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Old 03-25-2011, 05:24 PM #1
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Cool 635nm 40mW pointer build

Hello community!
Today I finally put my "sayno" 635nm 40mW ebay diode into a host!
I used the driver from a greenie ebay pointer, because it is a negative regulator,
and these diodes are case positive, just like IR diodes.
Furthermore, the diode's pinout is the same as the IR pump diode's.
All I had to do was figure out the driver's output current and pot-mod
it for a comfortable ~110mA.

So there you have it, diode's pins trimmed to size, into an Aixiz-module you go.
And that "collar" is the original "heatsink" from the host.

Other side.

I superglued a support to the driver board, so I don't have to fear about stressing
the diode's pins when pushing the button. Spring trimmed.

Everthing put back together.

Size comparison.

Ta-daaaah!!
Runs off a 14500.
Jealous much?


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Last edited by anselm; 03-25-2011 at 05:33 PM.
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Old 03-25-2011, 07:20 PM #2
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Default Re: 635nm 40mW pointer build

Where did you find out a good current limit? I haven't seen much info on these 635nm diodes.
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Old 03-25-2011, 08:21 PM #3
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Default Re: 635nm 40mW pointer build

From the thread about them, and the included specsheet:
40mW Sanyo 635nm LDs on Ebay
Attached Files
File Type: pdf dl-6148-030-1.pdf (36.9 KB, 169 views)
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Last edited by anselm; 03-25-2011 at 08:26 PM.
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Old 04-01-2011, 04:03 PM #4
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Default Re: 635nm 40mW pointer build

OK, there was something important missing on this one.

Ah, much better now!

Oh yeah and some obligatory BEAMSHOTS (gratuitous shepherd included!).
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Old 04-01-2011, 05:31 PM #5
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Default Re: 635nm 40mW pointer build

cool!
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Old 04-05-2011, 03:02 PM #6
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Default Re: 635nm 40mW pointer build

Your so lucky. I wish i got one of these.

Nice build.

+
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Old 04-05-2011, 03:12 PM #7
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Default Re: 635nm 40mW pointer build

Very nice build!
So the 635nm race it on!!
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Old 04-26-2011, 02:35 AM #8
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Default Re: 635nm 40mW pointer build

Humm. I have a box full these..more than i can count. I'll send you 3 pens can you send 1 back running at <100mw ?
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Old 04-26-2011, 02:39 AM #9
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Default Re: 635nm 40mW pointer build

I'll take a snap shot of the " Box o Junk" as the wifey calls it.
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Old 05-08-2011, 04:09 AM #10
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Default Re: 635nm 40mW pointer build

Quote:
Originally Posted by DarkSide View Post
Humm. I have a box full these..more than i can count. I'll send you 3 pens can you send 1 back running at <100mw ?
What do you mean? Do you have a box full of these diodes?

I didn't think so...
So you have a few of these hosts then, and would like me to make
you a red laser out of one of them?

I would, but I don't have another one of these particular diodes, and I don't know
if I ever will get one again.

I could make you a 650nm red one though, no problem.
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Last edited by anselm; 05-08-2011 at 04:18 AM.
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Old 05-11-2011, 01:21 PM #11
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Default Re: 635nm 40mW pointer build

How did you figure out the drivers current? Are you running it on a 3v of 3.7v 14650?
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Old 05-11-2011, 01:36 PM #12
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Default Re: 635nm 40mW pointer build

I figured the current like it's usually done, hooked that greenie driver to a testload.
It runs on either 2x AA alkalines or NiMh (with th extesion tube), or a single 3.7V 14500.
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