Hey Grant - thanks for putting up with my continued (newbie) questions. I truly appreciate the help.
The eight pins I'm referring to are (If you are holding the board with the four motor outputs to the top and bottom) the four sets of eight on the right side of the board. They are labeled: (on the right and from top to bottom of each set) ground, Encoder Input A, Encoder Input B, 5+v and immediately to the left of those: ground, the two encoder outputs (a & b) and the encoder interrupt pin.
On the left side of the board are another set of motor pins (current, direction, pwm and ground).
I have a couple of questions based on that. 1) Do I wire the encoders to the encoder input pins or output pins? 2) If I'm using the encoders, do I need the direction and pwm pins connected to the Arduino?
I'm beginning to understand that the encoder and motor are two distinct elements. So I'm not sure what the input/output from the encoder does. I understand what the output FROM the encoder will be and how it's used (at least conceptually) but what input would they take?
Again, thanks for the help. I do search as much as I can for answers first, just not getting ones that help.
UPDATE: Since I'm limited to three responses, throwing this in here. I thought Pololu produced a version of the Rover 5 controller board, sorry if I was mistaken. I know both Sparkfun and of course, Dagu, produced versions. I've asked both for wiring diagrams but either I can't communicate my needs (Dagu) or get zero answers.
I had hoped that the connections for the encoders were not board specific, but rather somewhat generic. That was the connections might be something you were familiar with. I actually just found an "instructable" with a wiring diagram using the Dagu board with a Arduino Mega and that should satisfy my needs for now. Hopfully I can get it wired and do some testing.
Thanks, yet again, for your patience.