Quote Originally Posted by Mike1234 View Post
Heh... I must have stolen your idea. I just posted something smilar but using a tightly packed bank of LED's. Maybe I should just delete mine.
Here's a link to yours...


I started to merge these threads, but I don't want to do that if the technical details are sufficiently different, so I think it's helpful to have relative links. Ok... I'll confess, I don't fully understand the technical jargon here!!