This might be good

• Jul 11, 2013

• #1

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osmosis321

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SZXDY03 T6 U2 2.2A 5-Mode LED Driver Circuit Board for DIY Flashlight - Green (DC 12~16V) - Free Shipping - DealExtreme Only

 

• Jul 11, 2013

• #2

IsaacT

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I think a 3 mode driver would be of more interest to laser hobbyists but that is still a pretty cool find! Might work well for a 9mm build.

 

• Jul 11, 2013

• #3

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osmosis321

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I was thinking the price was good, especially for a built unit. With very minor modification (which, admittedly, few people are capable of doing) the output current could easily be brought down to 1.8A.