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Use this in reference to hardware devices which are used to connect networked devices together. Switches are distinct from hubs because they direct traffic only to the intended port instead of just replicating all traffic on all ports. They are used to reduce network contention.

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Adding to the answer above, how to do this really depends on the load you want to switch. Here's a post about how much current you can draw from the GPIO see here A few cases: 1) You have only one …
answered Jan 16 '16 by kxtronic