TRAFFIC LIGHT

 /*************/ 

/* TRAFFIC LIGHT */ 

/*************/ 

/*** David Lobo Martínez ***/ 

//** Definitions **// 

int rojo=12; //It defines the value of the pin for the red led 

int amarillo=11; //It defines the value of the pin for the yellow led

int verde=10; //It defines the value of the pin for the green led

//** Programa **// 

void setup() { //declarations

pinMode(verde,OUTPUT); //It declares the green pin as output 

pinMode(amarillo,OUTPUT);//It declares the yellow pin as output 

pinMode(rojo,OUTPUT); //It declares the red pin as output 

} 

void loop() { //repeat loop continuously 

digitalWrite(verde,HIGH); //It turns on the green led 

delay(3000); //wait 5 seconds 

digitalWrite(verde,LOW); //It turns off the green led 

delay(250); //wait 0.25 seconds

digitalWrite(amarillo,HIGH); //It turns on the yellow led 

delay(3000); //wait 3 seconds 

digitalWrite(amarillo,LOW); //It turns off the yellow led 

delay(250); //wait 0.25 seconds

digitalWrite(rojo,HIGH); //It turns the red led 

delay(3000); //wait 5 seconds 

digitalWrite(rojo,LOW); //It turns off the red led

delay(250); //wait 0.25 seconds

}