Time control of the waterworks - state machine - Arduino

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The article describes a simple programming paradigm in the form of creating final states - automaton. This defines the program part that is executed in the given branch. In this way we can block certain inputs and outputs that you only need to use in a specific branch (for example, one-time start of the device), possible stopping of the waterworks by the program in case of failure of the float input - lack of water / error.