diff --git a/Arduino/CanGrow/CanGrow.ino b/Arduino/CanGrow/CanGrow.ino
index a737ebe..456fb60 100644
--- a/Arduino/CanGrow/CanGrow.ino
+++ b/Arduino/CanGrow/CanGrow.ino
@@ -131,6 +131,10 @@ void setup() {
   LoadConfig();
   Wifi_Init();
   Webserver_Init();
+  Serial.printf("Usable Pins: %d\n", PinIndex_length);
+  for(byte i = 0; i < PinIndex_length; i++) {
+    Serial.printf("Pin Index: %d, GPIO: %d, Notes: %d\n", i, PinIndex[i].gpio, PinIndex[i].note);
+  }
   
 }
 
diff --git a/Arduino/CanGrow/include/CanGrow.h b/Arduino/CanGrow/include/CanGrow.h
index 87d313f..3fa3018 100644
--- a/Arduino/CanGrow/include/CanGrow.h
+++ b/Arduino/CanGrow/include/CanGrow.h
@@ -105,20 +105,19 @@ Config config;
 /* actual structure initialization for Pin_Index is done within the header files
  * for ESP32 and ESP8266
  * 
- * notes explenation:
- *   - BF_L: BootFails when LOW
- *   - BF_H: BootFails when HIGH
- *   - FM_L: FlashMode needs LOW to enter
- *   - IN_O: Input Only
+ * Pin_Index.note explenation:
+ *   1 - BF_L: BootFails when LOW
+ *   2 - BF_H: BootFails when HIGH
+ *   3 - FM_L: FlashMode needs LOW to enter
+ *   4 - IN_O: Input Only
  */
-const char* BF_L = "BF_L";
-const char* BF_H = "BF_H";
-const char* FM_L = "FM_L";
-const char* IN_O = "IN_O";
+const byte BF_L = 1;
+const byte BF_H = 2;
+const byte FM_L = 3;
+const byte IN_O = 4;
 
 struct Pin_Index {
   const byte gpio;
-  const char* notes[8];
-  char* usedBy[8];
+  const byte note;
 };
 
diff --git a/Arduino/CanGrow/include/CanGrow_ESP32.h b/Arduino/CanGrow/include/CanGrow_ESP32.h
index 4e3ea05..0a63606 100644
--- a/Arduino/CanGrow/include/CanGrow_ESP32.h
+++ b/Arduino/CanGrow/include/CanGrow_ESP32.h
@@ -61,9 +61,9 @@
 
 
 // 
-const byte pinIndex_length = 21;
+const byte PinIndex_length = 21;
 // initialize pinIndex with all usable GPIOs
-Pin_Index pinIndex[] = {  { 0, FM_L },
+Pin_Index PinIndex[] = {  { 0, FM_L },
                           { 4 },
                           { 5 },
                           { 12, BF_H },
diff --git a/Arduino/CanGrow/include/CanGrow_ESP8266.h b/Arduino/CanGrow/include/CanGrow_ESP8266.h
index 0921818..b3215fb 100644
--- a/Arduino/CanGrow/include/CanGrow_ESP8266.h
+++ b/Arduino/CanGrow/include/CanGrow_ESP8266.h
@@ -45,9 +45,9 @@
  * - GPIO 16 / D0
  */
 
-const byte pinIndex_length = 6;
+const byte PinIndex_length = 6;
 // initialize pinIndex with all usable GPIOs
-Pin_Index pinIndex[] = {  { 0, BF_L },
+Pin_Index PinIndex[] = {  { 0, BF_L },
                           { 12 },
                           { 13 },
                           { 14 },