#include <Servo.h>

Servo myServo;
#define ECHO_Pin =5;
#define TRIG_Pin =6;
int sudut = 0;

void setup() {
  // put your setup code here, to run once:
myServo.attach(servoPin);
pinMode(TRIG_Pin, OUTPUT);
pinMode(ECHO_Pin, INPUT);

}
float jarak_mm()
{
  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 loop() {
  // put your main code here, to run repeatedly:
  float cm = jarak_cm();

  if (cm <= 100)
  {sudut = 180;
  myServo.write(sudut);
  delay(1000);}
else
{sudut = 0;
myServo.write(sudut);
delay(1000);}
}