#define ECHO_PIN 2
#define TRIG_PIN 3
#include <Servo.h>

Servo myservo;

int potpin = 0;
int val;

float readDistanceCM() {
 digitalWrite(TRIG_PIN, LOW);
 delayMicroseconds(2);
 digitalWrite(TRIG_PIN, HIGH);
 delayMicroseconds(10);
 digitalWrite(TRIG_PIN, LOW);
 int duration = pulseIn(ECHO_PIN, HIGH);
 return duration * 0.034 / 2;
}

void setup() {
 pinMode(TRIG_PIN, OUTPUT);
 pinMode(ECHO_PIN, INPUT);
 Serial.begin(115200);
 myservo.attach(9);
}
void loop() {
int duration = pulseIn(ECHO_PIN, HIGH);
 float distance = readDistanceCM();
 Serial.print("Jarak: ");
 Serial.println(readDistanceCM());

if(distance <= 10){
 myservo.write(90);
 
 delay(15);
}
else{
 myservo.write(0);
}
}