   int min_value = 0;
   int max_value = 150;
   
-  led_yellow(pwm_green);
-  
-  pwm_green = pwm_green + fader_green;
-  
-  if ( pwm_green > max_value+1 ) {
-    pwm_green = max_value;
-  }
-
-  if ( pwm_green <= min_value || pwm_green >= max_value ) {
-    fader_green = -fader_green;
-  }
-
-  if (fader_green > 0) {
+  led_red(pwm_yellow);
+  
+  pwm_yellow = pwm_yellow + fader_yellow;
+  
+  if ( pwm_yellow > max_value+1 ) {
+    pwm_yellow = max_value;
+  }
+
+  if ( pwm_yellow <= min_value || pwm_yellow >= max_value ) {
+    fader_yellow = -fader_yellow;
+  }
+
+  if (fader_yellow > 0) {
    delay(ms);
   } else {
    delay(ms/3);

}

void animate_hungup() {
  analogWrite(LED_R, 255-c_r);
  analogWrite(LED_G, 255);
  analogWrite(LED_B, 255);

  c_r = c_r + fade_r;

  if ( c_r <= 0 || c_r >= 255 ) {
    fade_r = -fade_r;
  }

  delay(20);
}


int pwm_red = 0;
int pwm_green = 0;
int pwm_blue = 0;
int pwm_yellow = 0;

int fader_red = 7;
int fader_green = 3;
int fader_blue = 15;
int fader_yellow = 10;

int incomingByte = 0;
int receivedHeartbeat = 0;
