
Measuring distance using a webcam and a laser
After seeing mini radar project by Aron Horan last year (http://robohoran.wordpress.com/2013/11/27/mini-radar/), I decided to give it a go using a webcam and a laser. The reason for doing this is because using an ultrasonic sensor does not provide precise readings of gaps due to its large viewing angle, the Sharp IR sensor is another option…