>but the problem is the same as it was 30 years ago when the idea of home automation arose: manufacturers want captive markets and can't agree on a single stand

>but the problem is the same as it was 30 years ago when the idea of home automation arose: manufacturers want captive markets and can't agree on a single standard. I think the "solution" to this is some sort of open hardware system, where instead of someone manufacturing and selling for a profit, the design includes a standard set of parts you order, and then there's a very simple assembly, Ikea-style.