Özet:

Due to the rapid development of technology and the widespread of the internet, and the needs of modern life, the interest in the Internet of Things (IoT) is increasing day by day. IoT is now a concept that we use extensively and that we constantly hear. IoT applications, which we call "smart systems", appear in many areas, especially in the fields of home, agriculture and health. In this study, door control IoT application, which can be perceived as a part of "Smart Home" system, has been developed. The motivation of the project is the fact that someone (child, childminer) who is at the outer door of the house, which is a frequent situation, can be opened safely with IoT technology by informing the home owner in the remote location. The process starts with the request by the cell phone of the person on the door using installed Android application to the homeowner (generally parent) to open the door. This request continues by activating the PHP Web service on Raspberry Pi and sending the camera image to the homeowner via an e-mail, using Python-encoded software. Ultimately, if it is approved by the other Android application on the homeowner's phone, it will end with the opening of the door by giving sufficient voltage to the electric door lock as a result of the activation of the other PHP Web service on the Raspberry Pi. In particular, it is a practically feasible study, developed with low cost and security needs in mind.

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