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    Any up-to-date experiences with cheap Uvex Safety Goggles?

    I am searching for a pair of cheap, but good laser safety goggles. I do not use lasers frequently and only want them for an adjustable 5-20mw 405nm laser module. I found these glasses: http://www.amazon.com/Uvex-S0360X-Ultra-spec-SCT-Orange-Anti-Fog/dp/B003OBZ64M As you might know, these...
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    Controlling Laser module by Arduino

    I'm not sure how I'd do that... I mean If a person looks at the board, it he would stand directly in the line of fire of the reflection... Like in this picture: https://cnx.org/resources/26870a12b47ef00ee97b3d5469a3684bc8ccc4b9/Figure%2026_02_06.jpg That's why I thought you might be able to...
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    Controlling Laser module by Arduino

    I live in Switzerland so the legal situation is a bit more complicated... I'm probably going for the 5-20 mW one I linked before. I know its hard to find a 5 mW (because I didn't :D) so thats why I had the Idea with the resistor: I meant you use a driver, but in front of the driver you put a...
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    Controlling Laser module by Arduino

    Ok thanks!! I think I almost know everything I need to know now. So If I run It with 5 mw, is It safe to use it as a "clock", leaving it on all day with people walking by wearing no safety goggles? I would probably build a box around the laser with only the side facing the glow in the dark...
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    Controlling Laser module by Arduino

    I noticed the guy used a "UV" laser . You could not see the beam in the dark so that gives me an upper power limit. From what power onward can you see the beam in the dark? Are you sure 5 mw is enough power for this project? Also i found a laser module that seems perfect of me:Adjustable...
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    Controlling Laser module by Arduino

    What sort of power would I be looking at? You see I want to run the machine as a clock, so that It would write the current time every ten minutes or so. That is why I would like to use as weak a laser as possible so that you do not have to wear eye protection, and there is no risk of fire or so...
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    Controlling Laser module by Arduino

    Thanks for your answer. Believe it or not, but you are actually the first one who has been able to help me. Thanks! I am quite new with lasers (who wold have guessed that). I wonder how come laser diodes can not be connected directly to a voltage and current regulated power source similarly...
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    Controlling Laser module by Arduino

    Yes I am trying to replicate that machine. Why do you say it wouldn't work? Does the phosphorescent plate not react to that frequency, or do you simply mean the machine will look differently because of the different color? My schematic would have allowed that... I think. Basically I am asking...
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    Controlling Laser module by Arduino

    Hi I want to build something like this:Fade Away 1 - Matt Richardson, Creative Technologist Now I wonder 2 things: Firstly I'm not entirely sure how to control a laser with arduino. I can't find anything really good online. Say I wanted to hook up this laser: 532nm 30mW Green Laser Module 1...


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