤩AgOpenGPS - a guide for machine-users
    • aka "the manual"
  • 🤯Frequently Asked Questions
    • Frequently Asked Questions
      • Help! I need to speak to someone!
      • Placeholder for FAQ categories
      • AGIO
        • UDP
        • RTK/NTRIP corrections
        • Serial/COM ports
        • AgIO and AgOpenGPS - networking
      • AgOpenGPS
        • Is AGIO running? AgIO?
      • U-blox F9P
        • Firmware and configuration fails
        • VTG?
        • Baud rates?
        • U-Center?
      • Teensy 4.1
        • Swapping GPS ports
      • PCB
        • PCBv2
        • PANDA
          • $PANDA ?
          • $PAOGI ?
        • All-in-one boards
          • Standard board
          • Micro board
  • 🤬Problems and Solutions
    • Problems and Solutions
      • U-Center can't update the F9P firmware
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  1. Frequently Asked Questions
  2. Frequently Asked Questions
  3. Teensy 4.1

Swapping GPS ports

If you connected your Teensy up over USB and are monitoring its output, you might see this message - "Swapping GPS ports".

This indicates that for whatever reason, the Teensy and your U-blox modules are unable to communicate. Check the connections on the board are good, and that the F9Ps are well settled in the sockets.

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Last updated 2 years ago

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