7\8\9 series product set up

How do I connect an AvalonMiner 741, AvalonMiner 721 and AvalonMiner Controller (including Raspberry Pi 1, 2 and 3)? (technical setup) This guide is designed for users of the AvalonMiner 741, AvalonMiner 721 and AvalonMiner Controller including Raspberry Pi 1, 2, and...