23 lines
515 B
Python
23 lines
515 B
Python
#!/usr/bin/python
|
|
import sys
|
|
import Adafruit_DHT
|
|
|
|
# Parse command line parameters.
|
|
sensor_args = {'11': Adafruit_DHT.DHT11,
|
|
'22': Adafruit_DHT.DHT22,
|
|
'2302': Adafruit_DHT.AM2302}
|
|
|
|
if len(sys.argv) == 3 and sys.argv[1] in sensor_args:
|
|
sensor = sensor_args[sys.argv[1]]
|
|
pin = sys.argv[2]
|
|
else:
|
|
sys.exit(1)
|
|
|
|
humidity, temperature = Adafruit_DHT.read_retry(sensor, pin)
|
|
|
|
if humidity is not None:
|
|
print '{0:0.1f}'.format(humidity)
|
|
else:
|
|
print 'Failed'
|
|
sys.exit(1)
|