#include <Servo.h>
Servo myservo;
int pinServo = 6;
int ledk = 11;
int ledo = 12;
int ledm = 13;
const int trigpin = 10;
const int echopin = 9;
long timer;
int jarak;
void setup() {
// put your setup code here, to run once:
Serial.begin(9600);
pinMode(ledk, OUTPUT);
pinMode(ledo, OUTPUT);
pinMode(ledm, OUTPUT);
pinMode(trigpin, OUTPUT);
pinMode(echopin, INPUT);
myservo.attach(pinServo);
}
void loop() {
// put your main code here, to run repeatedly:
digitalWrite(trigpin, LOW);
delayMicroseconds(2);
digitalWrite(trigpin, HIGH);
delayMicroseconds(10);
digitalWrite(trigpin, LOW);
timer = pulseIn(echopin, HIGH);
jarak = timer/58;
Serial.println(jarak);
delay(200);
if(jarak <50){
digitalWrite(ledk, LOW);
digitalWrite(ledo, LOW);
digitalWrite(ledm, HIGH);
myservo.write(130);
}else if (jarak <100){
digitalWrite(ledk, LOW);
digitalWrite(ledo, HIGH);
digitalWrite(ledm, LOW);
myservo.write(90);
}
else if (jarak <200){
digitalWrite(ledk, HIGH);
digitalWrite(ledo, LOW);
digitalWrite(ledm, LOW);
myservo.write(45);
}else{
digitalWrite(ledk, LOW);
digitalWrite(ledo, LOW);
digitalWrite(ledm, LOW);
myservo.write(0);
}
}