Is there something special about the A* headers as compared to the D* header?
Not really. The A* are analog capable pins, but they should have just the same drive currents and tolerances as other pins.
But if the pin needs a nudge then it does just sound like an electromechanical issue
@Gordon started
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Not really. The A* are analog capable pins, but they should have just the same drive currents and tolerances as other pins.
But if the pin needs a nudge then it does just sound like an electromechanical issue