/*Check various types of horn in servo like double and cross in diagram.json*/

#include <Servo.h>
//change the default value of pos to 180
 int pos = 180;
Servo myservo;
void setup() {
  // put your setup code here, to run once:
  myservo.attach(9);
}

void loop() {
  // put your main code here, to run repeatedly:

  //Change the condition such that if the position goes negative then pos will reset to 180 units
   if(pos <0)
  {
    pos = 180;
  }

delay(100);
//Instead of incrementing the value change the sign to make it decrement by 1unit
pos = pos -1;
myservo.write(pos); 
}