Traffic Light Code

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 void setup() {

 pinMode(13,OUTPUT);

 pinMode(12,OUTPUT);

 pinMode(11,OUTPUT);

}


void loop() {

 digitalWrite(13,HIGH);

 delay(4000);

 digitalWrite(13,HIGH);

 delay(500);

 digitalWrite(13,LOW);

 delay(500);

 digitalWrite(13,HIGH);

 delay(500);

 digitalWrite(13,LOW);

 delay(500);

 digitalWrite(13,HIGH);

 delay(500);

 digitalWrite(13,LOW);

 delay(500);

  

 digitalWrite(11,HIGH);

 delay(4000);

 digitalWrite(11,HIGH);

 delay(500);

 digitalWrite(11,LOW);

 delay(500);

 digitalWrite(11,HIGH);

 delay(500);

 digitalWrite(11,LOW);

 delay(500);

 digitalWrite(11,HIGH);

 delay(500);

 digitalWrite(11,LOW);

 delay(500);

 digitalWrite(11,HIGH);

 delay(500);

 digitalWrite(11,LOW);


 digitalWrite(12,HIGH);

 delay(2000);

 digitalWrite(12,LOW);

 delay(100);


}

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