/*218540787 KF KHANYA*/

/*Use pin 4-11 to connect a two-way traffic

Output pin setp
Pin 4 = Red
Pin 5 = Amber
Pin 6 = Green
Pin 7 = Arrow

Pin 8 = Red
Pin 9 = Amber
Pim 19 = Green
Pin 11 = Arrow
*/
int delay1 = 3000;
int delay2 = 1000;

void setup() {
  // Initializing port B nd D as output port
  DDRD = B11111100; // setting pins 2 to 7 as output
  DDRB = B11111111; // setting pins 8 to as output

}

void loop() {
digitalWrite(4, HIGH); //turning the red LED on
digitalWrite(10, HIGH); //turning the green LED on
delay(delay1); //delay for 3 seconds
digitalWrite(10, LOW); //turn the green LED on
digitalWrite(9, HIGH); // keep the red LED on
delay(delay2); //delay for 1 second
digitalWrite(9, LOW); // turning the amber LED on
digitalWrite(4, LOW);
digitalWrite(8, HIGH); // turning amber on
digitalWrite(6, HIGH); //
delay(delay1);
digitalWrite(6, LOW); //
digitalWrite(5, HIGH); //keep red LED on
delay(delay2); //delay for 1 second
digitalWrite(5, LOW); //turn the amber LED ON
digitalWrite(8, LOW); //turning the green LED off
digitalWrite(4, HIGH);
digitalWrite(10, HIGH);
delay(delay1); //delay for 3 seconds

}