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Projects/Whos_at_the_Door/whos_at_the_door.py

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+# Detects motion, triggers Buzzer, LED and Relay, takes picture from RPi Camera, sends as attachment via Gmail
+# http://www.dexterindustries.com/GrovePi/projects-for-the-raspberry-pi/whos-at-the-door/
+
+# GrovePi + Ultrasonic Ranger + Buzzer + Switch + Relay + LED + RPi Camera
+# http://www.seeedstudio.com/wiki/Grove_-_Ultrasonic_Ranger
+# http://www.seeedstudio.com/wiki/Grove_-_Buzzer
+# http://www.seeedstudio.com/wiki/Grove_-_Switch(P)
+# http://www.seeedstudio.com/wiki/Grove_-_Solid_State_Relay
+# http://www.seeedstudio.com/wiki/Grove_-_LED_Socket_Kit
+# http://www.raspberrypi.org/camera
+
+'''
+## 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
+'''
+
+import grovepi
+# Import smtplib for the actual sending function
+import smtplib, string, subprocess, time
+
+# Here are the email package modules we'll need
+from email.mime.image import MIMEImage
+from email.mime.multipart import MIMEMultipart
+from subprocess import call
+
+print("System Working")
+switch = 4
+led_status = 3
+relay = 2
+buzzer = 5
+
+SMTP_USERNAME = ''  # Mail id of the sender
+SMTP_PASSWORD = ''  # Pasword of the sender
+SMTP_RECIPIENT = '' # Mail id of the reciever
+SMTP_SERVER = 'smtp.gmail.com'  # Address of the SMTP server
+SSL_PORT = 465
+
+while True:     # in case of IO error, restart
+    try:
+        grovepi.pinMode(switch,"INPUT")
+        while True:
+            if grovepi.digitalRead(switch) == 1:    # If the system is ON
+                if grovepi.ultrasonicRead() < 100:  # If a person walks through the door
+                    print("Welcome")
+                    grovepi.analogWrite(buzzer,100) # Make a sound on the Buzzer
+                    time.sleep(.5)
+                    grovepi.analogWrite(buzzer,0)       # Turn off the Buzzer
+                    grovepi.digitalWrite(led_status,1)  # Turn on the status LED to indicate that someone has arrived
+                    grovepi.digitalWrite(relay,1)       # turn on the Relay to activate an electrical device
+
+                    # Take a picture from the Raspberry Pi camera
+                    call (["raspistill -o i1.jpg -w 640 -h 480 -t 0"], shell=True)
+                    print("Image Shot")
+                    p = subprocess.Popen(["runlevel"], stdout=subprocess.PIPE)
+                    out, err=p.communicate()    # Connect to the mail server
+                    if out[2] == '0':
+                        print('Halt detected')
+                        exit(0)
+                    if out [2] == '6':
+                        print('Shutdown detected')
+                        exit(0)
+                    print("Connected to mail")
+
+                    # Create the container (outer) email message
+                    TO = SMTP_RECIPIENT
+                    FROM = SMTP_USERNAME
+                    msg = MIMEMultipart()
+                    msg.preamble = 'Rpi Sends image'
+
+                    # Attach the image
+                    fp = open('i1.jpg', 'rb')
+                    img = MIMEImage(fp.read())
+                    fp.close()
+                    msg.attach(img)
+
+                    # Send the email via Gmail
+                    print("Sending the mail")
+                    server = smtplib.SMTP_SSL(SMTP_SERVER, SSL_PORT)
+                    server.login(SMTP_USERNAME, SMTP_PASSWORD)
+                    server.sendmail(FROM, [TO], msg.as_string())
+                    server.quit()
+                    print("Mail sent")
+
+                    grovepi.digitalWrite(led_status,0)  # Turn off the LED
+                    grovepi.digitalWrite(relay,0)       # Turn off the Relay
+    except IOError:
+        print("Error")