This thesis shows the greenhouse automation. With automation we want to create and maintain suitable climatic conditions in the greenhouse. At the same time we can monitor and supervise the operation through a graphical interface on the PC.udWe use controller from OMRON company that is able to manage the entire process. When program is running it uses information from sensors and according to their measurement controller power up devices as needed. The program running on the controller is the core of automation.udGraphical user interface represent a simple way of insight into devices operation. This does not require knowledge of the program on the controller or scripts that run in the background of the graphical interface. Sufficient knowledge are basic functions of buttons and settings on the final appearance of the graphical interface. This knowledge can be obtained from the operating instructions that are written in the fifth chapter of this work.
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