// Interactive Photosensor Control
//
// An example of using analogRead and a photoresistor
// to control the how many LED's are on, as in a
// meter of some kind

// LED Variables
int ledPin1 = 11; int ledPin2 = 10; int ledPin3 = 9;
int ledPin4 =  8; int ledPin5 = 7;  int ledPin6 = 6;
int ledPin7 =  5; int ledPin8 = 4;  int ledPin9 = 3;
int ledPin10 = 2;
// Poteniometer variable
int photoPin = 1;
// Value holder for potentiometer
int photoVal = 1;
// Hook the photoresistor up like this:
//           Photo R    10K 
// +5V   o---/\/\/\--.--/\/\/\---o GND
//                
// Depending on your setup, there will be a high and low value range
// You can use them to set the limits of your meter display
int photoMin = 700;
int photoMax = 1020;
void setup() {
  Serial.begin(9600);        // Setup the Serial port
  for(int i=2; i<12; i++) {  // Do a for loop to set pins 2 thru 10
    Serial.println(i);
    pinMode(i, OUTPUT);      // to OUTPUT
  }

}

void loop() {
  photoVal = analogRead(photoPin);
  Serial.println(photoVal);
  int photoRange = photoMax - photoMin; // Get the range of numbers
  if(photoVal > photoMin + (photoRange/10)) { 
    digitalWrite(ledPin1,HIGH); 
  }else{
    digitalWrite(ledPin1,LOW);
  }
  if(photoVal > photoMin + ((photoRange/10)*2)) { 
    digitalWrite(ledPin2,HIGH); 
  }else{
    digitalWrite(ledPin2,LOW);
  }
  if(photoVal > photoMin + ((photoRange/10)*3)) { 
    digitalWrite(ledPin3,HIGH); 
  }else{
    digitalWrite(ledPin3,LOW);
  }
  if(photoVal > photoMin + ((photoRange/10)*4)) { 
    digitalWrite(ledPin4,HIGH); 
  }else{
    digitalWrite(ledPin4,LOW);
  }
  if(photoVal > photoMin + ((photoRange/10)*5)) { 
    digitalWrite(ledPin5,HIGH); 
  }else{
    digitalWrite(ledPin5,LOW);
  }
  if(photoVal > photoMin + ((photoRange/10)*6)) { 
    digitalWrite(ledPin6,HIGH); 
  }else{
    digitalWrite(ledPin6,LOW);
  }
  if(photoVal > photoMin + ((photoRange/10)*7)) { 
    digitalWrite(ledPin7,HIGH); 
  }else{
    digitalWrite(ledPin7,LOW);
  }
  if(photoVal > photoMin + ((photoRange/10)*8)) { 
    digitalWrite(ledPin8,HIGH); 
  }else{
    digitalWrite(ledPin8,LOW);
  }
  if(photoVal > photoMin + ((photoRange/10)*9)) { 
    digitalWrite(ledPin9,HIGH); 
  }else{
    digitalWrite(ledPin9,LOW);
  }
  if(photoVal >= photoMax) { 
    digitalWrite(ledPin10,HIGH); 
  }else{
    digitalWrite(ledPin10,LOW);
  }

}