我所做的就是在一个51单片机开发板上模拟出一个简易的十字路口的交通灯，包含了时间，红灯，黄灯，绿灯等信息。
What I did was (to) on a 51 MCU development board to simulate a simple traffic lights at an intersection, contains the time, the red light, yellow light, green light and other information.
我所做的就是在一个51单片机开发板上模拟出一个简易的十字路口的交通灯，包含了时间，红灯，黄灯，绿灯等信息。
What I did was (to) on a 51 MCU development board to simulate a simple traffic lights at an intersection, contains the time, the red light, yellow light, green light and other information.
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