#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <Adafruit_SSD1306.h>
#include <Adafruit_GFX.h>

LiquidCrystal_I2C verde(0x27,16,2);
Adafruit_SSD1306 oled(128,64, &Wire, -1);


void setup() {
  Serial.begin(9600);
  // put your setup code here, to run once:
  verde.init();
  //inicializacion del oled
  if(!oled.begin(SSD1306_SWITCHCAPVCC, 0x3D)) { // Address 0x3D for 128x64
    Serial.println(F("SSD1306 allocation failed"));
    for(;;); // Don't proceed, loop forever
  }
  verde.backlight();
  verde.setCursor(0,0);
  verde.print("Hola");
  oled.clearDisplay();
  oled.display();
  oled.setTextSize(1);
  oled.setTextColor(SSD1306_WHITE);
  oled.setCursor(0,0);
  oled.print("Hola OLED");
  delay(3000);
  verde.clear();
  oled.clearDisplay();
}

void loop() {
  // put your main code here, to run repeatedly:
  int lectura1 = map(analogRead(0),0,1023, 0, 100);
  int lectura2 = map(analogRead(1),0,1023, 0, 50);
  int lectura3 = map(analogRead(2),0,1023, 0, 10);
  verde.setCursor(0,0);
  verde.print("A0: ");
  verde.print(lectura1);
  verde.print("  ");
  verde.setCursor(9,0);
  verde.print("A1: ");
  verde.print(lectura2);
  verde.print("  ");
  verde.setCursor(0,1);
  verde.print("A2: ");
  verde.print(lectura3);
  verde.print("  ");
  }