IRlight

#include <IRremote.h>
int power;
int brightness;
int target;
int saved_target;

int previous_value;

int out=9; //connect your LED to pin 9
int steps=5; //dimmer steps, vary those to increase/decrease the steps between full brightness and turned off
int RECV_PIN = 11; //data out of IR receiver connects to pin 11

int toggle_1 = 2137;
int toggle_2 = 89;
int brighter_1 = 2136;
int brighter_2 = 88;
int darker_1 = 2161;
int darker_2 = 113;

IRrecv irrecv(RECV_PIN);

decode_results results;

void setup(){
      Serial.begin(9600);
      irrecv.enableIRIn(); // start the receiver
      previous_value = 0;
      power = 0;
      target = 0;
      saved_target = 0;
      brightness = 0;
      pinMode(out,OUTPUT);
      digitalWrite(out, brightness);
}

void loop() {
      if (irrecv.decode(&results)) {
            Serial.println(results.value);

            if (results.value == toggle_1 || results.value == toggle_2) {
                  if (results.value != previous_value) {
                        if (power == 0) {
                              Serial.println("- on");
                          if (saved_target <= 5) {
                                    saved_target = 255;
                              }
                              power = 1;
                        }
                        else {
                              Serial.println("- off");
                              power = 0;
                        }
                  }
            }

            previous_value = results.value;

            if (power == 1) {
                  if ((results.value == brighter_1 || results.value == brighter_2) && brightness < 255) {
                        Serial.println("brighter");
                        saved_target += steps;
                        if (saved_target > 255) {
                              saved_target = 255;
                        }
                  }

                  if ((results.value == darker_1 || results.value == darker_2) && brightness > 0) {
                        Serial.println("darker");
                        saved_target -= steps;
                        if (saved_target < 0) {
                              saved_target = 0;
                        }
                  }

            }

            irrecv.resume();
      }

      if (power == 1) {
            target = saved_target;
      }
      else {
            target = 0;
      }

      if (brightness < target) {
            Serial.print("fading up from ");
            Serial.print(brightness);
            Serial.print(" towards ");
            Serial.print(target);
            brightness += steps;
            if (brightness > target) {
                  brightness = target;
            }
            digitalWrite(out, brightness);
      }
      else if (brightness > target) {
            Serial.print("fading down from ");
            Serial.print(brightness);
            Serial.print(" towards ");
            Serial.print(target);
            brightness -= steps;
            if (brightness < target) {
                  brightness = target;
            }
            digitalWrite(out, brightness);
      }
}