Instalation of solar cell panels permanently will not get maximum power point trackerud(MPPT). To get the MPPT, the controlling of solar cell panels are needed in order to follow theuddirection of sun. In this paper, the design of control system of solar panel that capable to controludof solar panel with 2 freedom track based on AT89C51 microcontroller is described. Theudmovement is movement from east to west according to the earth rotation and movement fromudnorth to south in according to the earth revolution to get the MPPT. As a result, the prototype ofuddesign system has capable to control motor drive of solar cell panel, both automatically andudmanually with 2-line track to get MPPT.
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