A novel solar tracking and collecting system is designed with MSP430 ultra-low power 16 bit MCU.The horizontal and vertical locations of the system′s mechanical device are controlled by two stepper motors.Firstly,the silicon solar panel is coarsely adjusted to a predetermined location according to the clock time.Secondly,the silicon solar panel is accurately adjusted to the location where the light intensity is the strongest according to the light intensity series.Therefore,the processing speed and tracking precision are improved and the system is more reliable.Since AD12 analog/digital convertor of MSP430 is used,the electric quantity of rechargeable batteries can be real-timely monitored.In addition,the information of light intensity,clock time,temperature can be transmitted to the upper machine by using the radio frequency transmission module.Then remote real-time monitoring is realized.The design requirements are achieved and the system is able to operate stably and reliably by experiment.
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