Old 02-27-2011, 07:56 AM #1
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Smile === 1W 445nm Lm317 Project with Photos! ===

Hi everyone,

I just completed my LM317-driven 1W 445nm project. I would like to thank DTR for the good diodes, and all the help and information in this forum. I've based my driver circuit off a standard Lm317 driver. This project was made to run off 3x CR123A batteries, which can be both Li or Li-ion.



See here for more details!:

Loneoceans Laboratories - Project 445

Attached Thumbnails
=== 1W 445nm Lm317 Project with Photos! ===-12_completed1_small.jpg   === 1W 445nm Lm317 Project with Photos! ===-1w455.jpg  



Last edited by loneoceans; 02-27-2011 at 08:29 PM.
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Old 02-27-2011, 08:37 AM #2
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Default Re: === 1W 445nm Lm317 Project with Photos! ===

That's a beauty
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Old 02-27-2011, 10:13 AM #3
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Default Re: === 1W 445nm Lm317 Project with Photos! ===

Oh lawd, she's purdy.

How much current are you giving it? Is it adjustable?
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Old 02-27-2011, 08:26 PM #4
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Default Re: === 1W 445nm Lm317 Project with Photos! ===

Thanks for the comments!

This one is running just about 1040mA. I decided not to make it adjustable since I didn't have suitable variable resistors lying around but it seems to be running just fine. The heatsink for the LM317 and diode seem to be working well.
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