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Blue 100mw laser
- Thread starter arlo1020
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marianin
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if you want to build one very cheap make a simple driver wit a lm317 and a resistor of 10 ohms(link) an buy a phr-893t diode from cajunlasers.com(link)
is the simplest way (and the ceapest)
is the simplest way (and the ceapest)
lman
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if you want blue star away from 405nm thats a violet color.