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LED发光强度由驱动电流决定,驱动电流稳定与否直接影响LED的发光强度,本文给出了一种基于单片机数字控制的驱动电路的设计,经试验证明,该电路性能可靠。
LED luminous intensity is determined by the driving current, the driving current is stable or not, which directly affects the luminous intensity of the LED. This paper presents a design of the driving circuit based on digital control of single chip microcomputer.