Yes, the traffic light was red then.

是的，那时候信号灯是红灯。

youdao

Thing is, while the cars to our left were reacting to a green arrow, allowing them to turn left, the light governing forward-moving traffic was still red. Very red.

等啊等，我左手边的车子都发动了，出于本能，我也跟着踩了油门，可问题是，我左手边的车是看到了左转信号灯绿了才发动的，而我的直行信号灯此刻依然是红的，而且非常红！

youdao

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。

youdao