#include <LiquidCrystal_I2C.h>
#include <Wire.h> 
 
#define R 13
#define G 12



const int lcdAddress1 = 0x27; 
const int lcdAddress2 = 0x28; 
const int lcdAddress3 = 0x29;  

LiquidCrystal_I2C lcd1(lcdAddress1, 20, 4);
LiquidCrystal_I2C lcd2(lcdAddress2, 20, 4);
LiquidCrystal_I2C lcd3(lcdAddress3, 20, 4);


void setup() { 
  Serial.begin(9600); 
  lcd1.init();
  lcd2.init();
  lcd3.init(); 
  lcd1.backlight();
  lcd2.backlight();
  lcd3.backlight(); 
  
  lcd1.setCursor(3, 0);
  lcd1.print("ja esra");
  delay(1000);
  lcd1.clear();
  lcd2.clear();
  lcd3.clear();
  
}

void loop() {
  lcd2.setCursor(0, 0);
  lcd2.print("vermelho");
  digitalWrite(R, HIGH);
  digitalWrite(G, LOW);
  delay(1000);
  lcd1.setCursor(0, 1);
  lcd1.print("verde");
  digitalWrite(R, LOW);
  digitalWrite(G, HIGH);
  delay(1000);
  lcd2.setCursor(0, 2);
  lcd2.print("lcd2");
  lcd3.setCursor(0, 2);
  lcd3.print("lcd3");
  digitalWrite(R, HIGH);
  digitalWrite(G, LOW);
  delay(1000);
  lcd1.setCursor(0, 3);
  lcd1.print("verde");
  digitalWrite(R, LOW);
  digitalWrite(G, HIGH);
  delay(1000);
  lcd1.clear();
  lcd2.clear();
  lcd3.clear();
  
}


/* 



void setup() { 
  
}

void loop() {  
  lcd1.clear();
  lcd1.print("DHT1: ");
  lcd1.setCursor(0, 1);
  lcd1.print("Temp: ");
  lcd1.print("C Humidity: ");
  lcd2.clear();
  lcd2.print("DHT2: ");
  lcd2.setCursor(0, 1);
  lcd2.print("Temp: ");
  lcd2.print("C Humidity: ");
  lcd3.clear();
  lcd3.print("DHT3: ");
  lcd3.setCursor(0, 1);
  lcd3.print("Temp: ");
  lcd3.print("C Humidity: ");
  for (int i = 0; i < 17; i++) {
  lcd1.scrollDisplayLeft();
  lcd2.scrollDisplayRight();
  lcd3.scrollDisplayLeft();
  delay(700);  
  }
  // Delay for a while before taking new readings
  delay(2000);
}

*/