Old 04-09-2010, 04:26 AM #1
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Default My first Build - Red Lego Lab Laser

Hey guys, I have just completed my first successful build. While waiting for diodes to arrive in the mail, I got impatient and figured it would be a good idea to practice extracting diodes from sleds, and practice soldering while I wait for them to come. I had some spare dvd drives, and a couple of 8x burners. The diode in this build is from a NEC ND-1100a 8x DVD Recorder.

This Lego Lab Laser is what I made as a result . Inside the Legos is a LM317 based driver, with a 10 ohm resistor, a 22 uF capacitor and a N4001 diode. It is all hooked up to a 9V battery. Prior to the build I had it hooked up to a potentiometer based driver that maxed out at 125mA, the laser was very stable at this current, so I didn't opt to increase the current when I built the new driver.

I made a video and there are some more pics, but I figured it would be more appropriate to post them in the multimedia section.
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My first Build - Red Lego Lab Laser-img_0888.jpg   My first Build - Red Lego Lab Laser-img_0886.jpg  


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Old 04-09-2010, 05:48 AM #2
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Default Re: My first Build - Red Lego Lab Laser

Very cool! Id love to see the vids!
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Old 04-09-2010, 05:53 AM #3
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Default Re: My first Build - Red Lego Lab Laser

Awesome, first time I've seen a laser made with lego
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Old 04-09-2010, 05:54 AM #4
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Default Re: My first Build - Red Lego Lab Laser

Quote:
Originally Posted by Byrnz93 View Post
Awesome, first time I've seen a laser made with lego
Same here! Looks great!
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Old 04-09-2010, 06:17 AM #5
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Default Re: My first Build - Red Lego Lab Laser

Im glad you guys like it, here is a link to a thread I just posted over in multimedia.

There is a link to a video of the laser that I posted on youtube.

http://laserpointerforums.com/f48/re...vid-49732.html
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