#include <Servo.h>
#include <IRremote.h>
#include <LiquidCrystal.h>

#define PIN_IR_RECEIVER 2
#define PIN_PWM 3

Servo servo;
IRrecv receiver(PIN_IR_RECEIVER);
LiquidCrystal lcd(13, 12, 11, 10, 9, 8);

int translateIR()
{
  switch (receiver.decodedIRData.command) 
  {
    case 104: return 0;
    case 48: return 1;
    case 24: return 2;
    case 122: return 3;
    case 16: return 4;
    case 56: return 5;
    case 90: return 6;
    case 66: return 7;
    case 74: return 8;
    case 82: return 9;
    case 168: return -1;//play
    case 176: return -2;//С  -сброс
    default: return -3;//другие кнопки 
  }
}

void setup() 
{
  servo.attach(PIN_PWM);
  receiver.enableIRIn();
  lcd.begin(16, 2, LCD_5x8DOTS);
  lcd.clear();
  lcd.print("Angle = 0");
  servo.write(0);
}

int angle = 0;

void loop() 
{
  int digit = -1;
  if (receiver.decode())
  {
    digit = translateIR();    
    if (digit >= 0)
    {
      if(angle <= 99)//ограничение ввода тремя знаками
      {
        angle = angle*10 + digit;
      }      
    }
    else if(digit == -2)//Сброс
    {
      angle = 0;
      lcd.clear();
      lcd.print("Angle = 0");
    }
    else if(digit == -1)//Play
    {
      if(angle >= 0 && angle <= 180)
      {
        servo.write(angle);
      }         
    }
    receiver.resume();
  }
  lcd.setCursor(8,0);
  lcd.print(angle);
}