When the links to SS pixels were first posted I got in a sampling of 1804 pixel modules and strips, but did not get one of the basic controllers. I've just finished building an alternative pixel controller, and fired up and tested the rectangular modules fine.
The first flex strip I plugged in seemed to have some problems, some flickering in the first pixels, then all the other pixels would turn on even with no data being sent
I tried the second strip I tried seemed to work fine, other than a slight flicker when full on. But in handling it I noticed that the wires on the output side were warm and only then noticed that they were tinned and were shorting - DUR DUR, I hadn't even looked at this because at 120 pixels, there is no way one would splice onto the end. Well un-crossing those and the slight flicker went away completely and the strip (#2) continued to work great.
No looking back at strip #1 and the output wires were crossed much worse. I cleared that up and tested the strip again - but no dice, it still was on even if I disconnected the data cable.
So did I fry the chips? Or do I have a dud strip?
-P