Search found 2 matches

by Cirqmaster
Wed Dec 21, 2005 4:08 am
Forum: Robotics
Topic: 200 feet IR Beam
Replies: 10
Views: 7296

Re: 200 feet IR Beam

It's actually a barrel racing Timer like you would see in a rodeo, so the beam has to span the entire width of the arena. Mostly I'm just looking for some basic constants about distance. like Which yealds better results a more powerful led, or more leds How does frequecy affect distance? Are some of...
by Cirqmaster
Tue Dec 20, 2005 2:40 pm
Forum: Robotics
Topic: 200 feet IR Beam
Replies: 10
Views: 7296

200 feet IR Beam

I am building a horse racing timer, I need an IR beam to travel 200 feet. I have been using commercially available optical sensors, but now I am trying to build my own. Can someone tell me some of the key points to getting distance. Dectector Hertz lenses number/pattern of LEDs etc... Thanks Rusty S...