Note that a pot is also a voltage divider... At the mid-position you should get 5V out. (That's assuming a linear, which most pots are... Volume controls are approxmately logarithmic/exponential.)
Note that a pot is also a voltage divider... At the mid-position you should get 5V out. (That's assuming a linear, which most pots are... Volume controls are approxmately logarithmic/exponential.)