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Old 06-21-2013, 10:01 AM #1
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Default 30mW dx.com laser module help

Hi, i am very new to this and i just got my 30mW green laser module
which is this one and i was wondering, if i want to use the spring for power, is the spring positive or negative

and the other connection is the case arround the diode,right?



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Old 06-21-2013, 07:08 PM #2
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Default Re: 30mW dx.com laser module help

THe spring is negative. By the way, welcome! A good way to introdoce yourself is in the Welcome Area!
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