Add support for RGB second blinker

Author: iHaveBecomeDeath

Binary_clock.ino

@@ -4,16 +4,19 @@
 #include <Wire.h>
 
 const int hourPins[] = {2, 3, 4, 5, 6};
-const int minutePins[] = {7, 8, 9, 10, 11, 12};
-const int secondPin = 13;
-const bool blinkSecondPin = true;
+const int minutePins[] = {7, 8, 9, 14, 15, 16};
+const int secondRed = 10;
+const int secondGreen = 11;
+const int secondBlue = 12;
+const bool blinkSecondPins = true;
 int amountOfMinutePins = 6;
 int amountOfHourPins = 5;
 int previousSecond = 0;
 int previousMinute = 0;
 int previousHour = 0;
 
 void setup() {
+  Serial.begin(9600);
   setSyncProvider(RTC.get);
   setSyncInterval(100);
 
@@ -24,15 +27,19 @@ void setup() {
   for (i = 0; i < amountOfMinutePins ; i++){
     initOutputPin(minutePins[i]);
    }
-  initOutputPin(secondPin);
+  pinMode(secondRed, OUTPUT);
+  pinMode(secondGreen, OUTPUT);
+  pinMode(secondBlue, OUTPUT);
+  
   updateMinutes(minute());
   updateHours(hour());
+  updateSecondColor(second());
 }
 
 void loop() {
   int curSec = second();
     if ((previousSecond < curSec) ||  (previousSecond > curSec && previousSecond == 59)){
-      toggleSecondPin();
+      toggleSecondPins(curSec);
       previousSecond = curSec;
     } 
   int curMin = minute();
@@ -81,10 +88,44 @@ void updateHours(int hrs){
   }  
 }
 
-void toggleSecondPin(){
-  if (blinkSecondPin){
-    togglePin(secondPin);
+void toggleSecondPins(int seconds){
+  if (seconds % 2 == 0) {
+    writeSecondColor(0,0,0);
+  } else {
+    updateSecondColor(seconds);
+  }
+}
+
+void updateSecondColor(int seconds){
+  int red = 0;
+  int green = 0;
+  int blue = 0;
+  if (seconds <= 21){
+    blue = seconds*2;
+  } else if (seconds <= 41){
+    red = seconds;
+    blue = 41 - seconds;
+  } else {
+    red = 60 - seconds;
+    green = seconds;
   }
+   Serial.print("Second: ");
+   Serial.print(seconds);
+   Serial.print(", red: ");
+   Serial.print(red);
+   Serial.print(", green: ");
+   Serial.print(green);
+   Serial.print(", blue: ");
+   Serial.print(blue);
+   Serial.println("");
+
+  writeSecondColor(red, green, blue);
+}
+
+void writeSecondColor(int red, int green, int blue){
+  analogWrite(secondRed, red);
+  analogWrite(secondGreen, green);
+  analogWrite(secondBlue, blue);
 }
 
 void togglePin(int pinNumber){