diff --git a/Core/Inc/cansend.h b/Core/Inc/cansend.h
new file mode 100644
index 0000000..713aeb5
--- /dev/null
+++ b/Core/Inc/cansend.h
@@ -0,0 +1,26 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file           : CANSEND.h
+  * @brief          : Header for cansend.c file.
+  *                   This file contains the defines related to CAN data sent
+  *                   via UART/USART and save via .
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2026 Erick Ahmed.
+  *
+  * SPDX-License-Identifier: GPL-3.0-or-later
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef CANSEND_H
+#define CANSEND_H
+
+void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart);
+void vUARTLogger(void *argument);
+
+#endif /* CANSEND_H */
diff --git a/Core/Src/cansend.c b/Core/Src/cansend.c
new file mode 100644
index 0000000..55ee5c2
--- /dev/null
+++ b/Core/Src/cansend.c
@@ -0,0 +1,24 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file           : cansend.c
+  * @brief          : Send logged SAE J1939 CAN via serial and save via SDIO.
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2026 Erick Ahmed.
+  *
+  * SPDX-License-Identifier: GPL-3.0-or-later
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+/* Includes ------------------------------------------------------------------*/
+#include "cansend.h"
+/* Private includes ----------------------------------------------------------*/
+/* USER CODE BEGIN Includes */
+#include "cmsis_os.h"
+/* USER CODE END Includes */
+
+void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart);
+void vUARTLogger(void *argument);
diff --git a/Core/Src/main.c b/Core/Src/main.c
index 27eb058..2e1a4b5 100644
--- a/Core/Src/main.c
+++ b/Core/Src/main.c
@@ -20,6 +20,7 @@
 /* Private includes ----------------------------------------------------------*/
 /* USER CODE BEGIN Includes */
 #include "canlog.h"
+#include "cansend.h"
 /* USER CODE END Includes */
 
 /* Private typedef -----------------------------------------------------------*/