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Old 10-10-2008, 12:04 AM #1
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Default Need help on Laser Module

I have just received the following laser module from standstone11. The question I have is:
Is the spring positive or negative? I can't tell from looking at the PCB. Next to the PCB or two locations marked as shown. My gut says the spring is positive but I want to check before applying power. Also does anyone know if the small switch is active? Meaning, once power is applied do I also need to press the button for it to illuminate. Thanks,



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Old 10-10-2008, 12:09 AM #2
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Default Re: Need help on Laser Module

looks like a newish type if it has a button then yes and the spring should be your negative
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Old 10-10-2008, 12:28 AM #3
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Default Re: Need help on Laser Module

I have the module's from there, spring is negative, case is positive. and you're right about the button.
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Old 10-10-2008, 12:59 AM #4
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Default Re: Need help on Laser Module

That worked...thanks!
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