diff --git a/ESP-IDF_Robot_RC/main/controller.h b/ESP-IDF_Robot_RC/main/controller.h
index 6f41e9635..1c9e22b6b 100644
--- a/ESP-IDF_Robot_RC/main/controller.h
+++ b/ESP-IDF_Robot_RC/main/controller.h
@@ -5,4 +5,6 @@
 #ifndef CONTROLLER_H
 #define CONTROLLER_H
 
+void sensors_data_prepare(espnow_data_packet_t *send_packet);
+
 #endif
\ No newline at end of file