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Old 12-08-2011, 09:26 PM #1
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Default Need help with power supply

Hi, i was thinking about buying a green 200mW laser module and I'm seeking help. I am new to lasers and if I buy this particular how will i attach a power supply to it? What type of battery is needed for the the module and do I need a host for it?

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link to the laser
laserhttp://www.ebay.ca/itm/200mW-532nm-Solid-Green-Laser-Diode-Module-w-h-Heatsink-/260611008003?pt=LH_DefaultDomain_0&hash=item3cada0 6603#ht_3612wt_986


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Old 12-10-2011, 07:00 AM #2
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Default Re: Need help with power supply

Hi, you could use 2 regular AA batteries to power this module(note that the spring is the negative contact and the module itself is positive) , or a powersupply with 3 volts Out.For the powersupply you can use a computer PSU - get the green wire and a balck and connect them together, then take a orange cable and connect it to the brass(yellowish metal) part of the module and a black wire to the spring.For using it in a host you may need a custom heatsink

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