diff --git a/include/main.h b/include/main.h
new file mode 100644
index 0000000..71cddd1
--- /dev/null
+++ b/include/main.h
@@ -0,0 +1,9 @@
+#ifndef __MAIN_H_
+#define __MAIN_H_
+
+#include "esp32-lora.h"
+
+extern uint8_t mac[6];
+extern lora32_cfg_t lora;
+
+#endif