diff --git a/examples/RadioLibExamples/SX1280/Ranging/SX128x_RangingMaster/utilities.h b/examples/RadioLibExamples/SX1280/Ranging/SX128x_RangingMaster/utilities.h
index 8e804de..625ca26 100644
--- a/examples/RadioLibExamples/SX1280/Ranging/SX128x_RangingMaster/utilities.h
+++ b/examples/RadioLibExamples/SX1280/Ranging/SX128x_RangingMaster/utilities.h
@@ -11,8 +11,9 @@
 // #define LILYGO_T3_V1_6       //NO SUPPOTR
 // #define LILYGO_T3_V2_0       //NO SUPPOTR
 // #define LILYGO_T3_V1_8
-// #define LILYGO_T3_S3_V1_0
-
+#ifndef LILYGO_T3_S3_V1_0
+#define LILYGO_T3_S3_V1_0
+#endif
 
 #define UNUSE_PIN                   (0)
 
diff --git a/examples/RadioLibExamples/SX1280/Ranging/SX128x_RangingSlave/utilities.h b/examples/RadioLibExamples/SX1280/Ranging/SX128x_RangingSlave/utilities.h
index 8e804de..3c331ac 100644
--- a/examples/RadioLibExamples/SX1280/Ranging/SX128x_RangingSlave/utilities.h
+++ b/examples/RadioLibExamples/SX1280/Ranging/SX128x_RangingSlave/utilities.h
@@ -11,7 +11,10 @@
 // #define LILYGO_T3_V1_6       //NO SUPPOTR
 // #define LILYGO_T3_V2_0       //NO SUPPOTR
 // #define LILYGO_T3_V1_8
-// #define LILYGO_T3_S3_V1_0
+#ifndef LILYGO_T3_S3_V1_0
+#define LILYGO_T3_S3_V1_0
+#endif
+
 
 
 #define UNUSE_PIN                   (0)