I have a 12v motor that I need to control the speed on. I found the motor shield v1.0 at Radio Shack and thought I’d give it a try since I have an arduino already. I took a look at the basic demo sketch and I may need a bit of help. First off, I’m curious how many options you have for speed control via PWM and how do you control that speed? Once programmed, can the speed be changed without a computer? I could really use some help with this sketch.
One last question, I have another motor that is 3.3v, can that be controlled as well? They wouldn’t both be connected at the same time.