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porwolf porwolf is offline
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Join Date: May 2011
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The pure logic does not necessarily need a common ground with the locomotion components. But often the rather high current carrying driver circuits are part of the logic circuit board. Those current carrying driving circuits need a common ground with the other high current electro-mechanical locomotion parts. That could be a justification for common ground everywhere.
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Old 09-21-2013, 11:08 PM
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