The last Android Wear 2.0 preview introduced a new standalone system for smartwatch apps, no longer tied to their smartphone packages. (slashgear.com)
The PV section contains builds for off - grid, grid - tied, small standalone systems, DIY mounts, PV vehicles, PV tracking,... Plus PV Basics and DIY guides. (builditsolar.com)
You can connect standalone systems and customize them to your needs, but that can get expensive. (payrollmart.com)