#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);

const int PIN_moisture = 34;
const int PIN_pH = 35;

void setup() {
  lcd.init();
  lcd.backlight();
  Serial.begin(115200); 

  lcd.setCursor(0,0);
  lcd.print("Sistem Monitoring");
  lcd.setCursor(0,1);
  lcd.print("Kelembapan & Ph Tanah");
  delay(2000);
  lcd.clear();
}

void loop() {

  int kelembapanTanah = analogRead(PIN_moisture);  // Baca nilai sensor kelembapan tanah
  kelembapanTanah = (kelembapanTanah / 4095.00) * 100.00; //nilai 0-100%
  int pH = analogRead(PIN_pH); // Baca nilai sensor Ph tanah
  pH = (pH / 4095.0) * 14.0;  // Mengubah nilai analog menjadi range pH 0-14

  Serial.print("Nilai Kel. Tanah: ");
  Serial.println(kelembapanTanah);
  Serial.print("Nilai pH Tanah: ");
  Serial.println(pH);

  lcd.setCursor(0,0);
  lcd.print("Moisture: ");
  lcd.setCursor(9,0);
  lcd.print(kelembapanTanah);
  lcd.setCursor(12,0);
  lcd.print("%");

  lcd.setCursor(0,1);
  lcd.print("pH: ");
  lcd.setCursor(4,1);
  lcd.print(pH);
  
  delay(2000);
  lcd.clear();

}