diff --git a/src/OV767X_TinyMLx.h b/src/OV767X_TinyMLx.h
index 51108e5..f1f0e86 100644
--- a/src/OV767X_TinyMLx.h
+++ b/src/OV767X_TinyMLx.h
@@ -8,19 +8,7 @@
 #define _OV767X_H_
 
 #include <Arduino.h>
-
-#define OV7670_VSYNC 8
-#define OV7670_HREF  A1
-#define OV7670_PLK   A0
-#define OV7670_XCLK  9
-#define OV7670_D0    10
-#define OV7670_D1    1
-#define OV7670_D2    0
-#define OV7670_D3    2
-#define OV7670_D4    3
-#define OV7670_D5    5
-#define OV7670_D6    6
-#define OV7670_D7    4
+#include "TinyMLx_board.h"
 
 enum
 {
diff --git a/src/TinyMLShield.h b/src/TinyMLShield.h
index 7b9dc41..5fb2435 100644
--- a/src/TinyMLShield.h
+++ b/src/TinyMLShield.h
@@ -1,5 +1,5 @@
 #include "Arduino_OV767X_TinyMLx.h"
-#define BUTTON_PIN 13
+#include "TinyMLx_board.h"
 
 // Custom shield button pin setting
 void nrf_gpio_cfg_out_with_input(uint32_t pin_number) {
diff --git a/src/TinyMLx_board.h b/src/TinyMLx_board.h
new file mode 100644
index 0000000..baa30fc
--- /dev/null
+++ b/src/TinyMLx_board.h
@@ -0,0 +1,23 @@
+
+#pragma once
+
+#ifdef USE_TinyMLx_custom_board
+#include "TinyMLx_custom_board.h"
+#else
+
+#define OV7670_VSYNC 8
+#define OV7670_HREF  A1
+#define OV7670_PLK   A0
+#define OV7670_XCLK  9
+#define OV7670_D0    10
+#define OV7670_D1    1
+#define OV7670_D2    0
+#define OV7670_D3    2
+#define OV7670_D4    3
+#define OV7670_D5    5
+#define OV7670_D6    6
+#define OV7670_D7    4
+
+#define BUTTON_PIN 13
+
+#endif
\ No newline at end of file