DS18B20 1-Wire Temperature Probe

DS18B20 1-Wire Temperature SensorNeeds 4.7K resistor

I have 10 waterproof cabled versions .  I have also blown up one cabled versions although I'm not sure how.

Resources - http://learn.adafruit.com/adafruits-raspberry-pi-lesson-11-ds18b20-temperature-sensing

My code

##################################################################

def read_temp_raw(device_file):
f = open(device_file, 'r')
lines = f.readlines()
f.close()
return lines

def read_temp(device_file):
lines = read_temp_raw(device_file)
while lines[0].strip()[-3:] != 'YES':
time.sleep(0.2)
lines = read_temp_raw(device_file)
equals_pos = lines[1].find('t=')
if equals_pos != -1:
temp_string = lines[1][equals_pos+2:]
temp_c = float(temp_string) / 1000.0
return temp_c

def pdstemprature(TempDevice):
if debug:
print ("Reading temp "+ str(TempDevice))
base_dir = '/sys/bus/w1/devices/'
device_folder = base_dir + TempDevice
device_file = device_folder + '/w1_slave'
if(os.path.exists(device_file)):
if debug:
print ("Reading temp exists "+ str(TempDevice))
Temperature = read_temp(device_file)
else:
Temperature = 0
return Temperature

####################################################################

Probe serial numbers

28-000003e6cf37 - Outside
28-000003ebb63d - bedroom 2
28-000003ebb9fd - bedroom
28-000003ebbbc1 - livingroom
28-00000474a26b - on Pi box outside
28-000004759c3e - inside Pi box
28-000004f9d576 - hallway
28-000004f8af5e - Bottom of window

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