As shown in the figure, the control machine is used to control the traffic lights of the crossroads, and the entire circuit uses seven integrated circuits. The program-type timing circuit automatically controls the lighting of the red, yellow and green signals in the north and south directions in six programs. Trailer Led Display,Led Screen Trailer,Mobile Led Screen Trailer,Led Display Trailer ShenZhen Megagem Tech Co.,Ltd , https://www.megleddisplay.com
