Of course you can do it that way also. I developed an app for working with Fibaro system last year, it works with z-wave. Also is possible to buy a z-wave modul

Of course you can do it that way also. I developed an app for working with Fibaro system last year, it works with z-wave. Also is possible to buy a z-wave module for raspberry pi, but then you have to buy z-wave devices. My approach is cheaper, and also help me to learn.