const int pin2 = 16; 
const int pin0 = 17;
const int pin3 = 18;
const int pin1 = 19;

const int red = 11;
const int green = 9;
const int blue = 10;

int color_red = 0;
int color_green = 0;
int color_blue = 0;

#include <EEPROM.h>

void setup() {
  // initialize serial communications at 9600 bps:
  Serial.begin(9600); 
  
  //digitalWrite(pin0, HIGH);
  pinMode(pin0,INPUT);
  pinMode(pin1,INPUT);
  pinMode(pin2,INPUT);
  pinMode(pin3,INPUT);
  
  color_red = EEPROM.read(0);
  color_green = EEPROM.read(1);
  color_blue = EEPROM.read(2);
  
  analogWrite(red,color_red);  
  analogWrite(green,color_green); 
  analogWrite(blue,color_blue); 
  
}

void loop() {
 
  if (digitalRead(pin0)) 
  {
    color_red=color_red+1;
    if (color_red>255) color_red = 255;
    EEPROM.write(0, color_red);
    analogWrite(red,color_red);  
    analogWrite(green,color_green); 
    analogWrite(blue,color_blue); 
  } 
  if (digitalRead(pin1))
  {
    color_green=color_green+1;
    if (color_green>255) color_green = 255;
    EEPROM.write(1, color_green);
    analogWrite(red,color_red);  
    analogWrite(green,color_green); 
    analogWrite(blue,color_blue); 
  }
  if (digitalRead(pin2))
  {
    color_blue=color_blue+1;
    if (color_blue>255) color_blue = 255;
    EEPROM.write(2, color_blue);
    analogWrite(red,color_red);  
    analogWrite(green,color_green); 
    analogWrite(blue,color_blue);  
  }
  if (digitalRead(pin3)) 
  {
    color_red=0;
    color_green=0;
    color_blue=0;
    EEPROM.write(0, color_red);
    EEPROM.write(1, color_blue);
    EEPROM.write(2, color_green);
    analogWrite(red,color_red);  
    analogWrite(green,color_green); 
    analogWrite(blue,color_blue);  
  } 
  delay(10);                  
}