// LCD1602 to Arduino Uno connection example

#include <LiquidCrystal.h>

LiquidCrystal lcd(12, 11, 10, 9, 8, 7);
float tempo;

void setup() {
  lcd.begin(16, 2);
  // you can now interact with the LCD, e.g.:
  lcd.setCursor(2,0);
  lcd.print("Hello World!");
  Serial.begin(9600);

}

void loop() {
  // ...
  //lcd.clear();
  //lcd.home();
  lcd.setCursor(0,0);

  tempo = millis();
  tempo = tempo/1e3;
 
  lcd.print("Tempo:");
  lcd.print(tempo,2); //Usar 2 casas para o tempo
  lcd.print(" [s] ");

  lcd.setCursor(0, 1);
  lcd.print("S1:");
  float v1 = analogRead(0)*5./1023;
  lcd.print(v1,1);
  lcd.print("V S2:");
  float v2 = analogRead(1)*5./1023;
  lcd.print(v2,1);
  lcd.print("V");
  
  //lcd.write(analogRead(A0)*5./1023);

  Serial.print("Tempo: ");
  Serial.print(tempo);
  Serial.println(" [s] ");
  delay(100);
}