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Fig. 1. System Architecture. In this section we discuss architecture of the home security system approach as shown in figure 1. In the architecture of home security, a PIR sensor is used to detect the presence of any intruder person and it also work in darkness. A Pi Camera is used to capture the image of intruder when the presence it detected [3,4,5]. It works into two mode. In the first mode, whenever any person motion is detected and that person presses doorbell button, then system will capture an image and save it into database on 16GB Micro SD-card. Raspberry Pi processes the image to find out the intruders using YOLO algorithm with help of Python and OpenCV ,then it is decided that the intruder is familiar or unfamiliar with the help of stored database. If the person is not familiar then system will alert through e-mail notification to the user and registered members by sending captured image, video and audio clip of that person as attachment. If the person is familiar then system will capture an image of that person and stored in the system.

Figure 1 System Architecture. In this section we discuss architecture of the home security system approach as shown in figure 1. In the architecture of home security, a PIR sensor is used to detect the presence of any intruder person and it also work in darkness. A Pi Camera is used to capture the image of intruder when the presence it detected [3,4,5]. It works into two mode. In the first mode, whenever any person motion is detected and that person presses doorbell button, then system will capture an image and save it into database on 16GB Micro SD-card. Raspberry Pi processes the image to find out the intruders using YOLO algorithm with help of Python and OpenCV ,then it is decided that the intruder is familiar or unfamiliar with the help of stored database. If the person is not familiar then system will alert through e-mail notification to the user and registered members by sending captured image, video and audio clip of that person as attachment. If the person is familiar then system will capture an image of that person and stored in the system.

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Fig. 2. Block Diagram of IoT based Home Security.
Fig. 2. Block Diagram of IoT based Home Security.
Fig. 3. Raspberry Pi-3 Model B+ Module Raspberry Pi 3 Model B+ has a faster 64-bit 1.4GHz quad core processor, 1GB of RAM, faster dual-band 802.11 b/g/n/ac wireless LAN, Bluetooth 4.2, and significantly faster 300Mbit/s Ethernet. Raspberry PI-3 module is the main computational device. It performs signal fetching through sensors and processing the signal, and sending email after processing. It fetches the signal from PIR sensor, Pi-camera and Microphone and PIR sensors and send capture images to Home owner/ registered members via email services. USB ports and GPIO pins are required as connectors for connecting the sensors and devices [1,2,3,4,]. Figure 3 shows various component present on the Raspberry Pi-3 module.
Fig. 3. Raspberry Pi-3 Model B+ Module Raspberry Pi 3 Model B+ has a faster 64-bit 1.4GHz quad core processor, 1GB of RAM, faster dual-band 802.11 b/g/n/ac wireless LAN, Bluetooth 4.2, and significantly faster 300Mbit/s Ethernet. Raspberry PI-3 module is the main computational device. It performs signal fetching through sensors and processing the signal, and sending email after processing. It fetches the signal from PIR sensor, Pi-camera and Microphone and PIR sensors and send capture images to Home owner/ registered members via email services. USB ports and GPIO pins are required as connectors for connecting the sensors and devices [1,2,3,4,]. Figure 3 shows various component present on the Raspberry Pi-3 module.
Pi-camera is used to capture the images and videos of any intruder in-front of the home also record it into SD-card. Figure 3 shows Raspberry Pi-Camera module
Pi-camera is used to capture the images and videos of any intruder in-front of the home also record it into SD-card. Figure 3 shows Raspberry Pi-Camera module
PIR Sensor (Passive Infrared Sensor): PIR sensor is used as a part of movement detectors by measuring infrared lights which is transmitting from the object over sensor range. It also work in darkness [6,7,8]. Figure 3 shows PIR sensor module.
PIR Sensor (Passive Infrared Sensor): PIR sensor is used as a part of movement detectors by measuring infrared lights which is transmitting from the object over sensor range. It also work in darkness [6,7,8]. Figure 3 shows PIR sensor module.
Fig. 6. (a). Prototype of home security System The prototype of home security systems is tested as shown in figure 6. (a).
Fig. 6. (a). Prototype of home security System The prototype of home security systems is tested as shown in figure 6. (a).
The final home security systems is tested as shown in figure 6. Rr Fig 6.(d). Screenshot of E-mail alert on Internet browser The IoT based home security system has been designed and developed with RaspberryPi-3, Pi-camera and PIR sensor. The user can get alerts anytime and anywhere through e-mail on smartphones or Laptop. Whenever any unknown or suspicious movement is detected, its gives loud alarm. Hence, the designed system successfully prevent access to any unknown person entering the home.
The final home security systems is tested as shown in figure 6. Rr Fig 6.(d). Screenshot of E-mail alert on Internet browser The IoT based home security system has been designed and developed with RaspberryPi-3, Pi-camera and PIR sensor. The user can get alerts anytime and anywhere through e-mail on smartphones or Laptop. Whenever any unknown or suspicious movement is detected, its gives loud alarm. Hence, the designed system successfully prevent access to any unknown person entering the home.
Fig.6. b. Final Home Security System The final home security systems is tested as shown in figure 6. (b).
Fig.6. b. Final Home Security System The final home security systems is tested as shown in figure 6. (b).
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