I've been reading through this thread over the last few weeks, and it has provided me with really valuabe information - just about the only info I could find. I can see that, although i am confused myself, it is frustrating for the people offering advice. thank you all so much for your help and...
I've looked everywhere for information on photocells and a distance-output equation, but have found nothing.. Anyone got any ideas on this?
edit: forget it, sorry, i have found another thread on this forum . thanks guys. :D