43 lines
1.4 KiB
Python
43 lines
1.4 KiB
Python
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print("Starting...")
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import time
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import Adafruit_DHT
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from Adafruit_IO import Client, Feed, RequestError
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ADAFRUIT_IO_KEY = 'YOUR_ADAFRUIT_IO_KEY_HERE'
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ADAFRUIT_IO_USERNAME = 'YOUR_ADAFRUIT_IO_USERNAME_HERE'
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LOOP_DELAY_MINS = 10
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DHT_SENSOR = Adafruit_DHT.AM2302
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DHT_PIN = 4
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aio = Client(ADAFRUIT_IO_USERNAME, ADAFRUIT_IO_KEY)
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try: # if we already have the feeds, assign them.
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temperature_feed = aio.feeds('temperature')
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humidity_feed = aio.feeds('humidity')
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except RequestError: # if we don't, create and assign them.
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temperature_feed = aio.create_feed(Feed(name='temperature'))
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humidity_feed = aio.create_feed(Feed(name='humidity'))
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while True:
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humidity, temperature_c = Adafruit_DHT.read_retry(DHT_SENSOR, DHT_PIN)
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temperature_f = temperature_c * (9 / 5) + 32
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if humidity is not None and temperature_c is not None:
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print("TempC={0:0.1f}*C TempF={1:0.1f}*F Humidity={2:0.1f}%".format(temperature_c, temperature_f, humidity))
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print('sending data to adafruit io...')
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t_out = aio.send(temperature_feed.key, temperature_f)
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h_out = aio.send(humidity_feed.key, humidity)
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if t_out and h_out:
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print('data sent, sleeping for '+str(LOOP_DELAY_MINS)+' mins')
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else:
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print('problem sending data:')
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print(t_out)
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print(h_out)
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else:
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print("Failed to retrieve data from humidity sensor")
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time.sleep(LOOP_DELAY_MINS * 60)
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