I have removed the pigtails and soldered the data wires in. No problems now. I will look for better pigtails / connectors in the new year. I will use these ones for dc switching.
It looks like i will need to add a null pixel as the run was slightly longer outside.
No problems with voltage drop.
Has anyone else had issues driving strings of ws2812 LEDs from raspberry pi GPIO ports via a CD5050 chip for level conversion to +5v?
Setup
Power injection is done at the start of each string. Wire is 4 core alarm for data, 6 core (3 cores +ve, 3 cores -ve) for power. 3 strings of 150 LEDs are...