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Blog The Genie's Day Brightens
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  • Author Author: RParkerE
  • Date Created: 22 May 2015 9:12 PM Date Created
  • Views 2287 views
  • Likes 4 likes
  • Comments 14 comments
  • enchanted_objects
  • mini_automator
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The Genie's Day Brightens

RParkerE
RParkerE
22 May 2015

The week was full of rain and clouds for the poor genie all week. Unable to leave his house and make any progress on the things that needed to get done, due to the unfortunate consequences of doing your electrical work in the rain, but today the sun peeked out from behind the clouds and shone with the brightness of 2000-2500 lumen. It was magnificent! However, shortly after its arrival, the clouds took over again . But while the sun was out the genie made headway on his electrical wiring of his sweet new crib. He set the power supply to roughly thirty volts and tested out his lights to see if they worked.

                                                                       imageimage

And it worked! How excited the genie was! This was a huge step in the right direction with the build of his new pad. Now all that was needed to be done was wire it all up to his sweet new dimmer and you could call him Xzibit Jr.

                                                                                                      image

WAIT! There is no light!!!! What in the world is going on? No explosions, check. No fire or smoke, check. Then what? The genie checked the voltage coming out and the light intensity and found:

                                                                  imageimage

But that doesn’t make sense! 30 Volts in and only a 100th of that out? How could this be? The genie has yet to figure this out, but he will be working diligently over the weekend to figure out a solution!

                                                                                   

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Top Comments

  • mcb1
    mcb1 over 10 years ago in reply to Jan Cumps +3
    Jan Cumps You wouldn't be the first or last to miss something in a post ... You raised a very good pint about the meter though. I wonder if someone who has a working LED can do some checking using a simple…
  • RParkerE
    RParkerE over 10 years ago in reply to mcb1 +3
    I found the culprit and it was much simpler than assumed. I had a poor connection, after I soldered the pins it worked perfectly fine. I am working on my next update now
  • Jan Cumps
    Jan Cumps over 10 years ago +2
    The week was full of rain and clouds for the poor genie all week. Unable to leave his house and make any progress on the things that needed to get done, We seem to have the opposite way of working . I…
  • RParkerE
    RParkerE over 10 years ago in reply to ipv1

    I appreciate the feedback, but I'm not quite convinced this is the issue. I am using the code Infineon provides for the board, but I will definitely check out what you have to offer and see if it works. Thank you!

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  • mcb1
    mcb1 over 10 years ago in reply to Workshopshed

    The power LEDs normally have a voltage drop of 6v

    The large 30w devices I have are 32v (if you get the right spec) and since there are 10 individual elements you can see, I imagine they are 3.2v across each element.

    Different colours do tend to have different forward drop voltages, and 3.2v is within the range I expect for a high power LED.

     

    Do these '6v' device have two elements to them.?

     

    Personally I'd be stringing some cheap LEDs together even if you need to do two or three strings.

    The other option is a resistor, and it is amazing what water cooling can do for a high power load.

     

    Mark

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  • ipv1
    ipv1 over 10 years ago

    I think there might be something wrong in the code. The link to my library is https://github.com/inderpreet/infineonrgb_shield and it can be downloaded as a zip and pasted to your project's 'libraries' folder. Restart Arduino and you should see an additional example called lamp test. If you have an RGB LED Strip, it should cycle through possible colors. In case you have a single LED, then it will vary the brightness the LED.

    Hope this help. image

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  • Workshopshed
    Workshopshed over 10 years ago

    I just checked the current with my multimeter. The libraries are all very similar, here's a comparison http://www.element14.com/community/docs/DOC-73603/l/compare-the-infineon-rgb-libraries-that-spawned-from-the-internet-of-holiday-lights

     

    I wonder if the circuit is going into shut down due to too much current? The power LEDs normally have a voltage drop of 6v, so perhaps a couple of power diodes in series with the lamp?

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  • mcb1
    mcb1 over 10 years ago in reply to Jan Cumps

    Jan Cumps

     

    You wouldn't be the first or last to miss something in a post ... image

     

    You raised a very good pint about the meter though.

    I wonder if someone who has a working LED can do some checking using a simple meter.

    I know electronic transformers for Dichroic lamps are not able to be measured easily.

     

     

    I think ipv1    Inderpreet did a different version of the library, although it might be based on Peter's work.

    [Dynamic Living-Room Lights] The Infineon RGB LED Shield -Library!

     

    Shabaz also did a writeup here RGB LED Shield from Infineon - Getting Started Guide

     

    Mark

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