#include <LiquidCrystal_I2C.h>
#include <ESP32Servo.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);  
Servo redS, greenS, blueS;

const int redLPin = 17;
const int greenLPin = 16;
const int blueLPin = 4;
const int redSPin = 26;
const int greenSPin = 25;
const int blueSPin = 33;
const int redPPin = 12;
const int greenPPin = 14;
const int bluePPin = 27;

int red, green, blue;

void setup() {
  Serial.begin(115200);

  //lcd setup
  lcd.init();
  lcd.backlight();
  lcd.setCursor(0, 1);
  lcd.print("Davyd Tovstyi");
  lcd.setCursor(0, 0);
  lcd.print("RGB:0  ,0  ,0  .");

  //servo setup
  redS.attach(redSPin, 500, 2500);
  greenS.attach(greenSPin, 500, 2500);
  blueS.attach(blueSPin, 500, 2500);
  redS.write(0);
  blueS.write(0);
  greenS.write(0);

  //rgb pin setup
  pinMode(redLPin, OUTPUT);
  pinMode(blueLPin, OUTPUT);
  pinMode(greenLPin, OUTPUT);

  //potenciometrs setup
  pinMode(redPPin, INPUT);
  pinMode(bluePPin, INPUT);
  pinMode(greenPPin, INPUT);
}

void loop() {
  red = analogRead(redPPin)/16;
  blue = analogRead(bluePPin)/16;
  green = analogRead(greenPPin)/16;
  
  //lcd output
  lcd.setCursor(4, 0);
  lcd.print("   ");
  lcd.setCursor(4, 0);
  lcd.print(red);
  lcd.setCursor(8, 0);
  lcd.print("   ");
  lcd.setCursor(8, 0);
  lcd.print(green);
  lcd.setCursor(12, 0);
  lcd.print("   ");
  lcd.setCursor(12, 0);
  lcd.print(blue);
  
  //servo output
  redS.write(red/1.4);
  blueS.write(blue/1.4);
  greenS.write(green/1.4);
  
  //rbg output
  analogWrite(redLPin, 255 - red);
  analogWrite(blueLPin, 255 - blue);
  analogWrite(greenLPin, 255 - green);

  delay(10);
}