View Single Post
  #5   Spotlight this post!  
Unread 26-02-2014, 15:52
electroken's Avatar
electroken electroken is offline
Electron Tamer
AKA: Ken Pontbriant
FRC #0230 (Gaelhawks)
Team Role: Mentor
 
Join Date: Jan 2012
Rookie Year: 2012
Location: Shelton, CT
Posts: 168
electroken is a jewel in the roughelectroken is a jewel in the roughelectroken is a jewel in the rough
Re: RangeFinders: IR vs. Ultrasonic

Quote:
Originally Posted by Colin Small View Post
Then the MB1240 is what we'll go with. Can you angle them upwards to try to avoid our bumpers (due to our design layout; a rangefinder wasn't in our original design)? Sound isn't a strait line, so wouldn't it mess up the sensor if you don't have it flat?
Look up the data sheet for the MB1240 and you'll find it has a very narrow beam angle. In fact, it's the most narrow of any of their sensors. What that means is if it isn't aimed right at the wall you'll get very little signal back.

The angle of incidence = the angle of reflection, and all that.
Reply With Quote