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Thanks for the ideas. I have done several version with battery packs but they limit the design's simplicity beyond an acceptable level. Someone found a red laser "bore sighter" tool that has all the components of a handheld laser pointer in the size of a bullet! So I know someone somewhere can...

Badger That laser pointer is almost perfect. I just need to fit it into a special housing for this project. I am designing a sort of laser tag like game. 50 ft would be the maximum I would need. Realistically I expect it to be 5-20 feet. How can I get something like this built that uses a...

Brilliant Josh, Thank you very much for your generous help. I will be back to reward you with more silly questions later on.

Thank you both for the quick assistance. Follow up questions: 1- Is 405nm the only thing that will work? or just the best? I guess I expected the answer to be in terms of a range. 2- When I asked for a parts list, I guess I am asking specifically for the components on the board. I have a red...

Hello laser pointer experts. I am working on a project and need some help answering a few questions I can't seem to find anywhere else. I am working on a project that involves marking photosensitive paper with a purple laser. I bought a purple laser on ebay that works great but I need to hack...