Old 05-11-2009, 07:09 PM #1
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Default Bough laser module, didnīt fit - now what?

Hello again folks,

I recently bought a 80-100mW green laser module from olike.
http://www.o-like.com/b2b_cpinfo.asp?id=909

My plan was to fit it into an old green laser casing that I had around, some old cheap chinese green laser used to be in there.
Now the new one does not fit, and I was sort of expecting that, itīs too long.
Anyways, if I want to put this little thing to life, how would I go about that?

3V battery, one wire to the spring, the other one to the brass? Where does the + go, in that case?

Thanks for you help!
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Old 05-11-2009, 07:38 PM #2
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its case positive you need to have a mount fabbed thats threaded or pressed or just somehow mounted but neg to the spring then the plus is the brass top
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Old 05-11-2009, 08:53 PM #3
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I don't have an O-like module handy but IIRC there are 2 solder joints to the diode on one side of the board and a single on the other, that is your case positive so you could solder the + to that joint and use the - to the spring (if you didn't want to fiddle around with mounting, etc)
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Old 05-12-2009, 07:48 PM #4
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Ok, I tried with a wire and it works on an old module I have, but not the new one?!
Could it be broken?

There is a little white "button" on the circuit board - whatīs it for?
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Old 05-12-2009, 08:15 PM #5
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Quote:
Originally Posted by atlemo View Post
...There is a little white "button" on the circuit board - whatīs it for?
That would be to turn the laser on... Hook up the - end of the battery to the spring and the + end up to the brass, press the button.
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Old 05-12-2009, 08:30 PM #6
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Aaah, I actually have to hold the white button in all the time.
I guess I have to make a casing that uses that button function then

Cheers!
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Old 05-12-2009, 09:11 PM #7
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I have a host that is set up for one of those O-like green modules!

Even if you do not want my 'DIY Green Kit', you can look at the thread for good tips on assembly of someting similar. There is a nice picture of how easy it is to by-pass the side button switch if you are using a tail button host...

See here:
http://laserpointerforums.com/laser_...ad.php?t=22520
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Old 05-12-2009, 09:22 PM #8
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Quote:
Originally Posted by atlemo View Post
Aaah, I actually have to hold the white button in all the time.
I guess I have to make a casing that uses that button function then

Cheers!
Either that or if the host you choose has a different button or switch you can solder a wire from one end of the button to the other, shorting it out and making it "always on" so you can use a different switch to control the laser.

Edit: See jayrob's post above
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Old 05-12-2009, 09:26 PM #9
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Thanks for the info jayrob!
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