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Old 06-21-2011, 04:41 PM #1
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Default HELP, 18650 build problem.

okay, i just recieved my 18650 host from Jay

FS: 18650 Build Kit! Easy Assembly! 445nm, Blu-ray, or Red...

im running into a big trouble when trying to make this host work properly with my laser and driver. basically i followed the instructions. removed the p4 emiter driver and its components, i then soldered my driver onto the + and - wires on the p4 emmiter driver. and it does not work. i have my laser diodes case pin soldered onto the negatice pin. im not sure if that would be the cause. i have a feeling that this host is a case positive one. if so how can i and what do i need to do with the case pin? please help


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Old 06-23-2011, 08:18 PM #2
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Default Re: HELP, 18650 build problem.

Case negative/positive is determined by the direction the batter is put in. Positive end towards the tail cap case positive. Negative end towards the tail cap- case negative. I have a laser built in that same host by another forum member that's case negative. You can't use the P4 emitter's driver. You need a flex or boost drive. Unless you buy a blank board from somewhere like DX you'll have to either desolder the components (probably can use a screw driver and scrape them off too) or bypass it completely by drilling through the board in the center of the positive contact pad giving you a place to run and solder your positive connection to. You can probably reuse the negative connection point on the driver board. I've never used this host in a build so I can't say for sure but it should work.
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Old 06-23-2011, 09:33 PM #3
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Default Re: HELP, 18650 build problem.

What drive are ya using? Oh, and pics would be good of your set up if possible.
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Old 06-23-2011, 09:34 PM #4
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Default Re: HELP, 18650 build problem.

okay ive fixerd it now. i had no continuity, didnt know it, untill i bought myself a multimeter and check it. now it works now i need some decent batteries. i accidentally shorted my 1800mah GTL lr123a and now theyre broken lol
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Old 06-23-2011, 10:06 PM #5
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Default Re: HELP, 18650 build problem.

Quote:
Originally Posted by Kevlar View Post
What drive are ya using? Oh, and pics would be good of your set up if possible.
no its fine ive fixed it now :P.
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Old 06-23-2011, 11:32 PM #6
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Default Re: HELP, 18650 build problem.

Glad you got it!
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