http://www.RoboRealm.com/ The newest forum threads. Tue, 30 Nov 1999 00:11:00 EST en-us Copyright: (C) RoboRealm, http://www.RoboRealm.com/ http://www.RoboRealm.com/ Nuno,<br><br>You can read more about the math at<br><br><a href="http://ashishrd.blogspot.com/2006/11/obstacle-detector-using-webcam-and.html" target="_blank">http://ashishrd.blogspot.com/<wbr>2006/<wbr>11/<wbr>obstacle-<wbr>detector-<wbr>using-<wbr>webcam-<wbr>and.html</a><br><br>but basically if you angle the laser down from the top of the robot then the spot height will relate to the distance that the spot is illuminating.<br><br>STeven.<br> http://www.roborealm.com/forum/index.php?thread_id=3569 http://www.roborealm.com/forum/index.php?thread_id=3569 Tue, 30 Nov 1999 00:11:00 EST Is it possible to implement a distance meter (rangefinder) using a webcam and the laser spot module? If so, can you please give me some indications on how to do that?<br><br>Regards,<br>Nuno http://www.roborealm.com/forum/index.php?thread_id=3569 http://www.roborealm.com/forum/index.php?thread_id=3569 Tue, 30 Nov 1999 00:11:00 EST