Using the VEX Classroom App with the 123 Robot

The VEX Classroom app is a useful tool that allows you to get started quickly. The app can be used to easily update 123 Robot Firmware, including updating multiple robots at one time. You can also use it to rename 123 Robots, monitor robot battery life, and more!

Navigate to your device’s app store and search for ‘VEX Classroom’ to download the app if you have not already done so.

Note: the VEX Classroom app is available on the following platforms:


Getting Started

Screenshot of the VEX Classroom App welcome screen with a message from Colonel Jo explaining that the app is designed to manage your VEX devices. At the bottom of the screen is a highlighted button that reads Scan for Robots/Coders.

When you open the VEX Classroom App,  you will see an image of Colonel Jo explaining the purposes of the app.

Select 'Scan for Robots/Coders' to begin.

Updating the 123 Robot Firmware

Screenshot of the VEX Classroom App with various connected VEX devices in a list. One 123 Robot is shown in red indicating that it needs to be updated.

The firmware on one or multiple 123 Robots can be updated using the VEX Classroom app.

For more information on how to update one or multiple 123 Robots using the VEX Classroom app, view the Update the 123 Robot Using the VEX Classroom App article.


Renaming a 123 Robot

Screenshot of the VEX Classroom App with various connected VEX devices in a list. One 123 Robot is highlighted, indicating that it can be renamed by selecting it.

To rename a 123 Robot, select the 123 Robot you want to rename.

Screenshot of the VEX Classroom App with a 123 Robot's menu opened and the 'Rename' button to the right highlighted.

A list of options will appear. Select ‘Rename.’

Screenshot of the VEX Classroom App after the 'Rename' button has been selected. A prompt reads 'Please enter a new name (7 character max)' and has a text field to input the new name.

A prompt will appear to enter the new name of the 123 Robot.

Screenshot of the VEX Classroom App after the 'Rename' button has been selected. The rename prompt's name input field and the Ok button are both highlighted, and the name Robot 1 has been written.

Enter the 123 Robot’s new name. Note that only letters, numbers, and spaces are accepted. Names are limited to 7 characters and any characters above 7 will be automatically removed. Once finished, select ‘OK.’

Screenshot of the VEX Classroom App with a 123 Robot's menu opened and the name changed to read Robot 1.

The new name will then display.


Locating a 123 Robot

A 123 Robot can be located using the app. The location feature identifies a specific 123 Robot by making the indicator light on the 123 Robot flash yellow, and playing a chirping sound.

Screenshot of the VEX Classroom App with various connected VEX devices in a list. One 123 Robot is highlighted, indicating that it can be located by selecting it.

To locate a 123 Robot, select the 123 Robot that is to be located.

Screenshot of the VEX Classroom App with a 123 Robot's menu opened and the 'Locate' button to the left highlighted.

A list of options will appear. Select ‘Locate.’

The 123 Robot icon and name in the app will flash yellow, and the indicator light on the 123 Robot will flash yellow. The 123 Robot will also make a ‘chirp’ noise. Once the location has ended, the 123 Robot’s name and icon will now show green in the app and the indicator light on the 123 Robot will pulse white. View this animation to see the changing light colors and listen to the ‘chirp’ sound of the 123 Robot.


Monitoring Battery Life

Screenshot of the VEX Classroom App with various connected VEX devices in a list. Each 123 Robot's battery icon to the right of its name is highlighted.

The state of each 123 Robot’s Battery is listed. This can be used to monitor the Battery life of one or more 123 Robot’s within range.


Adjusting the 123 Robot’s Volume

Screenshot of the VEX Classroom App with various connected VEX devices in a list. One 123 Robot is highlighted, indicating that its volume can be changed after selecting it.

The 123 Robot can play various sounds. To adjust the volume of a 123 Robot, select the 123 Robot that is to be adjusted.

Screenshot of the VEX Classroom App with a 123 Robot's menu opened and the Volume dropdown button on the bottom right highlighted.

Select the volume drop-down.

Screenshot of the VEX Classroom App with a 123 Robot's menu opened and the Volume dropdown menu opened. The volume can be changed to any value between 1 and 15 before pressing the Done button to close the menu.

Choose a new volume level from 1 (lowest setting) to 15 (highest setting) and select ‘Done’ when finished. The default volume setting is 15.

Screenshot of the VEX Classroom App with a 123 Robot's menu opened and the updated Volume value on the bottom right highlighted.

The new volume level will then be displayed.


Adjusting the 123 Robot’s Sleep Time

Screenshot of the VEX Classroom App with various connected VEX devices in a list. One 123 Robot is highlighted, indicating that its sleep time can be changed after selecting it.

The 123 Robot will go to sleep (power itself off) after a set amount of time. To adjust the 123 Robot’s sleep time, select the 123 Robot that is to be adjusted.

Screenshot of the VEX Classroom App with a 123 Robot's menu opened and the Sleep Time dropdown button on the bottom right highlighted.

Select the sleep time drop-down.

Screenshot of the VEX Classroom App with a 123 Robot's menu opened and the Sleep Time dropdown menu opened. The sleep time can be changed to either 2 minutes, 5 minutes, or 15 minutes before pressing the Done button to close the menu.

Choose a new sleep time of 2 minutes (lowest setting), 5 minutes (medium setting), or 15 minutes (highest setting) and select ‘Done’ when finished. The default sleep time setting is 5 minutes.

Screenshot of the VEX Classroom App with a 123 Robot's menu opened and the updated Sleep Time value on the bottom right highlighted.

The sleep time will then be displayed.

 


To learn more about understanding the 'Device Info' for a connected 123 Robot, see this article.

Accessing Help in the VEX Classroom App

Screenshot of the VEX Classroom App welcome screen. At the top of the screen is a highlighted button that reads Help.

The Help feature in the Classroom App can be accessed from the Splash Screen as well as the Scanning Screen by selecting 'Help'.

Screenshot of the VEX Classroom App's Help screen, with a list of links to VEX Library articles on VEX 123 and VEX GO.

The Help feature will link you to articles that provide additional information. Select the desired article.

Screenshot of a VEX Library article that was opened from the VEX Classroom App's Help screen.

The selected article from the VEX Library will be displayed.

To return to the VEX Classroom App, navigate to the home screen of your device, then back to the Classroom App.

Screenshot of the VEX Classroom App's Help screen, with the Back button on the top left highlighted.

To return to the Scanning Screen from the Help feature, select 'Back'.

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

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