Index: firmware/App/Drivers/InternalADC.h
===================================================================
diff -u -r9b262ba08e3180f121c3cf19d8d25e565183f87d -r108abddcbf729f7435073116191cd3903261df8f
--- firmware/App/Drivers/InternalADC.h	(.../InternalADC.h)	(revision 9b262ba08e3180f121c3cf19d8d25e565183f87d)
+++ firmware/App/Drivers/InternalADC.h	(.../InternalADC.h)	(revision 108abddcbf729f7435073116191cd3903261df8f)
@@ -23,7 +23,12 @@
 
 #define INT_ADC_BITS_PER_CHANNEL        12
 #define INT_ADC_FULL_SCALE_BITS         4096
-#define INT_ADC_REF_V                   3.3
+#define INT_ADC_ZERO                    1998
+#ifndef BREADBOARD_TARGET
+    #define INT_ADC_REF_V                   3.0
+#else
+    #define INT_ADC_REF_V                   3.3
+#endif
 
 typedef enum Int_ADC_Channels
 {