#include <LiquidCrystal_I2C.h>
#define I2C_ADDR    0x27
#define LCD_COLUMNS 20
#define LCD_LINES   4
LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);
const int pinR = 3;
const int pinG = 5;
const int pinB = 6;
const int potR = A0;
const int potG = A1;
const int potB = A2;
void setup() {
  Serial.begin(9600);
  pinMode(pinR, OUTPUT);
  pinMode(pinG, OUTPUT);
  pinMode(pinB, OUTPUT);
  pinMode(potR, INPUT);
  pinMode(potG, INPUT);
  pinMode(potB, INPUT);
}
int readPot(int pin) {
  return map(analogRead(pin), 0, 1023, 0, 255);
}
void loop() {
  analogWrite(pinR, readPot(potR));
  analogWrite(pinG, readPot(potG));
  analogWrite(pinB, readPot(potB));
  Serial.println(readPot(potR));
  Serial.println(readPot(potG));
  Serial.println(readPot(potB));
  delay(1000);
  lcd.init();
  lcd.backlight();
//Print something
  lcd.setCursor(0,0);
  lcd.print("guosida 666");
  lcd.setCursor(0,1);
  lcd.print("R:");
  lcd.print(readPot(potR));
  lcd.setCursor(4,1);
  lcd.print("G:");
  lcd.print(readPot(potG));
  lcd.setCursor(8,1);
  lcd.print("B:");
  lcd.print(readPot(potB));
}