For S & G 's, maybe throw a couple of thicknesses of aluminum foil between the board and the motors (taped up or coated somehow of course so it doesn't short out) and ground the foil...see what happens... Might help with the EMI if there is any.
And if it doesn't work...at least it'll keep little green aliens from invading your Treadbot with their evil mind control devices!![]()





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