diff --git a/.gitignore b/.gitignore
index 0ba4c12..915fbcd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -48,3 +48,5 @@ JLinkLog.txt
 /MDK-ARM/DebugConfig/
 /MDK-ARM/Output/
 /~$ds18b20_locations.xlsx
+/~$PY32F002A_Pins.xlsx
+/~$PY32F002B_Pins.xlsx
diff --git a/PY32F002A_Pins.xlsx b/PY32F002A_Pins.xlsx
new file mode 100644
index 0000000..5934109
Binary files /dev/null and b/PY32F002A_Pins.xlsx differ
diff --git a/PY32F002B_Pins.xlsx b/PY32F002B_Pins.xlsx
new file mode 100644
index 0000000..6224724
Binary files /dev/null and b/PY32F002B_Pins.xlsx differ
diff --git a/py_project/Core/Dallas/ds18b20_driver.h b/py_project/Core/Dallas/ds18b20_driver.h
index b5cf8d8..5baf153 100644
--- a/py_project/Core/Dallas/ds18b20_driver.h
+++ b/py_project/Core/Dallas/ds18b20_driver.h
@@ -22,8 +22,14 @@
 #include "onewire.h"
 
 /* I/O Port ------------------------------------------------------------------*/
+#ifdef PY32F002Bx5
 #define DS_Pin        GPIO_PIN_0
 #define DS_GPIO_Port  GPIOB
+#endif
+#ifdef PY32F002Ax5
+#define DS_Pin        GPIO_PIN_3
+#define DS_GPIO_Port  GPIOA
+#endif
 
 /* Data Structure ------------------------------------------------------------*/
 #define DS18B20_DEVICE_AMOUNT		30
diff --git a/py_project/Core/Dallas/ow_port.c b/py_project/Core/Dallas/ow_port.c
index 89cfecc..e1e4592 100644
--- a/py_project/Core/Dallas/ow_port.c
+++ b/py_project/Core/Dallas/ow_port.c
@@ -8,6 +8,13 @@
 #include "onewire.h"
 #include "tim.h"
 
+#ifdef PY32F002Bx5
+#define PIN_NUMB  0
+#endif
+#ifdef PY32F002Ax5
+#define PIN_NUMB  3
+#endif
+
 /**
   * @brief  The internal function is used as gpio pin mode
   * @param  OW		OneWire HandleTypedef
@@ -18,11 +25,11 @@ void OneWire_Pin_Mode(OneWire_t* OW, PinMode Mode)
 #ifdef CMSIS_Driver
 	if(Mode == Input)
 	{
-    OW->DataPort->MODER &= ~((GPIO_MODER_MODE0_Msk) << 0);
-    OW->DataPort->MODER |= (GPIO_MODE_INPUT << (0+2));
+    OW->DataPort->MODER &= ~((GPIO_MODER_MODE0_Msk) << PIN_NUMB);
+    OW->DataPort->MODER |= (GPIO_MODE_INPUT << (PIN_NUMB));
 	}else{
-    OW->DataPort->MODER &= ~((GPIO_MODER_MODE0_Msk) << 0);
-    OW->DataPort->MODER |= (GPIO_MODE_OUTPUT_PP << 0);
+    OW->DataPort->MODER &= ~((GPIO_MODER_MODE0_Msk) << PIN_NUMB);
+    OW->DataPort->MODER |= (GPIO_MODE_OUTPUT_PP << PIN_NUMB);
 	}
 #else
 #ifdef LL_Driver
diff --git a/py_project/Core/Modbus/interface_config.h b/py_project/Core/Modbus/interface_config.h
index c877134..058de92 100644
--- a/py_project/Core/Modbus/interface_config.h
+++ b/py_project/Core/Modbus/interface_config.h
@@ -39,6 +39,9 @@
 #define RS_TIM_DeInit                 HAL_TIM_Base_MspDeInit
 #define rs_huart                      huart1
 #define rs_htim                       htim14
+
+#define RS_EnableReceive()            GPIOB->ODR |= GPIO_PIN_3
+#define RS_EnableTransmit()           GPIOB->ODR &= ~GPIO_PIN_3
 /**
   * @brief    Поменять комманды 0x03 и 0x04 местами (для LabView терминалки от двигателей)
   * @details  Терминалка от двигателей использует для чтения регистров комманду R_HOLD_REGS вместо R_IN_REGS
diff --git a/py_project/Core/Src/gpio.c b/py_project/Core/Src/gpio.c
index 6a01b7e..f3433f3 100644
--- a/py_project/Core/Src/gpio.c
+++ b/py_project/Core/Src/gpio.c
@@ -68,5 +68,15 @@ void MX_GPIO_Init(void)
   GPIOA->OSPEEDR |= (GPIO_SPEED_FREQ_LOW << GPIO_OSPEEDR_OSPEED1_Pos) |
                     (GPIO_SPEED_FREQ_LOW << GPIO_OSPEEDR_OSPEED4_Pos) |
                     (GPIO_SPEED_FREQ_LOW << GPIO_OSPEEDR_OSPEED5_Pos);
+                    
+#ifdef PY32F002Bx5
+  /*Configure LED GPIO pin : PB3 (Receive Enable) */
+  /* ��������� ����� PA1, PA4, PA5 */
+  GPIOB->MODER &= ~(GPIO_MODER_MODE3);
+  GPIOB->MODER |= (GPIO_MODE_OUTPUT_PP << GPIO_MODER_MODE3_Pos);
+  GPIOB->PUPDR &= ~(GPIO_PUPDR_PUPD3);
+  GPIOB->PUPDR |= (GPIO_NOPULL << GPIO_PUPDR_PUPD3_Pos);
+  GPIOB->OSPEEDR |= (GPIO_SPEED_FREQ_HIGH << GPIO_OSPEEDR_OSPEED3_Pos);
+#endif
 }
 /************************ (C) COPYRIGHT Puya *****END OF FILE******************/
diff --git a/py_project/Core/Src/usart.c b/py_project/Core/Src/usart.c
index fde94bc..54784d8 100644
--- a/py_project/Core/Src/usart.c
+++ b/py_project/Core/Src/usart.c
@@ -67,7 +67,8 @@ void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
     /* USART1 clock enable */
     __HAL_RCC_GPIOB_CLK_ENABLE();
     __HAL_RCC_USART1_CLK_ENABLE();
-    
+                        
+#ifdef PY32F002Bx5
     /* GPIO initialization
     PB04:TX,
     PB05:RX
@@ -89,17 +90,26 @@ void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
     GPIOB->OSPEEDR |= (GPIO_SPEED_FREQ_HIGH << GPIO_OSPEEDR_OSPEED5_Pos);
     GPIOB->AFR[0] &= ~(0xF << GPIO_AFRL_AFSEL5_Pos);
     GPIOB->AFR[0] |= (GPIO_AF1_USART1 << GPIO_AFRL_AFSEL5_Pos);
+#endif
+#ifdef PY32F002Ax5
+    GPIOA->MODER &= ~GPIO_MODER_MODE10;           // �������� ������ ��������� ��� PA2
+    GPIOA->MODER |= GPIO_MODER_MODE10_1;          // ���������� ����� �������������� ������� (AF)
+    GPIOA->OTYPER |= GPIO_OTYPER_OT10;            // ���������� ����� � ������ Open-Drain
+    GPIOA->PUPDR &= ~GPIO_PUPDR_PUPD10;           // �������� ��������
+    GPIOA->PUPDR |= GPIO_PUPDR_PUPD10_0;          // �������� �����
+    GPIOA->AFR[1] &= ~(0xF << GPIO_AFRH_AFSEL10_Pos);
+    GPIOA->AFR[1] |= (GPIO_AF1_USART1 << GPIO_AFRH_AFSEL10_Pos);
+#endif  
   
     /* USART1 interrupt Init */
     HAL_NVIC_SetPriority(USART1_IRQn, 0, 0);
     HAL_NVIC_EnableIRQ(USART1_IRQn);
-  /* USER CODE BEGIN USART1_MspInit 1 */
+    /* USER CODE BEGIN USART1_MspInit 1 */
 
-  /* USER CODE END USART1_MspInit 1 */
+    /* USER CODE END USART1_MspInit 1 */
   }
 }
 
-
 /* USER CODE BEGIN 1 */
 
 /* USER CODE END 1 */
diff --git a/py_project/MDK-ARM/PY32Dallas.uvoptx b/py_project/MDK-ARM/PY32Dallas.uvoptx
index ee57f74..6ee6c5d 100644
--- a/py_project/MDK-ARM/PY32Dallas.uvoptx
+++ b/py_project/MDK-ARM/PY32Dallas.uvoptx
@@ -987,7 +987,7 @@
 
   <Group>
     <GroupName>Drivers/PY32F002B_HAL_Driver</GroupName>
-    <tvExp>1</tvExp>
+    <tvExp>0</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>
@@ -1067,7 +1067,7 @@
 
   <Group>
     <GroupName>Drivers/PY32F002A_HAL_Driver</GroupName>
-    <tvExp>1</tvExp>
+    <tvExp>0</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>