Forgive the ignorance but if I'm reading that correctly, rather than powering the LED's through the Uno, I can simply power them separately (via battery), just using the Uno to drive the data pin?
You also have to connect all the grounds.
Forgive the ignorance but if I'm reading that correctly, rather than powering the LED's through the Uno, I can simply power them separately (via battery), just using the Uno to drive the data pin?
You also have to connect all the grounds.