Fade_LED

//#include <IRremote.h>
//int RECV_PIN = 4;
//IRrecv irrecv(RECV_PIN);
//decode_results results;
//rgb led
int redPin = 12;
int greenPin = 8;
int bluePin = 7;
//motor pot
int const potenciometro = 0;
int const transTIP120 = 10;
int valPotenciometro = 0;
//leds

int led = 11;
int brightness = 0;
int fadeAmount = 5;
//------------------------------
void setup()
{
  Serial.begin(9600);
  //pot motor
  pinMode(transTIP120, OUTPUT);

//  irrecv.enableIRIn();
  //leds
  pinMode(led, OUTPUT);
  //pinMode(11, OUTPUT);
  //rgb
  pinMode(redPin, OUTPUT);
  pinMode(greenPin, OUTPUT);
  pinMode(bluePin, OUTPUT);
  //RELAY
  pinMode(2, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(6, OUTPUT);

}
int i1 = 0;
int i2 = 0;
int i3 = 0;
int i4 = 0;
int i5 = 0;
int i6 = 0;
int i7 = 0;
int i8 = 0;
int i9 = 0;
//-------------------------
void loop()
{
  fade();
/*  if (irrecv.decode(&results))
  {
    //button 1
    if (results.value == 0xFF6897)  // Red Button
      {
      setColor(255, 0, 0);  // Sets Red Color to the RGB LED
      delay(100);
    }
    //button 2
    if (results.value == 0xFF9867)  // Yellow Button
     {
      setColor(255, 255, 0);  // Yellow Color
      delay(100);
    }
    //button OK
    if (results.value == 0xFF02FD)  // Stop Button
    {
      setColor(0, 0, 0);  // OFF
      delay(100);
    }
    //button 3
    if (i1 == 0 && results.value == 0xFFB04F)
    {
      digitalWrite(6, HIGH);
      i1 = 1;
    }
    else if (i1 == 1 && results.value == 0xFFB04F)
    {
      digitalWrite(6, LOW);
      i1 = 0;
    }
    //button 4
    else if (i2 == 0 && results.value == 0xFF30CF)
    {
      digitalWrite(5, HIGH);
      i2 = 1;
    }
    else if (i2 == 1 && results.value == 0xFF30CF)
    {
      digitalWrite(5, LOW);
      i2 = 0;
    }
    //button 5
    else if (i3 == 0 && results.value == 0xFF18E7)
    {
      digitalWrite(3, HIGH);
      i3 = 1;
    }
    else if (i3 == 1 && results.value == 0xFF18E7)
    {
      digitalWrite(3, LOW);
      i3 = 0;
    }
    //button 6
    else if (i4 == 0 && results.value == 0xFF7A85)
    {
      digitalWrite(2, HIGH);
      i4 = 1;
    }
    else if (i4 == 1 && results.value == 0xFF7A85)
    {
      digitalWrite(2, LOW);
      i4 = 0;
    }
    //button 7
    else if (i5 == 0 && results.value == 0xFF10EF)
    {
      digitalWrite(10, HIGH);
      i5 = 1;
    }
    else if (i5 == 1 && results.value == 0xFF10EF)
    {
      digitalWrite(10, LOW);
      i5 = 0;
    }
    //button 8
    else if (i6 == 0 && results.value == 0xFF38C7)
    {
      digitalWrite(9, HIGH);
      i6 = 1;
      fade();
    }
    else if (i6 == 1 && results.value == 0xFF38C7)
    {
      digitalWrite(9, LOW);
      i6 = 0;
    }
    irrecv.resume();
  }
  delay(100);*/
}
//-------------------------------------
//rgb led
void setColor(int red, int green, int blue)
{
  analogWrite(redPin, red);
  analogWrite(greenPin, green);
  analogWrite(bluePin, blue);

  //potmotor
  valPotenciometro = analogRead(potenciometro) / 4;
  analogWrite(transTIP120, valPotenciometro);
}
//-------------------------
void fade()
{

  //fade led
  Serial.println(brightness);
  analogWrite(led, brightness);
  brightness = brightness + fadeAmount;

  if (brightness == 0 || brightness == 255)
  {
    fadeAmount = -fadeAmount ;
  }
  delay(30);
}