主控mcu为stc12c4052ad,通过判断太阳能板的电压值来通过74h595和uln2803驱动两个4相步进电机,从而使太阳能板正确的对准阳光最强的地方,数据从max7219驱动的数码管显示.-Master mcu to stc12c4052ad, through solar panels to determine the voltage value through 74h595 and uln2803 drive two 4-phase stepper motor, so that the correct alignment of solar panels where the sun most of the data from max7219-driven digital display.