Motomama arduino motor shield issues
There are jumpers next to the screw terminals. I can't find anything in the docs about what they do. But on a whim (and since there were no replies here) I switched the jumpers around and IT WORKS. The test program works. I'm a bit nervous about the fact that I input 12 volts and the motor is only getting about 6 volts (see an earlier question) . . . but this chip is WAY BIGGER and even has a heatsync and I feel like it's probably the culprit. There are docs about the L298N chip in the itead website I need to check out.