Now I would like to return back to home automation and control.  There are basically three components of the system; these are input devices, controllers, and output devices.  Lets start by covering the heart of the system, the controllers. In this section I’ll cover the controllers.  They fall into three categories, device, communications, and central. The central controller will be the Raspberry Pi.  It is Rome and all roads lead to it.  It takes input, produces output, and is what … Continue reading Controller ins and outs