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Old 12-23-2007, 05:53 PM #17
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Default Re: help with wiring

Quote:
Originally Posted by divindavid
hey i have another question i know that this circut you guys posted is to make the laser last a long time and i know that theres an easer way with out the LM317 capassaters and resisters. because i saw a video on youtube
does any have the circuit diograhm that goes from the diode to the pot and then the power sourse if so can you please post it


the reson why i am not looking for the hard way to do it is becuase this is my first time builting one and i have two of everything i need (i accidentally ordered two)

soo


D.
If the laser diode had a fixed resistance then yes, you could just use another resistor to limit the current. But a laser diode, like any other semiconductor, changes it's resistance depending on how much current is flowing through it and on the junction temperature.

This is why you need a laser diode driver.

As for the Youtube video, Youtube is for entertainment and nothing more. Anything you see on Youtube is crap. Never ever trust it. (unless you believe that there are 1500 AAs and a unicorn inside every car battery. LOL, I hope you've seen that video or else I'll look like even more an ass.)


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Old 12-23-2007, 05:57 PM #18
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Default Re: help with wiring

Dont forget about the gameboy!! ;D

Heres what hes talking about... http://www.break.com/index/car-battery-hack.html

..lazer... ;D ;D ;D
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Old 12-23-2007, 06:09 PM #19
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Default Re: help with wiring

Thanks wooooooooo
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Old 12-23-2007, 07:02 PM #20
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Default Re: help with wiring

ok then i guess i will stick with doing it the hard way
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Old 12-23-2007, 07:18 PM #21
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Default Re: help with wiring

Quote:
Originally Posted by divindavid
ok then i guess i will stick with doing it the hard way
It really isn't hard at all. Plus you said you had a friend that would help you. Once you see how easy it is you will be experimenting like crazy, and once you see the beam you will have the laser bug.. ;D

BTW...be very careful...you really should get a pair of goggles especially for burning. They will run you around $60.00 shipped. You can't buy new eyes.

http://www.wickedlasers.com/lasers/R...des-49-16.html
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Old 12-23-2007, 08:40 PM #22
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Default Re: help with wiring

Quote:
Originally Posted by wooooooolazer
Dont forget about the gameboy!! ;D

Heres what hes talking about... .....

..lazer... ;D ;D ;D
(I couldn't even quote the link in my response.. heh)
That has to be one of the more stupid videos I've seen posted anywhere.. Anyone that actually tried it (meaning they're that stupid), should be fitted for a Darwin award..


Re: doing this w/o the regulator.. Unless you want an LED that looks like a laser diode.. I wouldn't do it

The regulator circuit isn't hard, and there's plenty of pictures around.. You'll be glad you did it.
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Old 12-23-2007, 09:25 PM #23
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Default Re: help with wiring

Somone did try this one.. http://www.break.com/index/how-to-sa...batteries.html


Heres how it turned out ;D... http://www.break.com/index/lantern-b...ick-fails.html

(does anyone know how to get a link without seeing the http://, for example i see some times it says "click here" and its orange and when you click on it it takes you to a link.)

BACKONTOPIC: Making the cicruit is infact very easy, and with all those pictures you should get it in no time.

...lazer... ;D ;D ;D
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Old 12-23-2007, 11:59 PM #24
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Default Re: help with wiring

Quote:
Originally Posted by wooooooolazer
Somone did try this one.. .....


Heres how it turned out ;D... ....

(does anyone know how to get a link without seeing the ...., for example i see some times it says "click here" and its orange and when you click on it it takes you to a link.)

BACKONTOPIC: Making the cicruit is infact very easy, and with all those pictures you should get it in no time.

...lazer... ;D ;D ;D

That's why there is no useful videos on sites like "break"... that 2nd dude is too funny "it's a bunch of BS mate, fake"

too funny.. the only legit one is the 9v one.. it has AAAA batts in it (which are basically pointless)
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Old 12-24-2007, 07:29 AM #25
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Default Re: help with wiring

Quote:
Originally Posted by wooooooolazer
(does anyone know how to get a link without seeing the http://, for example i see some times it says "click here" and its orange and when you click on it it takes you to a link.)
{off topic}
do you mean ' [ url = http://www.google.com ]GIYF[ / url ] ' ? Take out the spaces and it would show 'GIYF'
PM me if you want to test it out
{/off topic}
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Old 12-24-2007, 01:27 PM #26
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Default Re: help with wiring

thats weird so far i have only seen like 2 pictures of the circuit can any one point me to a few more
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Old 12-24-2007, 07:11 PM #27
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Default Re: help with wiring

Quote:
Originally Posted by divindavid
thats weird so far i have only seen like 2 pictures of the circuit can any one point me to a few more
Here's the easiest one http://www.laserpointerforums.com/fo...98281877/12#12
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Old 12-24-2007, 07:28 PM #28
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Default Re: help with wiring

yes that one is very easy and i understand almost all of it the only thing i dont under stand is the POT the picture is a little weird
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Old 12-24-2007, 07:50 PM #29
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Default Re: help with wiring

There are two of the three pins on the pot that always maintain the same resistance across them no matter how the pot is set. the third pin is connected to the part that moves when you turn the knob. Connect the third pin and one of the other two to the Vout pin of the LM317, the only remaining pin is connected to the other resistor/s.
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Old 12-24-2007, 10:04 PM #30
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Default Re: help with wiring

google

Lets see if that works., hey it worked..cool

backontopic again...remember when you hook up your driver you will have to find the max resistance of the pot which is determined by the way you hook it up. Then turn the resistance down from there until you find the right spot.

This kinda shows how the pot should be.

...lazer... ;D ;D ;D
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Old 12-25-2007, 01:50 AM #31
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Default Re: help with wiring

thank you so much that helped so much i am so excited
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Old 12-25-2007, 02:15 AM #32
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Default Re: help with wiring

also i have two small questions

what do i use to power this i think it sayed it needed 6V and i know i could use a 6V hobby battery but what about anything smaller


what is i going to put this is i am thinking of a hobby box but i am not to sure or an altoids can
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