The thesis provides a detailed description of the development of a system for capturing and displaying data from a car to a mobile application. We address the problem of direct transmission and presentation of this data in a simple and understandable way. Our approach to solving this problem involves the development of an application that enables reading, transmission, and display of values on the user interface. By utilizing Bluetooth Low Energy technology and the React Native framework, we successfully integrated a reading device into the Internet of Things application. The outcome of the thesis is a functioning OBD2 reader and a working mobile application that allows monitoring and displaying key car data in one place, thus contributing to greater transparency and understanding of the vehicle's condition.
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