Final Code for Virtual Nature Box

finalcode.ino

#include <Adafruit_NeoPixel.h>
#ifdef __AVR__
  #include <avr/power.h>
#endif

 //pin that the strip is connected to
 #define PIN 5

//first argument is # pixels - change to how many you haveAdafruit_NeoPixel strip = Adafruit_NeoPixel(10, PIN, NEO_GRB + NEO_KHZ800);
Adafruit_NeoPixel strip = Adafruit_NeoPixel(10, PIN, NEO_GRB + NEO_KHZ800);

int switchVal = 0; //for power switch
int lightVal = 0; //for light potentiometer
int brightness = 0; //brightness of star LEDs

int red, green, blue, yellow = 0; //variables for colors

//stuff for MP3 shield
#include <SPI.h>
#include <SdFat.h>
#include <SdFatUtil.h> 
#include <SFEMP3Shield.h>

SdFat sd;
SFEMP3Shield MP3player; //start mp3player object

void setup() {
  Serial.begin(9600);
  
  strip.begin(); //start neopixels  
  strip.show();

  pinMode(A0, INPUT); //light pot pin
  pinMode(A5, OUTPUT); //power LED
  pinMode(A1, INPUT); //power switch
  pinMode(5, OUTPUT); //neopixels
  pinMode(10, OUTPUT); //star LEDs

  //start the shield
  sd.begin(SD_SEL, SPI_HALF_SPEED);
  MP3player.begin();
}

void loop() {

  lightVal = analogRead(A0); //read light potentiometer val
  switchVal = analogRead(A1); //read whether power switch is on

  if(switchVal>700) //If POWER IS ON
  {
  digitalWrite(A5, HIGH);  //turn on power LED

  //start playing bird track
  MP3player.playTrack(2);
  analogWrite(10, brightness); //write to star LEDs
  
  //NEOPIXELS & TIME OF DAY
  if(lightVal >= 0 && lightVal < 175) //midnight
  {
    brightness = 20; //for star LEDs, repeated in later ones with different brightnesses
    blue = map(lightVal, 0, 174, 10, 255);
    yellow = map(lightVal, 0, 174, 0, 20);

    for(int i=0; i<10; i=i+2)
    {
    strip.setPixelColor(i, 0, 0, blue); 
    }
    for(int i=1; i<10; i=i+2)
    {
    strip.setPixelColor(i, yellow, yellow, 0); 
    }
  }
  if(lightVal >= 175 && lightVal < 256) //going to dawn
  {
    brightness = 10;
    red = map(lightVal, 175, 255, 0, 255);
    yellow = map(lightVal, 175, 255, 20, 100);

    for(int i=0; i<10; i=i+2)
    {
    strip.setPixelColor(i, red, 0, blue); 
    }
    for(int i=1; i<10; i=i+2)
    {
    strip.setPixelColor(i, yellow, yellow, 0); 
    }
  }
  if(lightVal >= 256 && lightVal < 325) //going from dawn
  {
    brightness = 0;
    blue = map(lightVal, 256, 324, 255, 0);
    yellow = map(lightVal, 256, 324, 100, 150);

    for(int i=0; i<10; i=i+2)
    {
    strip.setPixelColor(i, 255, 0, blue); 
    }
    for(int i=1; i<10; i=i+2)
    {
    strip.setPixelColor(i, yellow, yellow, 0); 
    }
  }
  if(lightVal >= 325 && lightVal < 512) //going to noon
  {
    brightness = 0;
    green = map(lightVal, 325, 511, 0, 255);
    yellow = map(lightVal, 325, 511, 150, 255);

    for(int i=0; i<10; i=i+2)
    {
    strip.setPixelColor(i, 255, green, 0); 
    }
    for(int i=1; i<10; i=i+2)
    {
    strip.setPixelColor(i, yellow, yellow, 0); 
    }
  }
  if(lightVal >= 512 && lightVal < 700) //going from noon
  {
    brightness = 0;
    green = map(lightVal, 512, 699, 255, 0);
    yellow = map(lightVal, 512, 699, 255, 150);

    for(int i=0; i<10; i=i+2)
    {
    strip.setPixelColor(i, 255, green, 0); 
    }
    for(int i=1; i<10; i=i+2)
    {
    strip.setPixelColor(i, yellow, yellow, 0); 
    }
  }
  if(lightVal >= 700 && lightVal < 768) //going to dusk
  {
    brightness = 0;
    blue = map(lightVal, 700, 767, 0, 255);
    yellow = map(lightVal, 700, 767, 150, 100);

    for(int i=0; i<10; i=i+2)
    {
    strip.setPixelColor(i, 255, 0, blue); 
    }
    for(int i=1; i<10; i=i+2)
    {
    strip.setPixelColor(i, yellow, yellow, 0); 
    }
    
  }
  if(lightVal >= 768 && lightVal < 830) //going from dusk
  {
    brightness = 10;
    red = map(lightVal, 768, 829, 255, 0);
    yellow = map(lightVal, 768, 829, 100, 20);

    for(int i=0; i<10; i=i+2)
    {
    strip.setPixelColor(i, red, 0, 255); 
    }
    for(int i=1; i<10; i=i+2)
    {
    strip.setPixelColor(i, yellow, yellow, 0); 
    }
  }
  if(lightVal >= 830 && lightVal < 1024) //going to midnight
  {
    brightness = 20;
    blue = map(lightVal, 830, 1023, 255, 10);
    yellow = map(lightVal, 830, 1020, 20, 0);

    for(int i=0; i<10; i=i+2)
    {
    strip.setPixelColor(i, 0, 0, blue); 
    }
    for(int i=1; i<10; i=i+2)
    {
    strip.setPixelColor(i, yellow, yellow, 0); 
    }
  }
 strip.show();
  }
  if(switchVal < 200)
  {
    analogWrite(A5, 0); //turn off power LED

    for(int i=0; i<10; i++) //turn off neopixels
    {
    strip.setPixelColor(i, 0, 0, 0); 
    }
    strip.show();
    MP3player.stopTrack(); //stop birds
    digitalWrite(10, LOW); //turn off stars
  }
}