Arduino traffic light temperature control system design and implementation of
1) the green light normally on 6 seconds, a green light flashing for 3 seconds, yellow light normally on for 3 seconds, the red light normally on 5 seconds, the red light flashing for 3 seconds, return to the green light normally on state;
2) for using digital tube display time countdown.
3) if there is a button press, said there are emergency vehicles through (fire engines, etc.), bright red light, buzzer sounded, if another button press is back to normal,