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Software/Python/grove_sound_sensor.py

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+#!/usr/bin/env python
+#
+# GrovePi Example for using the Grove Sound Sensor and the Grove LED
+#
+# The GrovePi connects the Raspberry Pi and Grove sensors.  You can learn more about GrovePi here:  http://www.dexterindustries.com/GrovePi
+#
+# Modules:
+#	 http://www.seeedstudio.com/wiki/Grove_-_Sound_Sensor
+#	 http://www.seeedstudio.com/wiki/Grove_-_LED_Socket_Kit
+#
+# Have a question about this example?  Ask on the forums here:  http://forum.dexterindustries.com/c/grovepi
+#
+'''
+## License
+
+The MIT License (MIT)
+
+GrovePi for the Raspberry Pi: an open source platform for connecting Grove Sensors to the Raspberry Pi.
+Copyright (C) 2017  Dexter Industries
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+'''
+
+import time
+import grovepi
+
+# Connect the Grove Sound Sensor to analog port A0
+# SIG,NC,VCC,GND
+sound_sensor = 0
+
+# Connect the Grove LED to digital port D5
+# SIG,NC,VCC,GND
+led = 5
+
+grovepi.pinMode(sound_sensor,"INPUT")
+grovepi.pinMode(led,"OUTPUT")
+
+# The threshold to turn the led on 400.00 * 5 / 1024 = 1.95v
+threshold_value = 600
+
+while True:
+    try:
+        # Read the sound level
+        sensor_value = grovepi.analogRead(sound_sensor)
+
+        # If loud, illuminate LED, otherwise dim
+        if sensor_value > threshold_value:
+            grovepi.digitalWrite(led,1)
+        else:
+            grovepi.digitalWrite(led,0)
+
+        print("sensor_value = %d" %sensor_value)
+        time.sleep(.5)
+
+    except IOError:
+        print ("Error")