int d=150; // rotating light delay
int b=100; // brake light brightness
int h=255; // headlight brightness

int headlights=3;
int brakelights=6;


void setup() {
  // put your setup code here, to run once:
pinMode(3, OUTPUT);  
pinMode(5, OUTPUT);
pinMode(9,OUTPUT);
pinMode(10, OUTPUT);
pinMode(11, OUTPUT);
}

void blight() {  //bubble light
analogWrite(9, 255);
analogWrite(10, 0);
analogWrite(11, 75);
delay(d);
analogWrite(9, 75);
analogWrite(10, 255);
analogWrite(11, 0);
delay(d);
analogWrite(9, 0);
analogWrite(10, 75);
analogWrite(11, 255);
delay(d);

}


void loop() {
  // put your main code here, to run repeatedly:
analogWrite(3,h);
analogWrite(5,b);  
blight();

}