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黑龍江工程學(xué)院本科生畢業(yè)設(shè)計(jì)
ABSTRACT
Traffic in People's Daily life has important position, as people of social activities have become increasingly frequent, this is reflected the incisively and vividly. The emergence of the traffic lights, traffic is effectively controlled, for facilitating traffic flow, improve road capacity, reduce traffic accidents have obvious effect. The system USES AT89C51 single chip for center device to designing traffic light controller, system practical, simple operation and expandability. This design is simulated by single chip microcomputer intersection traffic lights to the various states display, and the countdown time.
Software is used on Keil programming, mainly to write the main program, LED digital tube show program, interruption program delay procedures, etc. After the commissioning, realize the intersection of traffic simulation.
Key words: Traffic lights; AT89C51 Microcontroller; AT89C51 single-chip microcomputer; Multi-function control
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