Merge pull request #314 from brentru/io-house-series

IO Home: Security Guide

Author: TheKitty

IO_House_Series/Security/arduino-wiring.fzz

@@ -0,0 +1,166 @@
+"""
+'io_home_security.py'
+=======================================
+Secure and monitor your home with
+Adafruit IO.
+
+Learning System Guide: https://learn.adafruit.com/adafruit-io-home-security
+
+Author(s): Brent Rubell for Adafruit Industries, 2018.
+
+Dependencies:
+    - Adafruit_Blinka
+        (https://github.com/adafruit/Adafruit_Blinka)
+    - Adafruit_CircuitPython_SGP30
+        (https://github.com/adafruit/Adafruit_CircuitPython_SGP30)
+    - Adafruit_CircuitPython_NeoPixel
+        (https://github.com/adafruit/Adafruit_CircuitPython_NeoPixel)
+    - picamera
+        (https://github.com/waveform80/picamera)
+"""
+# Import standard python modules
+import time
+import base64
+# import Adafruit IO REST client
+from Adafruit_IO import Client, RequestError
+
+# import SGP30, NeoPixel and picam libraries
+import neopixel
+import adafruit_sgp30
+import picamera
+
+# import Adafruit Blinka
+from board import SCL, SDA, D18, D22, D24
+from busio import I2C
+import digitalio
+
+# Number of NeoPixels connected to the strip
+NUM_PIXELS_STRIP = 60
+# Number of NeoPixels connected to the NeoPixel Jewel
+NUM_PIXELS_JEWEL = 6
+RED = (255, 0, 0)
+
+# Set to the hour at which to arm the alarm system, 24hr time
+ALARM_HOUR = 16
+
+# Set to the interval between loop execution, in seconds
+LOOP_INTERVAL = 2
+
+# Set to your Adafruit IO key.
+# Remember, your key is a secret,
+# so make sure not to publish it when you publish this code!
+ADAFRUIT_IO_KEY = 'YOUR_IO_KEY'
+
+# Set to your Adafruit IO username.
+# (go to https://accounts.adafruit.com to find your username)
+ADAFRUIT_IO_USERNAME = 'YOUR_IO_USERNAME'
+
+# Create an instance of the REST client
+aio = Client(ADAFRUIT_IO_USERNAME, ADAFRUIT_IO_KEY)
+
+# set up Adafruit IO feeds
+tvoc_feed = aio.feeds('tvoc')
+eco2_feed = aio.feeds('eco2')
+door_feed = aio.feeds('front-door')
+motion_feed = aio.feeds('motion-detector')
+alarm_feed = aio.feeds('home-alarm')
+outdoor_lights_feed = aio.feeds('outdoor-lights')
+indoor_lights_Feed = aio.feeds('indoor-lights')
+picam_feed = aio.feeds('picam')
+
+# set up picamera
+camera = picamera.PiCamera()
+# set the resolution of the pi camera
+# note: you can only send images <100kb to feeds
+camera.resolution = (200, 200)
+
+# set up door sensor
+door_sensor = digitalio.DigitalInOut(D24)
+door_sensor.direction = digitalio.Direction.INPUT
+
+# set up motion sensor
+pir_sensor = digitalio.DigitalInOut(D22)
+pir_sensor.direction = digitalio.Direction.INPUT
+prev_pir_value = pir_sensor.value
+is_pir_activated = False
+
+# set up sgp30
+i2c_bus = I2C(SCL, SDA, frequency=100000)
+sgp30 = adafruit_sgp30.Adafruit_SGP30(i2c_bus)
+
+# set up the neopixel strip
+pixels = neopixel.NeoPixel(D18, NUM_PIXELS_STRIP)
+pixels.fill((0, 0, 0))
+pixels.show()
+
+def alarm_trigger():
+    """Alarm is triggered by the dashboard toggle
+    and a sensor detecting movement.
+    """
+    print('* SYSTEM ALARM!')
+    for j in range(NUM_PIXELS_JEWEL):
+        pixels[j] = RED
+        pixels.show()
+    time.sleep(0.5)
+    # turn pixels off after alarm
+    pixels.fill((0, 0, 0))
+    pixels.show()
+
+print('Adafruit IO Home: Security')
+
+while True:
+    # read SGP30
+    co2eq, tvoc = sgp30.iaq_measure()
+    print("CO2eq = %d ppm \t TVOC = %d ppb" % (co2eq, tvoc))
+    # send SGP30 values to Adafruit IO
+    aio.send(eco2_feed.key, co2eq)
+    aio.send(tvoc_feed.key, tvoc)
+    time.sleep(0.5)
+
+    # read/send door sensor
+    if door_sensor.value:
+        print('Door Open!')
+        # change indicator block to red
+        aio.send(door_feed.key, 3)
+    else:
+        print('Door Closed.')
+        # reset indicator block to green
+        aio.send(door_feed.key, 0)
+
+    # read/send motion sensor
+    if door_sensor.value:
+        if not prev_pir_value:
+            print('Motion detected!')
+            is_pir_activated = True
+            # change indicator block to red
+            aio.send(motion_feed.key, 3)
+    else:
+        if prev_pir_value:
+            print('Motion ended.')
+            is_pir_activated = False
+            # reset indicator block to green
+            aio.send(motion_feed.key, 0)
+
+    camera.capture('picam.jpg')
+    print('snap!')
+    with open("picam.jpg", "rb") as imageFile:
+        image = base64.b64encode(imageFile.read())
+        send_str = image.decode("utf-8")
+        try:
+            aio.send(picam_feed.key, send_str)
+            print('sent to AIO!')
+        except RequestError:
+            print('Sending camera image failed...')
+
+    # Alarm System
+    is_alarm = aio.receive(alarm_feed.key)
+
+    if is_alarm.value == "ON":
+        # sample the current hour
+        cur_time = time.localtime()
+        cur_hour = time.tm_hour
+        if (cur_hour > ALARM_HOUR and is_pir_activated is True):
+            alarm_trigger()
+
+    prev_pir_value = door_sensor.value
+    time.sleep(LOOP_INTERVAL)