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Abstract: Photovoltaic or solar energy systems have become one of the most promising fields in the engineering industry, and one of the most available green energy sources able to substitute the traditional and fossil fuel sources in power production. In order to maintain this system working properly, the solar cell monitoring system is needed, however, it is costly and not efficient sometimes. In this paper we designed and built a simple monitoring system using Arduino microcontroller and multiple sensors for data acquisition. The overall system is able to monitor the solar cell parameters such as produced current, voltage, cell temperature, light intensity which are display on an LCD screen. The system was mounted on top of the Engineering Faculty building at Al-Hussein Bin Talal University in the southern part of Jordan, and 180 data points were collected over a period of one month. The obtained results of this study show the effectiveness of the proposed monitoring system in measuring the different aforementioned parameters. Furthermore, based on experimental data a direct relationship between the light intensity and produced power was noticed. Conversely, a reverse relationship between cell temperature and the produced power is observed. The maximum power measured is 30W.

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