Hi, this may be in the wrong section, sorry if it is.
I am interested in using a Arduino Uno to power some led's in a simple circuit and two prebuilt pcbs and led's all I want to ask is, would it be possible?
There would 20 LEDs (doesn't matter what type would be used in the dark) and one of these:
I would like to use a bluetooth thing with this to turn it on and off with a android phone.
Also what battery would this require?