d1 and d2 are digital out pins
Why? Why not use +V and ground?
but since I'm looking at 15 sense points I'd rather not take up 30 digital pins if I don't have to.
You don't. How are you planning on reading 15 analog values, though? With a Mega?
d1 and d2 are digital out pins
Why? Why not use +V and ground?
but since I'm looking at 15 sense points I'd rather not take up 30 digital pins if I don't have to.
You don't. How are you planning on reading 15 analog values, though? With a Mega?