Introduction - If you have any usage issues, please Google them yourself
The system consists of single-chip microcomputer system, keyboard, LED display, traffic light presentation system. System, including the sidewalk, turn left, turn right, as well as the basic function of traffic lights. Traffic lights system in addition to basic functions, also has a countdown, the time setting, emergency handling, at times to adjust the light signal in accordance with the specific circumstances of time and manual control functions. Key words: AT89S51, traffic