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  1. geoffd123

    How can I multiplex a digital signal on a DC line?

    How can I do the following, or does anyone know of a similar circuit? I have a remote Solar Panel with a Tracking controller 300 feet away. It has a 24 volt power line running to the house. I can talk to the Tracker with RS232, but it is akward to run a second cable. I want to multiplex the...

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