diff --git a/CVReader.ino b/CVReader.ino
index 57f69cd..6ae7f53 100644
--- a/CVReader.ino
+++ b/CVReader.ino
@@ -71,8 +71,14 @@ DCCEXParser  serialParser;
 
 // Try monitoring the memory
 #include "freeMemory.h"
-//int minMemory=32767;
+// TODO: this should be automated instead of ifdef
+#if defined(ARDUINO_AVR_MEGA2560)
+int minMemory=32767;
+#elif defined(ARDUINO_AVR_UNO)
 int minMemory=2048;
+#else
+#error CANNOT COMPILE - Unkown board, can not determine amount of RAM available.
+#endif
 
 void setup() {
 
diff --git a/Config.h b/Config.h
index 6e517f3..3018210 100644
--- a/Config.h
+++ b/Config.h
@@ -1,6 +1,9 @@
 #ifndef Config_h
 #define Config_h
 
+// Define this if you have a WiFi board on Serial1
+// #define WIFI
+
 // This hardware configuration would normally be setup using a bunch of #ifdefs.
 
 const byte MAIN_POWER_PIN = 3;