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Home  >  Volume 30 (2015)

Design and Construction of a Temperature and Pressure Data Acquisition System by Okosun O., Osa E, Okokhere O.V and Omashor, pp 343 – 348
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It is sometimes necessary for physical parameters such as temperature and pressure to be monitored especially in systems where performance relies on the values of these parameters. Hence it is necessary to design systems that can monitor these physical parameters. In this work, a temperature and pressure monitor is designed. The system takes in temperature and pressure readings from the temperature sensor (LM35) and the pressure sensor (MPX4115A) respectively. The temperature and pressure readings are processed by a microcontroller (PIC16F877A) and displayed on an LCD. The readings are also sent through RS232 serial communication protocol to a graphical user interface (GUI) on a computer which displays the temperature and pressure readings in graphical form. The system was designed, tested and found to work properly.