#include <Servo.h>
Servo myservo;

int l1=2;
int l2=3;
int l3=4;



void setup()
{
myservo.attach(9); 

pinMode(l1, OUTPUT);
pinMode(l2, OUTPUT);
pinMode(l3, OUTPUT);

}
void loop()
{
  
digitalWrite(l1,1);
digitalWrite(l2,0);
digitalWrite(l3,0);
myservo.write(180);
delay(1000);
digitalWrite(l1,0);
digitalWrite(l2,1);
digitalWrite(l3,0);
myservo.write(90);
delay(1000);
digitalWrite(l1,0);
digitalWrite(l2,0);
digitalWrite(l3,1);
myservo.write(0);
delay(1000);




}