Introduction - If you have any usage issues, please Google them yourself
Traffic light controller in A, B direction of each red, yellow, and green light, the control sequence of the design cycle according to the table, the table 1 that light, 0 is lights out. Main road traffic light controller in accordance with digital display 50S, branch roads digital display 30S, the main road into the red, branch roads into the green light to continue the countdown branch roads countdown after the end of the line five seconds after the countdown, traffic lights becomes yellow branch roads after the end of the countdown to the initial state.