#include <SoftwareSerial.h>

SoftwareSerial mySerial(8, 9); 

#define trigPin 2
#define echoPin 3
#define sensor_cahaya A2
#define potentiometer A1

void setup() {
  Serial.begin(9600);
  mySerial.begin(9600);
  pinMode(trigPin, OUTPUT);
  pinMode(echoPin, INPUT);
}

void loop() {
  long duration, distance;
  digitalWrite(trigPin, LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);
  duration = pulseIn(echoPin, HIGH);
  distance = (duration / 2) * 0.5;

  int cahaya = analogRead(sensor_cahaya);
  int potensio = analogRead(potentiometer);

  mySerial.print(distance);
  mySerial.print(",");
  mySerial.print(cahaya);
  mySerial.print(",");
  mySerial.println(potensio);

  Serial.print("Jarak: ");
  Serial.print(distance);
  Serial.print(" cm, Light Sensor: ");
  Serial.print(cahaya);
  Serial.print(", Potentiometer: ");
  Serial.println(potensio);

  delay(2000);
}