#include <LiquidCrystal_I2C.h>
#include <Wire.h>

int ledMaior = 32;
int ledMenor = 33;

LiquidCrystal_I2C lcd(0x27, 16, 2);

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

  pinMode(ledMenor, OUTPUT);
  pinMode(ledMaior, OUTPUT);
}

void loop() {
  long val = analogRead(25);
  long percent = analogRead(25);

  percent = map(percent, 0, 4095, 0, 100);

  lcd.setCursor(0,0);
  lcd.println("valor = ");
  lcd.print(val);

  lcd.setCursor(0,1);
  lcd.println("por%");
  lcd.print(percent);
  delay(500);

  if (percent <= 30){
   digitalWrite(ledMenor, HIGH);
   digitalWrite(ledMaior, LOW);
  } else {
    digitalWrite(ledMenor, LOW);
    digitalWrite(ledMaior, HIGH);
  }

  delay(500);
}