ECG P2 controller

[marsh28]

Next year, I want to control 12 2811 strips via E1.31.  Each strip would go around 12 windows.  Would 1 ECG P2 controller suffice?  with 4 universes per output it would seem so but I'm new at this.

[WilliamS]

Depends on the pixel type are they 10ic's per meter or 30ic's per meter?  If they are 3 leds per chip or 10ics per meter then yes it can.  If they are 1 led per chip or 30ic's per meter you cant run 12 but you can run 9 whole strips in that configuration.  To add to that a P12 will run them all and then some regardless of ic's per meter in this configuration.

Edited March 5, 2013 by WilliamS

[MikeyRo]

Are the strips 50 chips per strip or 150?

Some of the strips are 150 pixels, but each chip controls 3 pixels, so those 3 are always doing the same thing. These are what 8

I call the 50 chip string...

A universe can control 170 pixel chips per universe. If your strip is the 3 pixel per chip, then you can control 3 strips with enough left over for 20 more pixel chips. If the strip is 1 to 1 pixel to chip, so that every pixel on the strip is individually controlled, then you get 1 strip with enough room for 20 more pixels per universe.

[marsh28]

So...I kind of get what you all are saying.  This is the strip I want to get. 

http://www.aliexpress.com/store/product/5m-led-digital-strip-DC12V-input-WS2811IC-256-scale-10pcs-IC-and-30pcs-5050-SMD-RGB/701799_568458133.html

 

Will 1 ECG P2 control 12 strips?

Upon first glance, it looks like these are 50 chip strips (per 5 meters)

Edited March 5, 2013 by marsh28

[MCas4380]

Yes those are 50 chips per strip. so three of them would be a universe. 12 per side of the P2. I have been asking this same question the one warning i have been told is with that many strips on one outlet if one pixel goes out the everything after that will also go out.

Kinda makes sence.

[edvas69]

So...I kind of get what you all are saying.  This is the strip I want to get. 

http://www.aliexpress.com/store/product/5m-led-digital-strip-DC12V-input-WS2811IC-256-scale-10pcs-IC-and-30pcs-5050-SMD-RGB/701799_568458133.html

 

Will 1 ECG P2 control 12 strips?

Upon first glance, it looks like these are 50 chip strips (per 5 meters)

 

These are 150 channels per strip. But the issue you have is that with using the P2 you would then need to deal with power injection for each window and if you get a dead pixel early in the line then the rest may go out as well. The P12R could be setup in a way that allows you to setup each strip per output. This may be an easier path for you because your PM to me was asking for a method that required little soldering.

The only real issue with using the P12R will depend on the location of the controller and the distance away the first pixel is from the controller. You may need to add a dummy pixel to regenerate the data signal.

[marsh28]

Didn't realize one dead pixel could kill all the rest down the line (although that does make sense).  Looks like the P12 R will be the way to go (and probably the easiest to set up).  Thanks for the help.