To people, the sense of security is becoming more important each day, which has led to development of security systems. Initially, security systems were inaccessible to the majority of the population, but with the development of technology and more affordable components, this began to change. I have dealt with the problem in terms of affordability of the security system, which contains all the basic functions to protect your home from burglaries. The goal of my diploma was therefore the production of a home security system based on Arduino microcontroller and sensors intended for the microcontroller. For this purpose I used and IR flame sensor, IR motion sensors, an I2C LCD screen, passive buzzers, humidity and temperature sensor and a tilt sensor. Because the support for use and development of Arduino microcontroller software is extensive, it has enabled me to use a number of existing libraries for programming of the sensors. When the program code for sensors was finished, they had to be tested. When the prototype was functional and working as it is supposed to, the prototype has been installed in a model house, which serves for demonstrating the functioning security system. But this also serves for easier use and testing of the system itself.
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