Previously I was using 6 AA. Now I am using 8 of them.
QuotePreviously I was using 6 AA. Now I am using 8 of them.batteries in series increase voltagebatteries in parallel increase currenthow do you have it set up?
Just upload a sketch that only turn on/off the motor's. It seems like you have not enough power to let te motors spin. How do you feed the motor(shield)? I hope not via the 5v of the arduino because that pin doesn't have enough current.