Harvest - Serial Link

Serial Link allows you to display your weights from the Libra Harvest app to an external scoreboard. Below are some instructions for pairing Serial Link to Libra Harvest. For Serial Link support articles Click Here.


Pairing is done directly through the Libra Harvest app and NOT through the general smartphone/tablet Bluetooth settings.

If you have already paired a grain cart to your app:

  1. Ensure Bluetooth is enabled on your mobile device.
  2. Bring your mobile device to the Serial Link device and launch the Libra Harvest app.
  3. Select the Settings tab inside the app. For the tractor's mobile device, ensure Primary Display is selected.
  4. Tap the ⚙️ next to your grain cart.
  5. Select your Serial Link device from the Available devices list, and ensure that your Libra Cart device is already selected.
  6. Your device will now appear with a check mark, indicating successful pairing. Tap Done to complete pairing.
  7. The LED on the device will start to flash twice and a link icon will appear above the "Clear" button on the Display tab if you have an active connection.

If you have not paired a grain cart to your app:

  1. Ensure Bluetooth is enabled on your mobile device.
  2. Bring your mobile device to the Libra Cart and Serial Link devices and launch the Libra Harvest app.
  3. Select the Settings tab inside the app. For the tractor's mobile device, ensure Primary Display is selected.
  4. Tap Add Grain Cart to add your new Libra Cart device to the app, and wait for the scan to finish.
  5. Select your Libra Cart and Serial Link devices from the Available devices list.
  6. Provide a name for the cart, choose the desired weight display format (e.g., 10 lb, 20 lb), and tap Add+ to finish.
  7. Your device will now appear under "Grain Carts" with a check mark, indicating successful pairing.
  8. The LED on the Serial Link will start to flash twice and a link icon will appear above the "Clear" button on the Display tab if you have an active connection.

Disconnecting a paired Serial Link

  1. Navigate to the Settings tab
  2. Tap the ⚙️ next to your grain cart
  3. Under Selected Devices find your Serial Link device and swipe left to delete the connection.
  4. Tap Done to confirm the disconnection.

Note: Your scoreboard will turn off when you close the Libra Harvest app or disconnect your Serial Link.