Configuring the Vision Sensor in Web-based VEXcode IQ

The Vision Sensor allows your robot to collect visual data from a streaming video camera transmission. The Vision Sensor can collect information about the robot’s environment, including recognizing colors and color codes.

Adding a Vision Sensor Device

Diagram illustrating the configuration of a VEX IQ robot, showcasing various components and their arrangement, relevant to educational robotics and programming within the VEX IQ platform.

Open the Devices window.

Diagram illustrating the robot configuration for the VEX IQ Robotics platform, showcasing various components and their arrangement for educational robotics projects.

Select Add a device.

Diagram illustrating the robot configuration options for the VEX IQ Robotics platform, showcasing various components and their arrangement for educational robotics projects.

Select the Vision Sensor icon.

Diagram illustrating the robot configuration options for the VEX IQ Robotics platform, showcasing various components and their arrangement for educational robotics projects.

Select the port in which the Vision Sensor is attached to the IQ EXP Brain. Ports that are already configured will be unavailable.

Once the port has been selected, you will see the Vision Sensor’s Configure screen. To Configure, follow the next set of steps. 

Opening the Vision Utility

Diagram illustrating the robot configuration options for the VEX IQ Robotics platform, showcasing various components and their arrangement for educational and beginner robotics projects.

Select Open Utility to open the Vision Utility in a new web browser tab. 

Diagram illustrating the robot configuration for the VEX IQ Robotics platform, showcasing various components and their arrangement, designed to assist educators and students in understanding robot assembly and programming.

The web-based Vision Utility will open. Select the camera icon in the upper left corner to capture an image.

Note: The web-based Vision Utility is unable to store or load previous configuration data. Every time the web-based Vision Utility is loaded, all signatures will be cleared.  

Diagram illustrating the robot configuration for VEX IQ, showcasing component placement and connections to assist educators and students in building and programming their robotics projects.

A dialogue box will open, prompting you to choose the vision sensor. Select the Vision Sensor.

If no devices appear in this list, make sure your Vision Sensor is connected to your computer via the microUSB cable.  

Diagram illustrating the robot configuration for the VEX IQ Robotics platform, showcasing various components and their arrangement to aid in educational robotics projects and programming with VEXcode IQ.

Select Connect. 

Configuring Signatures

Diagram illustrating the robot configuration for the VEX IQ Robotics platform, showcasing various components and their arrangement, designed to assist educators and students in understanding robot assembly and programming.

Once the Vision Sensor is connected, an image will be captured.

You can select the camera icon again after the Vision Sensor is connected to capture a new image.

Note: Live streaming video from the Vision Sensor is not available with the web-based Vision Utility.  

Diagram illustrating the robot configuration for VEX IQ, showcasing various components and their arrangement for educational robotics projects, as part of the VEX IQ knowledge base resources.

Select a colored area on the object that will be used to configure the color. The Set icons will turn green when a new signature is being configured. 

Diagram illustrating the robot configuration options for the VEX IQ Robotics platform, showcasing various components and their arrangement for educational robotics projects.

Once the colored area has been selected, configure the color by selecting the Set button. 

Diagram illustrating the robot configuration options for the VEX IQ Robotics platform, showcasing various components and their arrangement for educational robotics projects.

Type in the signature box to name the configuration.

Note: Make sure to capture any other necessary colors during this step.

Diagram illustrating the robot configuration for VEX IQ, showcasing various components and their arrangement, aimed at helping educators and students understand assembly and programming for robotics projects.

The signature’s configuration code will appear in the box below. Select Copy Config to copy the code.

Important: Afterwards, make sure to close this page.

Diagram illustrating the robot configuration options for the VEX IQ Robotics platform, showcasing various components and their arrangement for educational robotics projects.

Other functionality includes:

  • Brightness Slider - Use the slider at the top of the page to adjust the brightness of the image that the camera sees. It is important that this brightness remains consistent every time the Vision Sensor is used.
  • Color Threshold Slider - Click the arrows beside a signature box to adjust how close a color can be recognized as the specified color within the designated signature box.
  • Clear - Select Clear beside any of the signature boxes to clear that specific signature.
  • Clear All - Select Clear All at the bottom to clear all signature boxes.

Diagram illustrating the robot configuration options for the VEX IQ Robotics platform, showcasing various components and their arrangement for educational robotics projects.

Return to VEXcode with the Devices Window open and select Paste Config.

You may get a browser security prompt asking for permission to paste the text - if so, please choose Allow.  

Diagram illustrating the robot configuration for VEX IQ, showcasing various components and their arrangement, designed to aid educators and students in building and programming robots effectively.

The configuration code will appear in the window. 

Diagram illustrating the robot configuration options for the VEX IQ Robotics platform, showcasing various components and their arrangement for educational robotics projects.

Select Done. Your vision sensor is now configured and ready to use. 

For more information, help, and tips, check out the many resources at VEX Professional Development Plus

Last Updated: