#include <Servo.h>
Servo motor;
void setup() {
motor.attach(9);
pinMode(11,OUTPUT);
pinMode(12,INPUT);
Serial.begin(9600);
}
void loop() {
digitalWrite(11,HIGH);
delayMicroseconds(10);
digitalWrite(11,LOW);
int sure=pulseIn(12,HIGH);
int yol=sure*0.034/2;
Serial.println("mesafe=");
Serial.print(yol);
if (yol<10) {motor.write(90);}
else {motor.write(0);}
}