arduino led test code

test

int pins[] = {3,5,9,10,11};
int nr = 5;

// the setup routine runs once when you press reset:
void setup()  { 
  Serial.begin(9600);
  // declare pins[] to be an output:
  for (int i =0; i<nr; i++) {
    pinMode(pins[i],OUTPUT);
    analogWrite(pins[i],0);
    delay(500);
    analogWrite(pins[i],255);
    delay(500);
    analogWrite(pins[i],0);
  }
} 

// the loop routine runs over and over again forever:
void loop()  { 
  for (int i =0; i<nr; i++) {
    fadeInOut(pins[i]);
   Serial.print("X:\t");
   readSensor(1);
   Serial.print("Y:\t");
   readSensor(2);
   Serial.print("Z:\t");
   readSensor(3);
  }
}

void readSensor(int pin) { //X= A1 Y=A2 Z=A3
 int X=0;
 for(int i=0; i<5; i++) { //improves accuracy
   X += analogRead(pin); 
   delay(2);
 }
 X = X/5;
 Serial.println(X); 
}


void fadeInOut(int pin) {
  int brightness = 0;
  int fadeAmount = 5;    // how many points to fade the LED by
  
  while(1){
    // change the brightness for next time through the loop:
    brightness = brightness + fadeAmount;
  
    // reverse the direction of the fading at the ends of the fade: 
    if (brightness >= 255) {
      fadeAmount = -fadeAmount ; 
    }  
    // set the brightness of pin
    analogWrite(pin, brightness);  
    
    if (brightness <=0 ) { break; }
    // wait for 30 milliseconds to see the dimming effect    
    delay(30); 
  }  
}