If you want to get really automated you can have the computer open and close valves, start and stop pumps, start and stop burners... Then all you would have to do to brew is stare at the PLC. If you install SCADA you can brew from anywhere with broadband connectivity. You could be in Ohio while brewing in Idaho.
I measure my heartbeats against the National Bureau of Standards clock station, WWV to determine how many bpm my heart is beating, and then I just count my heartbeats and do the math. I call it the modified Ken Kesey LSD method.