diff --git a/IODue.cpp b/IODue.cpp
index 85d039a..5e0060a 100644
--- a/IODue.cpp
+++ b/IODue.cpp
@@ -29,6 +29,10 @@
 #define PIN_COS                7
 #define PIN_PTT                8
 #define PIN_COSLED             11
+#define PIN_DSTAR              16
+#define PIN_DMR                17
+#define PIN_YSF                18
+#define PIN_P25                19
 #define ADC_CHER_Chan          (1<<7)                 // ADC on Due pin A0  - Due AD7 - (1 << 7)
 #define ADC_ISR_EOC_Chan       ADC_ISR_EOC7
 #define ADC_CDR_Chan           7