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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Photo/Video/Media Gallery > another Poor man's M3 thread: Gone wild



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      04-14-2012, 08:17 PM   #815
Alpineweiss e90
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im doing 3 in series and will wire them in parellel with resistor limiting the current. im using 5050 smd so i don't have to use as many led to fill up the rings.

i used and online calculator to calculate what resistor i needed.

what driver are u using to power the led..
A LuxDrive 3023 buck puck. When you wire them in parallel, they will divide current evenly. So if you have 20 LEDs and a 1000mA driver, each LED would get 50mA.

http://www.ledsupply.com/03023-d-e-1000p.php
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      04-16-2012, 11:11 AM   #816
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Originally Posted by Alpineweiss e90 View Post
A LuxDrive 3023 buck puck. When you wire them in parallel, they will divide current evenly. So if you have 20 LEDs and a 1000mA driver, each LED would get 50mA.

http://www.ledsupply.com/03023-d-e-1000p.php
i would need a more powerful driver..
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      04-16-2012, 11:13 AM   #817
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oh its on....this is about 30mA going to each led... i just found out that these need at least 60 to be it full brightness... once done.. these should be twice as bright.. i wired these without any resistor just for kicks and it was blinding...




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      04-16-2012, 11:18 AM   #818
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Damn..... At first i thought, WTF is this guy doing to his Bimmer! but now wow, excellent work man you got mad skills
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      04-16-2012, 11:59 AM   #819
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O

M

G

!
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      04-17-2012, 09:46 AM   #820
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What's the max drive current of those LEDs? 30mA might need heat sinking. Do they get hot to the touch when on for an extended period?
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      04-17-2012, 09:59 AM   #821
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you should offer those lights as a side business before oss steals you're idea lol
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      04-17-2012, 10:03 AM   #822
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you should offer those lights as a side business before oss steals you're idea lol
your* idea not you're
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      04-17-2012, 10:10 AM   #823
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your* idea not you're
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      04-17-2012, 10:16 AM   #824
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Quote:
Originally Posted by Alpineweiss e90 View Post
What's the max drive current of those LEDs? 30mA might need heat sinking. Do they get hot to the touch when on for an extended period?
I left them on for a good 5 min and they get hot.. Not burning hot but it really warm.. Apec said typical ia 60mA...
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      04-17-2012, 10:18 AM   #825
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you should offer those lights as a side business before oss steals you're idea lol
From what i can see.. Oss does not really make there own stuff.. They just use already made stuff and install them.. They are more of an installer them anything.. unless someone mass produce these.. I dont see oss or any other venders doing this..

Last edited by blueaudi18; 04-17-2012 at 01:02 PM.
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      04-17-2012, 12:58 PM   #826
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those lights are epic, so much respect for your endeavours! unreal work keep it up
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      04-17-2012, 01:16 PM   #827
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Quote:
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I left them on for a good 5 min and they get hot.. Not burning hot but it really warm.. Apec said typical ia 60mA...
Ok well they will surely die/fail pre-maturely if you don't heat sink them at 30mA.

The LEDs I used for my angel eyes are run at about 15mA. Max drive current is 80mA. They don't get warm (never hot) at all after an extended amount of time on.

You should think about either adding a strip of aluminum with some pins or fins on the back to dissipate heat. Use thermal adhesive to mount the aluminum to the LEDs. Or lower the drive current.
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      04-17-2012, 02:18 PM   #828
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BMW AG should hire you man
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      04-18-2012, 08:53 AM   #829
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THIS IS IN DIRECT SUNLIGHT

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      04-18-2012, 09:41 AM   #830
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      04-18-2012, 09:46 AM   #831
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Props! Looking forward to seeing them mounted! Awesome work!
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      04-18-2012, 03:26 PM   #832
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would of been sick if you put those rear lights on a ericson or csl trunk !
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      04-18-2012, 10:22 PM   #833
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a little something something.. first picture is how the light looks in person..
the rest of the pictures i had to turn down the brightness just to capture it on camera.. i bought the buckpuck from ledsupply with the dimmable switch. pretty neat for something so tiny.






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      04-18-2012, 10:32 PM   #834
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love this thread
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      04-18-2012, 10:36 PM   #835
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first time seeing this thread. To OP
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      04-18-2012, 10:41 PM   #836
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that's awesome...looks like AngelEyesxTron! looking forward to some shots of them installed
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