#include <Servo.h>

Servo myServo;

int pos = 0;

#define PIN_TRIG 3
#define PIN_ECHO 2

void setup() {
  myServo.attach(13);
  Serial.begin(115200);
  pinMode(PIN_TRIG, OUTPUT);
  pinMode(PIN_ECHO, INPUT);
}

void loop() {
  digitalWrite(PIN_TRIG, HIGH);
  digitalWrite(PIN_TRIG, LOW);
  pos = pulseIn(PIN_ECHO, HIGH);
  myServo.write(pos / 130);

  
}