07: digital out

Author: brentru

examples/aio_basics/adafruitio_07_digital_out.py

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+"""
+'adafruitio_07_digital_out.py'
+===================================
+Example of turning on and off a LED
+from the Adafruit IO Python Client
+
+Author(s): Brent Rubell, Todd Treece
+"""
+# import python system libraries
+import time
+
+# import Adafruit Blinka
+from digitalio import DigitalInOut, Direction
+import digitalio
+import board
+
+# import Adafruit IO REST client.
+from Adafruit_IO import Client, Feed, RequestError
+
+# Set to your Adafruit IO key.
+ADAFRUIT_IO_USERNAME = 'YOUR_AIO_USERNAME'
+ADAFRUIT_IO_KEY = 'YOUR_AIO_KEY'
+
+# Create an instance of the REST client.
+aio = Client(ADAFRUIT_IO_USERNAME, ADAFRUIT_IO_KEY)
+
+try: # if we have a 'digital' feed
+    digital = aio.feeds('digital')
+except RequestError: # create a digital feed
+    feed = Feed(name="digital")
+    digital = aio.create_feed(feed)
+
+# led set up
+led = digitalio.DigitalInOut(board.D5)
+led.direction = Direction.OUTPUT
+
+while True:
+    data = aio.receive(digital.key)
+    if int(data.value) == 1:
+        print('received <- ON\n')
+    elif int(data.value) == 0:
+        print('received <- OFF\n')
+
+    # set the LED to the feed value
+    led.value = int(data.value)
+    print(led.value)
+    # timeout so we dont flood adafruitio with requests
+    time.sleep(0.5)