On Sun, 08 Jan 2006 20:00:17 -0800, RST Engineering wrote:

Good idea, Joerg. Where do I get onesie-twosie IR sensors that will trigger
at 3 meters or better?


Look at garage door opener safety electric eye thingies. ;-)

Cheers!
Rich

Jim



"Joerg" wrote in message
om...
Hello Jim,

Since you said this is a road with very little traffic can't you just rig
up two IR sensing paths?