I'm using the Stepper #324 with an Adafruit Motor Shield (external 12V wall power) and Arduino Uno R3 (USB power). Using the AFMotor library commands, I'm seeing a lot of vibration in all of the drive modes (Single, Double, Interleave, Microstep), although it does seem significantly reduced using Microstep. But, it's still too much vibration for my application. Do you have any suggestions for further reducing the vibration with this motor?
BTW, I have it wired to M1 and M2 as (left to right) Grey | Green | Skip | Yellow | Red, in case I did that incorrectly.