Wirelessly Connecting an IQ (2nd gen) Brain to VEXcode IQ – VEX Library

To run projects on your VEX IQ robot, you'll first need to connect the VEX IQ (2nd generation) Brain to VEXcode IQ. Below are the steps for connecting and disconnecting the Brain via a Bluetooth connection.

Before beginning, make sure that you know the name of your Brain. For help naming your Brain, see this article.

Connecting to a Brain

Diagram shows a Battery being connected to an IQ Brain. An arrow indicates that the Battery should be slid into the charging port on the bottom of the Brain. The Battery is oriented with its latch facing away from the Brain.

Insert the battery into the IQ Brain.

Diagram shows a finger holding down the Brain's Check button to turn it on.

Turn on the IQ Brain by pressing the checkmark button.

VEXcode IQ upon opening, with a When started block in the Workspace.

Open VEXcode IQ.

Both web-based and app-based VEXcode IQ can be used when connecting to a Brain via Bluetooth.

A close-up screenshot of the upper right corner of the VEXcode IQ Toolbar. The Brain icon is highlighted, to the right of the Controller icon.

Select the Brain icon in the upper right corner of the Toolbar.

A screenshot of the Brain menu open in the upper right corner of VEXcode IQ. The Connect via Bluetooth button is highlighted at the bottom of the menu above the Connect via USB button.

Select Connect via Bluetooth from the menu.

App-Based VEXcode IQ

A close-up screenshot of the Brain selection window that reads Select a VEX IQ Brain at the top, with the first option of VEX_IQ highlighted, indicating which Brain to select from the list.

Web-Based VEXcode IQ

A close-up screenshot of the Brain selection options in web-based VEXcode IQ, with the VEX_IQ option second in the list highlighted.

Select each image above to enlarge.

A window will open showing the available Brains. This will vary depending on the version of VEXcode IQ you are using. Select your Brain.

App-Based VEXcode IQ

A close-up screenshot of the Brain selection window in app-based VEXcode IQ, now with the Connect button at the bottom right corner highlighted,

Web-Based VEXcode IQ

select pair.png

Select each image above to enlarge.

Then, select Connect or Pair.

A close-up screenshot of the Radio Connection Code dialog box. It reads Enter the 4-digit Radio Connection Code displayed on the IQ Brain, with a cursor in the text box indicating where to type the numbers.

If this is the first time you have connected the Brain to this device, a pop-up will appear in VEXcode IQ. This will prompt you to input a code from your Brain's screen.

A VEX IQ Brain with the screen showing orange and reading Bluetooth ID 5079.

The 4-digit code will appear on the Brain screen. Note that this will be specific to your Brain. The image shown here is an example of a 4-digit code.

A screenshot of the same Radio Connection Dialog as before, now with the Bluetooth ID 5079 entered in the text box, and the Submit button in the lower right corner highlighted.

Once you have input the code, select the Submit button.

A close-up screenshot of the Brain menu in the upper right corner of VEXcode IQ open. The Brain icon is green, and the Bluetooth Connection row of the menu reads Connection, indicating the Brain has successfully been connected.

Once connected, the Brain icon in the Toolbar will now appear green. Now, when the Brain icon is selected, the Bluetooth Connection option will read Connected.

Disconnecting a VEX IQ Brain

The same image as the one previous, this time highlighting the Disconnect Bluetooth button at the very bottom of the Brain menu.

Select the Disconnect Bluetooth button in the Brain menu to disconnect the Brain from VEXcode IQ.