--- tinyusbboard/pins_arduino.h	2013-02-01 05:33:35.000000000 +0900
+++ my-metaboard/pins_arduino.h	2015-11-11 23:57:59.076023000 +0900
@@ -30,7 +30,7 @@
 
 #define VUSB_INTR_VECTOR			INT0_vect
 #define VUSB_CFG_IOPORTNAME			D
-#define VUSB_CFG_DMINUS_BIT			7
+#define VUSB_CFG_DMINUS_BIT			4
 #define VUSB_CFG_DPLUS_BIT			2
 
 #define VUSB_CFG_CHECK_CRC			0
@@ -67,7 +67,8 @@
 
 static const uint8_t SDA = 18;
 static const uint8_t SCL = 19;
-static const uint8_t LED_BUILTIN = 13;
+//static const uint8_t LED_BUILTIN = 13;
+static const uint8_t LED_BUILTIN = 15;
 
 static const uint8_t A0 = 14;
 static const uint8_t A1 = 15;