vijayenthiran subramaniam
Published © GPL3+

Intelligent Door

Home security using Raspberry Pi, AWS IoT and AWS SNS

IntermediateFull instructions provided5,498
Intelligent Door

Things used in this project

Hardware components

Raspberry Pi 2 Model B
Raspberry Pi 2 Model B
Any version of Raspberry Pi should work. Should have proper internet connection. I have used WiFi Dongle for internet connectivity.
×1
Adafruit ADXL345 Accelerometer
Not mandatory to use one from Adafruit.
×1
Adafruit ADXL345
×1
Female/Female Jumper Wires
Female/Female Jumper Wires
×4
Power Bank
×1

Software apps and online services

AWS IoT
Amazon Web Services AWS IoT
AWS SNS
Amazon Web Services AWS SNS

Hand tools and fabrication machines

3D Printer (generic)
3D Printer (generic)
Not Mandatory. I have used to enclose the Raspberry pi

Story

Read more

Schematics

Schematic

Code

intrusionDetection.py

Python
Publises data to AWS IoT when there is a intrusion detected at the door.
from adxl345 import ADXL345
import time
import paho.mqtt.client as mqtt #make sure you have installed mqtt client library for python
import ssl
import json
import thread

#Creating a adxl345 object
adxl345 = ADXL345()

def on_connect(client, userdata, flags, rc):
    print("Connected with result code "+str(rc))


client = mqtt.Client()
client.on_connect = on_connect
client.tls_set(ca_certs='./cert/rootCA.pem', certfile='./cert/503a755ca4-certificate.pem.crt', keyfile='./cert/503a755ca4-private.pem.key', tls_version=ssl.PROTOCOL_SSLv23)
client.tls_insecure_set(True)
client.connect("AAAAAAAAAAAAAA.iot.us-west-2.amazonaws.com", 8883, 60) #Taken from REST API endpoint - Use your own. 


def intrusionDetector(Dummy):
    while (1):    
        #Enable Acccelerometer
        axes = adxl345.getAxes(True)
        #I did few expriment in certain orientation and found that when ever door opens the Z axis value becomes positive.
        if axes['z'] >= 0: 
            print "Intruder Detected" 
            client.publish("home/door", payload="Intruder Detected" , qos=0, retain=False)
        time.sleep(0.5)

thread.start_new_thread(intrusionDetector,("Create intrusion Thread",))
    
client.loop_forever() #MQTT's will never end

Credits

vijayenthiran subramaniam

vijayenthiran subramaniam

4 projects • 10 followers

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