Hi all pislisters,

Happy Labour day. I have a question on driving an external relay. I would
like to know if it is appropriate to drive an external relay using one
single wire? What i am trying to say here is that for PCB relay, the coil
and the shunting diode are usually placed very near to each other. As for
external relay, one end of the coil is connected to the driver(PCB) while
the other is connected to ground (as for my case, it will the the car body).
Would that be appropriate with the diode so far away from the coil? Hope you
guys/gals understand my question.

Best regards,
Pang

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