detect if the output is tied through resistor to ground or to supply,
and if to ground then the output is to be used.

input pin tied to ground, supply, or specific output pin to select run
time per solenoid, up to seven options,

	one minute,
	five minutes,
	ten minutes, 
	fifteen minutes, 
	thirty minutes, 
	one hour,
	two hours.

given between two and five solenoids, rotate between them, running
them for n minutes at a time.

$Id: functional.txt,v 1.1 2001/10/16 10:43:10 james Exp james $