//program 5 led lcd
//------------------
//Nama : Rendi Ahmad Prataam
//Kelas : XII PPLG B
//Tanggal : 30/07/2024

#include <LiquidCrystal_I2C.h>

int ledgreen = 4;
int ledlow  = 3;
int ledred = 2;
const int potensio = A0;

#define I2C_ADDR    0x27
#define LCD_COLUMNS 16
#define LCD_LINES   2
LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);

void setup() {

  Serial.begin(115200);
  pinMode(potensio, INPUT);
  pinMode(ledgreen, OUTPUT);
  pinMode(ledlow, OUTPUT);
  pinMode(ledred, OUTPUT);

  lcd.init();
  lcd.backlight();
  
  lcd.setCursor(0, 0);
  lcd.print("Ubah potensionya");
  delay(2000);
}

void loop() {

  int Value = analogRead(potensio);

  if (Value >= 0 && Value <= 314) {
    digitalWrite(ledred, HIGH);
    digitalWrite(ledlow, LOW);
    digitalWrite(ledgreen, LOW);
    lcd.setCursor(0, 0);
    lcd.print("Status: Merah  ");
    lcd.setCursor(0, 1);
    lcd.print("Value: ");
    lcd.print(Value);
    lcd.print("        ");
  } 
  else if (Value >= 324 && Value <= 682) {
    digitalWrite(ledred, LOW);
    digitalWrite(ledlow, HIGH);
    digitalWrite(ledgreen, LOW);
    lcd.setCursor(0, 0);
    lcd.print("Status: Kuning  ");
    lcd.setCursor(0, 1);
    lcd.print("Value: ");
    lcd.print(Value);
    lcd.print("        ");
  } 
  else if (Value >= 683 && Value <= 1023) {
    digitalWrite(ledred, LOW);
    digitalWrite(ledlow, LOW);
    digitalWrite(ledgreen, HIGH);
    lcd.setCursor(0, 0);
    lcd.print("Status: Hijau   ");
    lcd.setCursor(0, 1);
    lcd.print("Value: ");
    lcd.print(Value);
    lcd.print("        ");
  }


  delay(200);
}