Serial Proof of Concept

import serial
ser = serial.Serial('/dev/ttyAMA0', 9600, timeout=1)
ser.write("Z1")
zOne = ser.read(4)
ser.write("Z2")
zTwo = ser.read(4)
print 'Zone 1 ADC = %s' % (zOne)
print 'Zone 2 ADC = %s' % (zTwo)
zOneVolts = (float(zOne) * .00322265625)
zTwoVolts = (float(zTwo) * .00322265625)
print 'Zone 1 Voltage = {}' .format(zOneVolts)
print 'Zone 2 Voltage = {}' .format(zTwoVolts)
zOneC = (zOneVolts - .563) / .01
zTwoC = (zTwoVolts - .563) / .01
print 'Zone 1 is {}C' .format(zOneC)
print 'Zone 2 is {}C' .format(zTwoC)
zOneF = (zOneC * 9 / 5) + 32
zTwoF = (zTwoC * 9 / 5) + 32
print 'Zone 1 is {}F' .format(zOneF)
print 'Zone 2 is {}F' .format(zTwoF)