Recent content by digbob

Here is the link for that one: 50mW 520nm green laser module /PL-520 direct green laser diode [OL-520-50] - $59.00 : Zen Cart!, The Art of E-commerce it was in there, but just linked under the word "this". That would probably work okay. I could use rechargeable batteries. How big is the unit...

For a university club project I need a laser that will noticeably affect a photocell in daylight from ~20ft. The photocell is in a small enclosure, but it still gets a fair amount of light from the surroundings. Right now I am using a very cheap 5mW (apparently) red pointer, and it is so weak...