Trying to get two Adafruit LED strips for ADALIGHT working. So Close!

by netw1z on Fri Mar 15, 2013 5:56 pm

On the holiday someone purchased me a adalight kit that came with the light strip and adapter and terminal plug. Awesome! Then i ordered a second light strip for the TV set since it is 47". I set it up, but I can't get both strips on. I guess it's a power issue (im trying a power plug thats 5V 2.5A (vs the original 2000A) but it's a no go. Both strips work individually - but I assumed at 2.5A and a lower brighteness they would all light up. No go and then I checked at the connector:
Image

Uh oH! the strips have different wire orders!

Here is both of them connected, one lights, the other doesnt.
Image

DId i get two different wire orders with separate adalight kit and separate strip? Am I up the creek without a paddle?
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Re: Trying to get two Adafruit LED strips for ADALIGHT working. So Close!

by pburgess on Fri Mar 15, 2013 8:30 pm

Howdy,

Have you changed the Adalight sketch to handle 50 LEDs? It only processes data for 25 by default; that might be what you're seeing here.
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Re: Trying to get two Adafruit LED strips for ADALIGHT working. So Close!

by netw1z on Sat Mar 16, 2013 8:02 am

Hi!

I did change the code as per what was suggested. I've made to changes to
Code: Select all
static final short minBrightness = 20;

and to:
Code: Select all
static final int displays[][] = new int[][] {
  {0,17,10} // Screen 0, 9 LEDs across, 6 LEDs down
};

and finally to:
Code: Select all
static final int leds[][] = new int[][] {
to lay out 50 LED's. The code processes:
Image

Unfortunately the other strand won't cut on with them connected. Maybe the 2.5A isnt enough? Just confused why the wiring on the two light strips is different - would I have to cut them to match the color wires for them to work? The only color that lines up is the red line, the rest are reversed
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Re: Trying to get two Adafruit LED strips for ADALIGHT working. So Close!

by pburgess on Sun Mar 17, 2013 2:23 am

Oh, blargh...I think the factory may have changed the wiring on these. Let me check my stash tomorrow a.m. But yeah, it looks like you have strands from two different batches.

If that's the case, you can probably get them talking if you're handy with a jeweler's screwdriver (basically involves getting the wires out of the plug by pushing in the 'barb' on the side and re-inserting them in the new order). Or if not, we'll arrange for a replacement.
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Re: Trying to get two Adafruit LED strips for ADALIGHT working. So Close!

by pburgess on Sun Mar 17, 2013 12:55 pm

Oy, I'm being daft. Yes, if the strands work individually (assuming you're connecting the same color wires to the same Arduino pins in each case, not necessarily the same order of wires), then this could be fixed by rearranging the pins in one of the plugs. I can get some photos of the process if that helps explain. Or if you'd prefer to exchange for a matched pair of strands, that can be done as well, just let me know your preference.
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Re: Trying to get two Adafruit LED strips for ADALIGHT working. So Close!

by netw1z on Tue Mar 19, 2013 7:32 am

hiya!

I took a look at it, I don't have a jewelers tool and that might be beyond me at the moment due to timetable at work this month - so if I could swap them out - that would be to the moon mega-awesome- the strand works it just has a different wired different than the other set I have.
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Re: Trying to get two Adafruit LED strips for ADALIGHT working. So Close!

by pburgess on Tue Mar 19, 2013 11:13 am

No worries then -- please email support@adafruit.com and include your order number and a link to this post, and we'll have a replacement strand sent out.

Here's the thing: both 'new' and 'old' style strands are mixed in inventory at this point, and it's a coin toss as to which type you'll get. That's okay though, it will match one of your current two strips, and you'll have a matched compatible pair at that point, and we can sort out the odd one later.
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Re: Trying to get two Adafruit LED strips for ADALIGHT working. So Close!

by daz25 on Fri Mar 22, 2013 6:14 am

Thanks for that reply, I've got a similar problem.
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Re: Trying to get two Adafruit LED strips for ADALIGHT working. So Close!

by slider2828 on Sat May 11, 2013 4:17 pm

It looks like I have an actual DOA strand of LED Lights..... Can you help?
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Re: Trying to get two Adafruit LED strips for ADALIGHT working. So Close!

by adafruit_support_rick on Sat May 11, 2013 7:28 pm

Almost didn't see this. You really should have started a new topic.

What kind of strand do you have?
What makes you think it doesn't work? How are you trying to drive it?
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