diff --git a/Cart_Reader/Config.h b/Cart_Reader/Config.h
index 0b8b6aa..7b88178 100644
--- a/Cart_Reader/Config.h
+++ b/Cart_Reader/Config.h
@@ -31,7 +31,7 @@
 
 //#define HW5
 //#define HW4
-#define HW3
+//#define HW3
 //#define HW2
 //#define HW1
 //#define SERIAL_MONITOR