Tutorials with Arduino: Arduino controlled by Apple Remote (updated)

Controlling Leds by the Apple Remote (video updated using the Iphone Photostudio for Arduino Stand)

The idea originated because i´m learning a lot on Led driven home applications for lighting, and the first project i´m doing is led lighting for the kitchen (indirect). The commercial systems are very expensive, specially with dimmers and remote controls, so why not Arduino System?

The programming i thought would be very difficult for the IR remote, but it was very simple and fast thanks to this library:  IRremote that you can download from this link.

Part List:

• 3 x LED
• 3 x resistencias 220 ohm
• 1 x IR receiver transistor
• 1 x placa Arduino UNO
• 1 x Apple Remote (funciona con cualquier control IR, sólo que me gusta el apple personalmente).
• 1 x breadboard

The conexions are made following the attached schematics; in this case i used digital input 11 to receive the info from de IR receiver, and the 4, and 5 as digital outputs for the LEDS and the 9 as analog output for the dimmer LED. The only difference between the 4, 5 and 9, is that in one of the LEDS i want to control de intensity (dimmer), using more buttons from the Apple Remote.

We are using the PLay button to start the middle led, the << (rev) button for the left led and the >> (FF) button for the right led. The + and – buttons will be used to change the intensity of the middle led.

/* Code for using the Apple Remote Control on Arduino
To be used with 3 leds, port 4 and 5 (left and right), port 9 center.
The + and - buttons act as dimmers on the port 9 led.
The IR receiver is installed on port 11.
On the center led (PLAY button) yo can switch on and off with the same button.
*/
#include <IRremote.h>

int RECV_PIN = 11;

//Assigning ports
int ledPLAY = 9;
int ledFF = 4;
int ledREV = 5;
//Assigning states (on = 0, off = 1)
int ledPLAYst = 0;
int ledFFst = 0;
int ledREVst = 0;
//Dimmer step
int paso = 10;

IRrecv irrecv(RECV_PIN);
decode_results results;

void setup()
{
  Serial.begin(9600);
  Serial.println("Comenzamos Lectura");
  irrecv.enableIRIn(); // Start the receiver
  pinMode(ledPLAY, OUTPUT);
  pinMode(ledFF, OUTPUT);
  pinMode(ledREV, OUTPUT);
}
void ledCLEAR(){
    digitalWrite(ledPLAY, LOW);
    digitalWrite(ledFF, LOW);
    digitalWrite(ledREV, LOW);
   //ledPLAYst = 0; 
}
int brightness = 0;
void loop() {

  if (irrecv.decode(&results)) {
    Serial.println(results.value);
    irrecv.resume(); // Receive the next value
    if (results.value == 2011242556)
    {
    ledCLEAR();
    Serial.println("Play");
    Serial.println(ledPLAYst);
    Serial.println(brightness);
    if (ledPLAYst == 0) {
    analogWrite(ledPLAY, brightness);
    ledPLAYst = 1;
  }
  else {
    analogWrite(ledPLAY, 0);
    ledPLAYst = 0;
  }
  }
    else if (results.value == 2011291708)
    {
    ledCLEAR();  
    Serial.println("FF");
    digitalWrite(ledFF, HIGH);
  }
    else if (results.value == 2011238460)
    {
      ledCLEAR();
    Serial.println("REV");
    //digitalWrite(ledPLAY, HIGH);
    //digitalWrite(ledFF, HIGH);
    digitalWrite(ledREV, HIGH);
  }
    else if (results.value == 2011287612)
    {
      ledCLEAR();
    Serial.println("+");
    Serial.println(brightness);
    if (brightness < 255 - paso){
    brightness=brightness + paso;}
    else {brightness = 255;}
    analogWrite(ledPLAY, brightness);
  }
    else if (results.value == 2011279420)
    {
      ledCLEAR();
    Serial.println("-");
    Serial.println(brightness);
    if (brightness > paso){
    brightness=brightness - paso;}
    else {brightness = 0;}
    analogWrite(ledPLAY, brightness);
  }
    else if (results.value == 2011250748)
    {
      ledCLEAR();
    Serial.println("Menu");
  }
    else {Serial.println("Otro");}

  }
}

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