Adruino--IR remote

// IR receiver sample (38KHz)

#include <IRremote.h>

int IR_pin = 2;

IRrecv ir(IR_pin);
decode_results res;
String s;

void setup() {
    // put your setup code here, to run once:
    Serial.begin(9600);
    Serial.println("IR receive ON");
    ir.enableIRIn();
}

void loop()
{
    if (ir.decode(&res)) {
        // Serial.println(res.value, HEX);
        switch (res.value) {
        case 0xFF629D: s = "UP"; break;
        case 0xFF22DD: s = "LEFT"; break;
        case 0xFF02FD: s = "OK"; break;
        case 0xFFC23D: s = "RIGHT"; break;
        case 0xFFA857: s = "DOWN"; break;
        case 0xFF6897: s = "1"; break;
        case 0xFF9867: s = "2"; break;
        case 0xFFB04F: s = "3"; break;
        case 0xFF30CF: s = "4"; break;
        case 0xFF18E7: s = "5"; break;
        case 0xFF7A85: s = "6"; break;
        case 0xFF10EF: s = "7"; break;
        case 0xFF38C7: s = "8"; break;
        case 0xFF5AA5: s = "9"; break;
        case 0xFF42BD: s = "*"; break;
        case 0xFF4AB5: s = "0"; break;
        case 0xFF52AD: s = "#"; break;
        default: goto next;
        }
        Serial.println(s);
next:   ir.resume(); // Receive the next value
    }
    delay(100);
}

// REMOTE:
//
// LEFT   FF22DD
// UP     FF629D
// RIGHT  FFC23D
// DOWN   FFA857
// OK     FF02FD
// 1      FF6897
// 2      FF9867
// 3      FFB04F
// 4      FF30CF
// 5      FF18E7
// 6      FF7A85
// 7      FF10EF
// 8      FF38C7
// 9      FF5AA5
// 0      FF4AB5
// *      FF42BD
// #      FF52AD