I just looked on Digikey for Laser diodes, and the least expensive I could = find, was about $5 in Q 50,000! Where can I source small, very inexpensive visible laser diodes? 1 to 5 mW= would be fine. No other particular requirements. I might even go as far as bare chips for a COB design. --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .