need some help on a blinking RGB string. I think its Speed Kbps

O

oneday

New elf
Joined
Nov 10, 2012
Messages
9
Hello all,


I am having issues with a blinking string not displaying the sequence. I have shot a couple short videos of it. It seems that the first couple pixels work but the rest do not. It is one continuous string no splices. There is a dummy pixel in-between the J1SYS P12R controller and the string.


If I lower the speed it will light up all white but flash. If I turn it up to about 2000 the first couple work and then nothing.


Any Ideas, here are the videos below.


https://vimeo.com/55210234


https://vimeo.com/55210233
 
Yep definetly something dodgy going on there. Are you able to replace the strip with a spare, or at least splice some spare sections to repplace the first part? I've had to replace a few flaky strips too.
 
Blickensderfer said:
It could be a bad chip on the last working section of the strip.
Click to expand...


Great idea, I did not want to pull that strip down but I just did and I hooked it straight into the board using the same slot / univ. and it worked like a charm at 2400 and 3000 kpbs just two that I tried.


I also tested the voltage at the connection to the strip on the house and it was a 11.14 volts


This strip is the only pixels on that slot / univ which is about 30-40 pixels.
 
problem solved: I added a second null pixel and it fired right up. It seems like there needs to be a null pixel every 5 feet or so to make sure everything works right.
 
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