4-Motor Drivetrain - Robot Config - VEXcode IQ Blocks

When starting to program with VEXcode IQ Blocks, Drive and Motor blocks will not appear in the Toolbox until a Drivetrain has been configured.

You can only configure one Drivetrain per project. 

If you are configuring a Drivetrain without a Gyro Sensor, click here.

Here are the different options when configuring a 4-Motor Drivetrain with a Gyro:

  • Adding a Drivetrain
  • Changing a Drivetrain’s Port Numbers
  • Changing a Drivetrain’s Wheel Size
  • Changing a Drivetrain’s Gear Ratio
  • Reversing a Drivetrain
  • Deleting a Drivetrain

In this article, the default values in the Drivetrain Settings are for the VEX IQ Clawbot.


Adding a Drivetrain

To configure a Drivetrain, select the Devices button to open the Devices window. 

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Select “Add a device.”

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Select "Drivetrain 4-Motor."

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Note: To configure a 2-Motor Drivetrain, click here.

Select which ports the Left Motors, Right Motors, and the Gyro Sensor are attached to on the VEX IQ Brain. Ports that are already configured for other devices will be unavailable.

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 Once the Drivetrain has been configured, select “Done” to submit the device to the configuration or “Cancel” to return back to the Devices menu.

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Note: Selecting “Cancel” will undo any changes you have made to the device and will not be a part of the configuration.


Changing a Drivetrain’s Port Numbers

You can change the port numbers for the Left Motors, Right Motors or Gyro in the Drivetrain by selecting the device’s plug icon in the top right corner of the Options screen.

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Select a different port on the Port Selection screen and the port number will turn green. Then select Done to submit the change.

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Changing a Drivetrain’s Wheel Size

You can change the wheel size for the Drivetrain by selecting the drop down menu under “Wheel Size.”

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 Changing a Drivetrain’s Gear Ratio

You can change the gear ratio for the Drivetrain by entering values in the “Input” and “Output” boxes.

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Reversing a Drivetrain

The Options screen also allows the direction of the Drivetrain to be reversed.

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Deleting a Drivetrain

A Drivetrain can also be deleted by selecting the “Delete” option at the bottom of the screen.

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