Hi,
I am currently building a Battery Charger and am using a DS1821
to sense the temp of the battery pack. I am using the dallas 1
wire interface, but am also powering the DS1821 from another
PIC port pin. Can somebody expalin how I would calculate the distance
over which I can safely power and communicate with this device ?
I think 1 foot would be all I need, but I am not sure how to
calculate the distance.

Thanks,
      Kevin

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