int R = 13, Y = 12, G = 11;
void setup() {
// put your setup code here, to run once:
// pinMode(LED, OUTPUT);
pinMode(R, OUTPUT);
pinMode(Y, OUTPUT);
pinMode(G, OUTPUT);
}
void loop() {
// put your main code here, to run repeatedly:
// Red
digitalWrite(R, HIGH);
delay(500);
digitalWrite(R, LOW);
// Yellow
digitalWrite(Y, HIGH);
delay(700);
digitalWrite(Y, LOW);
// Green
digitalWrite(G, HIGH);
delay(1000);
digitalWrite(G, LOW);
}