Build Instructions

Collapse

• 1

  Run a Code

  int red = 10;
  int yellow = 9;
  int green = 8;
  
  void setup(){
      pinMode(red, OUTPUT);
      pinMode(yellow, OUTPUT);
      pinMode(green, OUTPUT);
  }
  
  void loop(){
      changeLights();
      delay(15000);
  }
  
  void changeLights(){
      // green off, yellow on for 3 seconds
      digitalWrite(green, LOW);
      digitalWrite(yellow, HIGH);
      delay(3000);
  
      // turn off yellow, then turn red on for 5 seconds
      digitalWrite(yellow, LOW);
      digitalWrite(red, HIGH);
      delay(5000);
  
      // red and yellow on for 2 seconds (red is already on though)
      digitalWrite(yellow, HIGH);
      delay(2000);
  
      // turn off red and yellow, then turn on green
      digitalWrite(yellow, LOW);
      digitalWrite(red, LOW);
      digitalWrite(green, HIGH);
      delay(3000);
  }

View all instructions