//Project 05 LCD-LED-Button-Serial
//Nama : ULLY KEYSA RAHMA
//Kelas : XII PPLG B
//Tanggal : 30/07/2024
#include <LiquidCrystal_I2C.h>
#define I2C_ADDR    0x27
#define LCD_COLUMNS 20
#define LCD_LINES   4

LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);

int ledMerah = 2;
int ledKuning = 3;
int ledHijau = 4;
int Potensio = A0;

void setup() {
  Serial.begin(115200);
  pinMode(A0, INPUT);
  pinMode(Potensio, INPUT);
  pinMode(ledMerah, OUTPUT);
  pinMode(ledKuning, OUTPUT);
  pinMode(ledHijau, OUTPUT);
  lcd.init();
  lcd.backlight();
}

void loop() {
  int potValue = analogRead(Potensio);

  if(potValue >= 0 && potValue <= 314){
    digitalWrite(ledMerah, HIGH);
    digitalWrite(ledKuning, LOW);
    digitalWrite(ledHijau, LOW);
    lcd.setCursor(0,0);
    lcd.print(" STATUS = merah");
    lcd.print("                ");
    lcd.setCursor(0,1);
    lcd.print(" VALUE = ");
    lcd.print(potValue);
    lcd.print("   ");
  }
  else if(potValue >= 324 && potValue <= 682){
    digitalWrite(ledMerah, LOW);
    digitalWrite(ledKuning, HIGH);
    digitalWrite(ledHijau, LOW);
    lcd.setCursor(0,0);
    lcd.print(" STATUS = kuning");
    lcd.print("                ");
    lcd.setCursor(0,1);
    lcd.print(" VALUE = ");
    lcd.print(potValue);
    lcd.print("   ");
  }
  else if(potValue >= 683 && potValue <= 1023){
    digitalWrite(ledMerah, LOW);
    digitalWrite(ledKuning, LOW);
    digitalWrite(ledHijau, HIGH);
    lcd.setCursor(0,0);
    lcd.print(" STATUS = hijau");
    lcd.print("                ");
    lcd.setCursor(0,1);
    lcd.print(" VALUE = ");
    lcd.print(potValue);
    lcd.print("   ");
  }

  delay(1000);

}