MinimalIR.ino

/*

  Directly attach the IR receiver diode to the Pins:

  - Left:   Signal Pin 2
  - Middle: GND
  - Right:  5V

*/

#include <IRremote.h>

int RECV_PIN = 2;

IRrecv irrecv(RECV_PIN);

decode_results results;

void setup() {
  irrecv.enableIRIn();
  Serial.begin(115200);
  pinMode(RECV_PIN, INPUT);
}

void loop() {
  if (irrecv.decode(&results)) {
    int v = results.value;
    if (v != 0 && v != 0x4AB0F7B6 && v != 0xFFFFF7B6) {
      Serial.println(v, HEX);
    }

    if (v == 0x7887) {
      Serial.println("Power pressed");
    }

    irrecv.resume();
  }
}