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This paper describes a computerized system that acquires the values of temperature and air humidity, of a laboratorial greenhouse, processes these values and sends orders for actuator to obtain the desired ambient conditions, allowing the automatic regulation of the physical variables through PID (Proportional, Integral and Derivative) control. The developed prototype serves as didactic and research tool for students of High education schools, in the scope of the practical lessons of disciplines of Control. In the following sections of this article is described in a global way the components and functionalities of the developed application.
