(...) I don't have anything *like* this much luck. I find I can lose the signal really easily...I think it depends a LOT on the size of the room and the colour and type of the paint on the walls. The power from a light source decreases with the (...) (24 years ago, 9-Jan-01, to lugnet.robotics)
(...) For infra_red_ that may be about the same thing as black. A good idea in many places is to point the IR upwards, assuming that (a) there is a ceiling and (b) it is not dark green. Jürgen (24 years ago, 9-Feb-01, to lugnet.robotics)