交通灯课程设计:本设计是基于数字电路芯片完成的，内有Multisim仿真电路（已验证通过），具体设计说明书，基本思路采用74LS160十进制加法计数器来产生四种交通灯状态，计数器是由多功能计数器555产生的1Hz的秒脉冲驱动，希望能对你有所帮助。(Traffic light course design: This design is based on the digital circuit chip, with Multisim Simulation circuit (verified), the specific design specification, the basic idea is to use 74ls160 decimal addition counter to generate four traffic light States, the counter is driven by the 1 Hz second pulse generated by the multi-function counter 555, hoping to help you.)