diff --git a/avrIOhelper/io-helper.h b/avrIOhelper/io-helper.h
index 3db4dfa..bd8651e 100644
--- a/avrIOhelper/io-helper.h
+++ b/avrIOhelper/io-helper.h
@@ -141,8 +141,12 @@ void ioHelperEdgeDetector(void);
 #define BTN_ABZUG_PLUS_FEIN     BitPinK6
 #define BTN_ABZUG_MINUS_FEIN    BitPinK7
 
-#define BTN_INIT                BitPinF4
+#define BTN_WICKELN_EIN         BitPinF5
+#define BTN_WICKELN_AUS         BitPinF6
 #define BTN_TAENZER_START       BitPinF7
+#define BTN_SPULENWECHSEL       BitPinK0
+
+#define BTN_INIT                BitPinF4
 #define IN_TAENZER_HOME         BitPinF0
 
 #endif