#include <SoftwareSerial.h>
SoftwareSerial serial_neo(1,0); //tx, rx
#include <Adafruit_NeoPixel.h>
#ifdef __AVR__
 #include <avr/power.h> // Required for 16 MHz Adafruit Trinket
#endif

// Which pin on the Arduino is connected to the NeoPixels?
#define PIN        6 // On Trinket or Gemma, suggest changing this to 1

// How many NeoPixels are attached to the Arduino?
#define NUMPIXELS 12 // Popular NeoPixel ring size

// When setting up the NeoPixel library, we tell it how many pixels,
// and which pin to use to send signals. Note that for older NeoPixel
// strips you might need to change the third parameter -- see the
// strandtest example for more information on possible values.
Adafruit_NeoPixel pixels(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);

#define DELAYVAL 500 // Time (in milliseconds) to pause between pixels


 
void setup() {
serial_neo.begin(9600);



    // These lines are specifically to support the Adafruit Trinket 5V 16 MHz.
  // Any other board, you can remove this part (but no harm leaving it):
#if defined(__AVR_ATtiny85__) && (F_CPU == 16000000)
  clock_prescale_set(clock_div_1);
#endif
  // END of Trinket-specific code.

  pixels.begin(); // INITIALIZE NeoPixel strip object (REQUIRED)
}

byte average;
 
void loop(){
   pixels.clear(); // Set all pixel colors to 'off'
   
  if (serial_neo.available() > 0) { // if we are receiving data from de sensor...
    average = serial_neo.read();
    if (average > 75 ) {
     pixels.setPixelColor(0, pixels.Color(0, 150, 0));
     pixels.setPixelColor(1, pixels.Color(0, 150, 0));
     pixels.setPixelColor(2, pixels.Color(0, 150, 0));
     pixels.setPixelColor(3, pixels.Color(0, 150, 0));
     pixels.setPixelColor(4, pixels.Color(0, 150, 0));
     pixels.setPixelColor(5, pixels.Color(0, 150, 0));
     pixels.setPixelColor(6, pixels.Color(0, 150, 0));
     pixels.setPixelColor(7, pixels.Color(0, 150, 0));
     pixels.setPixelColor(8, pixels.Color(0, 150, 0));
     pixels.setPixelColor(9, pixels.Color(0, 150, 0));
     pixels.setPixelColor(10, pixels.Color(0, 150, 0));
     pixels.setPixelColor(11, pixels.Color(0, 150, 0));
    pixels.show();   // Send the updated pixel colors to the hardware.

    delay(DELAYVAL); // Pause before next pass through loop
    }
    else if (average <= 75) {
    pixels.setPixelColor(0, pixels.Color(150, 0, 0));
     pixels.setPixelColor(1, pixels.Color(150, 0, 0));
     pixels.setPixelColor(2, pixels.Color(150, 0, 0));
     pixels.setPixelColor(3, pixels.Color(150, 0, 0));
     pixels.setPixelColor(4, pixels.Color(150, 0, 0));
     pixels.setPixelColor(5, pixels.Color(150, 0, 0));
     pixels.setPixelColor(6, pixels.Color(150, 0, 0));
     pixels.setPixelColor(7, pixels.Color(150, 0, 0));
     pixels.setPixelColor(8, pixels.Color(150, 0, 0));
     pixels.setPixelColor(9, pixels.Color(150, 0, 0));
     pixels.setPixelColor(10, pixels.Color(150, 0, 0));
     pixels.setPixelColor(11, pixels.Color(150, 0, 0));

    pixels.show();   // Send the updated pixel colors to the hardware.

    delay(DELAYVAL); // Pause before next pass through loop
  }
}
}