The I "C" Red Battle Royale LPF Contest

• Aug 16, 2013

• #225

R

ricktrent4

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I got one of the 5A drivers off ebay can some one look at this and see were the + and - inputs go and out put
and I will see if it work on the 5w 650 diode. It showed more then one diode set up and at around $400 per diode would like to be sure I did it right!


thanks
http://www.teamwavelength.com/downloads/datasheets/pldseries.pdf

251219301553
eBay item number:

 

Last edited: Aug 16, 2013

• Aug 17, 2013

• #226

IsaacT

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I really hope I win! I will try to get pics tonight of my designs. The issue is I need to darken them somewhat so they are visible. I think it would be stellar to have a back up diode just in case. I could also maybe build a second one! I hope my designs dont get thought less of because I stabbed my checking account and bought a diode already.

 

• Aug 17, 2013

• #227

Lazerbeak

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I doubt it Issac, you're not the only one

~ LB

 

• Aug 17, 2013

• #228

Wolfman29

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I think we all hope we win! Hah. My project needs to go on hiatus at least until Sunday or so - I am moving back into school on Sunday so all my things are packed up. But I got the right package of the binary counter in today, so that's the final piece of puzzle before I rig up the whole host! I have the buttons and everything. Come Sunday, I think I will have the whole build finished, with just a few wires sticking out the front for test loading.

Will the winners receive an appropriate lens too?

 

• Aug 17, 2013

• #229

Lazerbeak

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Nope. Just the diode Wolfman.

~ LB

 

• Aug 17, 2013

• #230

Wolfman29

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Anyone have a link to the good lens?

 

• Aug 17, 2013

• #231

IsaacT

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Thorlabs has it. Look at their site for one with 1/2inch diameter and 50mm focal length.

 

• Aug 17, 2013

• #232

Wolfman29

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Got it. I suppose I won't order it unless I win. I'll just drill the hole for it if and when I win. Otherwise, I will need a smaller lens!

 

• Aug 17, 2013

• #233

IsaacT

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Good thinkin haha. I am just waiting on the host and the driver right now.

 

• Aug 17, 2013

• #234

CDBEAM777

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Gentlemen, Just a little update. Progress on the " Judge dREDd " design is moving forward.

I again thank Laserbeak for this opportunity. I have had WAY tooo much fun...Planning and Plotting !!!

My design will mux ( yes...MUX) Optics,Electronics, the LAZ-650C...against the backdrop of Steam Punk and" The Lawgiver "

Good luck to my fellow contestants !!! I am sure we will see some novel and great designs !!!

45 days and counting !!!

CDBEAM=======>

 

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Last edited: Aug 17, 2013

• Aug 19, 2013

• #235

Wolfman29

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An update from me: I got the correct package, but this time, I installed it backwards! I think that, plus the fact I accidentally fried the IC (fed it over 7V) means I have to order ANOTHER one! Shame. Ah well, I ordered it express, so should be here in a few days.

 

• Aug 21, 2013

• #236

Wolfman29

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So again, minor problem :\ The counter isn't working properly. No idea why. If I feed the rest of the board the binary signal (000 to 111), it'll work perfectly. But the counter doesn't want to do that properly. I am going to try other things, I suppose.

Hope this works :\

 

• Aug 21, 2013

• #237

The Lightning Stalker

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Oh crap, I've been sleeping! Is it too late? I can do machining if anyone wants to team up with me. See the DOH! thread for an example. I am heavily desirous of one of these diodes!

 

• Aug 23, 2013

• #238

Wolfman29

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So good news. I posted over on allaboutcircuits what my problem was, and they may have solved it. I ordered parts to attempt a solution, and hopefully it'll work! Then I can begin heatsink design!

 

• Aug 23, 2013

• #239

The Lightning Stalker

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I'm assuming the counter is to generate the PWM signal? It could be more easily done with a microcontroller. The debounce and counting and everything would all be done in software. Smaller chip, lower parts count, etc. Actually, with a few small alterations, I already have a solution ready to go which uses a PIC10F200. If we partner up, I know we could do something awesome.

 

• Aug 23, 2013

• #240

Wolfman29

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Nope, it doesn't generate a PWM signal! Actually, it simply outputs a 3 bit signal. The reason I went with a counter chip was because I figured it would be easier. Also, it's more home-brewed. Have you ever heard of a driver made without a microcontroller that has modes? XD

EDIT: And actually, the part count for the modes is pretty low. All it is going to require is two ICs (one is the counter, another is a schmitt trigger), two resistors, and two capacitors. The rest is to properly control the driver.

 

Last edited: Aug 23, 2013