picture/block diagram will help.
I don't think your problem is in capacitors, probably you need seperate 5V for your neopixel rings, can you measure how much current they are taking when connected to 5 V ?
picture/block diagram will help.
I don't think your problem is in capacitors, probably you need seperate 5V for your neopixel rings, can you measure how much current they are taking when connected to 5 V ?