This can easily be done with an EZ Robot. The best part is you can use a laptop and watch it by using your DSLR as a webcam on your ez robot.
Asked
— Edited
Ultrasonic Distance
— Displays HC-SR04 ultrasonic distance readings in ARC; scriptable via GetPing(), pausable, sets a variable with multiplier, optional NMS output
Try it →
Page not found on your video link
Is this the link he meant?
Copy the Youtube URL, press "Add YouTube Video" and paste the URL. Press OK.
I guess you could do that with the EZ-B... It's not really robot related, at all - but kudos to a creative use
It would sure be a lot easier with the EZ-B! Everything with Arduino is painful.
Neat link! However, we'll continue to focus on Robotics