diff --git a/john103C6T6/Core/Inc/Proj_setup.h b/john103C6T6/Core/Inc/Proj_setup.h
index 49baae8..b3c831d 100644
--- a/john103C6T6/Core/Inc/Proj_setup.h
+++ b/john103C6T6/Core/Inc/Proj_setup.h
@@ -4,7 +4,9 @@
 //**********BEGIN 	defines***********
 //#define OldVer
 #define MAX_SENSE 32 // НЕ ДЕЛАТЬ МЕНЬШЕ 16
-#define project 	new_ver//old	//new	
+#define new_ver 1
+#define old_ver 0
+#define project 	old_ver	//new_ver//	
 
 
 
diff --git a/john103C6T6/Core/Src/stm32f1xx_it.c b/john103C6T6/Core/Src/stm32f1xx_it.c
index 40d0b0d..f567e90 100644
--- a/john103C6T6/Core/Src/stm32f1xx_it.c
+++ b/john103C6T6/Core/Src/stm32f1xx_it.c
@@ -315,7 +315,12 @@ static uint8_t first_in=1;
 void USART1_IRQHandler(void)
 {
   /* USER CODE BEGIN USART1_IRQn 0 */
+#if (project== old_ver)
+ RS_UART_Handler(&hmodbus1);
+    return;
+#endif
 
+	
   /* USER CODE END USART1_IRQn 0 */
   HAL_UART_IRQHandler(&huart1);
   /* USER CODE BEGIN USART1_IRQn 1 */
@@ -331,8 +336,10 @@ void USART1_IRQHandler(void)
 void USART2_IRQHandler(void)
 {
   /* USER CODE BEGIN USART2_IRQn 0 */
+#if (project== new_ver)
  RS_UART_Handler(&hmodbus1);
     return;
+#endif
   /* USER CODE END USART2_IRQn 0 */
   HAL_UART_IRQHandler(&huart2);
   /* USER CODE BEGIN USART2_IRQn 1 */