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This paper presents the contribution of theauthors regarding the implementation of a low powersolar energy renewable source. To optimize theconversion efficiency of the solar irradiance intoelectrical energy an embedded system was designed. Theembedded system can accomplish the maximum powerpoint tracking by evaluation the output voltage andcurrent of the photovoltaic panels and calculate a propercommand for the DC-DC converter of the renewablesource. The key device in this system is a midrange 8 bitmicrocontroller that consists of acquisition, commandand control integrated hardware resources.