#define FADESPEED 5     // make this higher to slow down
#define REDPIN1 5
#define GREENPIN1 4
#define BLUEPIN1 16

#define REDPIN2 12
#define GREENPIN2 14
#define BLUEPIN2 13

void setup() {
  pinMode(REDPIN1, OUTPUT);
  pinMode(GREENPIN1, OUTPUT);
  pinMode(BLUEPIN1, OUTPUT);
  pinMode(REDPIN2, OUTPUT);
  pinMode(GREENPIN2, OUTPUT);
  pinMode(BLUEPIN2, OUTPUT);

  analogWrite(BLUEPIN1, 0);
  analogWrite(BLUEPIN2, 0);
  analogWrite(REDPIN1, 255);
  analogWrite(REDPIN2, 255);
  analogWrite(GREENPIN1, 0);
  analogWrite(GREENPIN2, 0);
}

void loop() {
  analogWrite(BLUEPIN1, 0);
  analogWrite(BLUEPIN2, 0);
  analogWrite(REDPIN1, 255);
  analogWrite(REDPIN2, 255);
  analogWrite(GREENPIN1, 0);
  analogWrite(GREENPIN2, 0);
  delay(1000);
  analogWrite(BLUEPIN1, 0);
  analogWrite(BLUEPIN2, 0);
  analogWrite(REDPIN1, 0);
  analogWrite(REDPIN2, 0);
  analogWrite(GREENPIN1, 255);
  analogWrite(GREENPIN2, 255);
  delay(1000);
  analogWrite(BLUEPIN1, 255);
  analogWrite(BLUEPIN2, 255);
  analogWrite(REDPIN1, 0);
  analogWrite(REDPIN2, 0);
  analogWrite(GREENPIN1, 0);
  analogWrite(GREENPIN2, 0);
  delay(1000);
  
}
void loop2() {
  int r, g, b;
 
  // fade from blue to violet
  for (r = 0; r < 256; r++) { 
    analogWrite(REDPIN1, r);
    analogWrite(REDPIN2, r);
    delay(FADESPEED);
  } 
  // fade from violet to red
  for (b = 255; b > 0; b--) { 
    analogWrite(BLUEPIN1, b);
    analogWrite(BLUEPIN2, b);
    delay(FADESPEED);
  } 
  // fade from red to yellow
  for (g = 0; g < 256; g++) { 
    analogWrite(GREENPIN1, g);
    analogWrite(GREENPIN2, g);
    delay(FADESPEED);
  } 
  // fade from yellow to green
  for (r = 255; r > 0; r--) { 
    analogWrite(REDPIN1, r);
    analogWrite(REDPIN2, r);
    delay(FADESPEED);
  } 
  // fade from green to teal
  for (b = 0; b < 256; b++) { 
    analogWrite(BLUEPIN1, b);
    analogWrite(BLUEPIN2, b);
    delay(FADESPEED);
  } 
  // fade from teal to blue
  for (g = 255; g > 0; g--) { 
    analogWrite(GREENPIN1, g);
    analogWrite(GREENPIN2, g);
    delay(FADESPEED);
  } 
}