The pneumatic fittings arrived but they were the wrong size, so I'll have to fabricate some. In the mean time I thought I should wire up the motors and get some idea of the way the mecanum wheels work.
I hooked up the featherwing motorcontroller to the 4 motors and to an 11.8v Turnigy battery pack.
I find it easier to test stuff like this with Arduino that the pi, so I connected an Uno and ran the DCMotorTest example program. Everything worked ok so I tweaked the code to run all four motors and then let it scuttle about on the carpet.
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