本文详细介绍了以MG996舵机控制为核心，以STC12C5A08S2做控制芯片，根据M-87获取的相关数据通过按拟合的太阳偏转公式寻找太阳的大致方位，再根据感光模块的相应光强变化进行精确调整，将感光追踪模式与日历追踪模式相结合，以实现运行过程中的自矫正，同时能够根据外界环境判断目前运行状态，做出相应操作最终完成一套能在无人值守环境下自动运行的太阳光源自动追踪系统-This paper introduces the MG996 servo control as the core, STC12C5A08S2 control chip, according to data obtained through M-87 by fitting the formula to find the general direction of the sun deflecting the sun, according to changes in light intensity corresponding module of the photoreceptor precise adjustment of the photosensitive tracking mode and calendar tracking mode combined to achieve self-correction during operation, while the external environment can be judged based on the current operating status and make the appropriate action can be set to run automatically finalized in unattended environments sun light automatic tracking system