diff --git a/src/main.c b/src/main.c
index 734eb33..40d4430 100644
--- a/src/main.c
+++ b/src/main.c
@@ -43,6 +43,8 @@ ADC_HandleTypeDef hadc1;
 
 SPI_HandleTypeDef hspi1;
 
+TIM_HandleTypeDef htim1;
+
 /* USER CODE BEGIN PV */
 /* Private variables ---------------------------------------------------------*/
 
@@ -54,6 +56,10 @@ void Error_Handler(void);
 static void MX_GPIO_Init(void);
 static void MX_ADC1_Init(void);
 static void MX_SPI1_Init(void);
+static void MX_TIM1_Init(void);
+
+void HAL_TIM_MspPostInit(TIM_HandleTypeDef *htim);
+                
 
 /* USER CODE BEGIN PFP */
 /* Private function prototypes -----------------------------------------------*/
@@ -84,6 +90,7 @@ int main(void)
   MX_GPIO_Init();
   MX_ADC1_Init();
   MX_SPI1_Init();
+  MX_TIM1_Init();
 
   /* USER CODE BEGIN 2 */
   my_setup_2();
@@ -205,6 +212,72 @@ static void MX_SPI1_Init(void)
 
 }
 
+/* TIM1 init function */
+static void MX_TIM1_Init(void)
+{
+
+  TIM_ClockConfigTypeDef sClockSourceConfig;
+  TIM_MasterConfigTypeDef sMasterConfig;
+  TIM_BreakDeadTimeConfigTypeDef sBreakDeadTimeConfig;
+  TIM_OC_InitTypeDef sConfigOC;
+
+  htim1.Instance = TIM1;
+  htim1.Init.Prescaler = 36;
+  htim1.Init.CounterMode = TIM_COUNTERMODE_UP;
+  htim1.Init.Period = 1000;
+  htim1.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
+  htim1.Init.RepetitionCounter = 0;
+  if (HAL_TIM_Base_Init(&htim1) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+  sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
+  if (HAL_TIM_ConfigClockSource(&htim1, &sClockSourceConfig) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+  if (HAL_TIM_OC_Init(&htim1) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+  sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
+  sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
+  if (HAL_TIMEx_MasterConfigSynchronization(&htim1, &sMasterConfig) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+  sBreakDeadTimeConfig.OffStateRunMode = TIM_OSSR_DISABLE;
+  sBreakDeadTimeConfig.OffStateIDLEMode = TIM_OSSI_DISABLE;
+  sBreakDeadTimeConfig.LockLevel = TIM_LOCKLEVEL_OFF;
+  sBreakDeadTimeConfig.DeadTime = 0;
+  sBreakDeadTimeConfig.BreakState = TIM_BREAK_DISABLE;
+  sBreakDeadTimeConfig.BreakPolarity = TIM_BREAKPOLARITY_HIGH;
+  sBreakDeadTimeConfig.AutomaticOutput = TIM_AUTOMATICOUTPUT_DISABLE;
+  if (HAL_TIMEx_ConfigBreakDeadTime(&htim1, &sBreakDeadTimeConfig) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+  sConfigOC.OCMode = TIM_OCMODE_TOGGLE;
+  sConfigOC.Pulse = 100;
+  sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
+  sConfigOC.OCNPolarity = TIM_OCNPOLARITY_HIGH;
+  sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
+  sConfigOC.OCIdleState = TIM_OCIDLESTATE_RESET;
+  sConfigOC.OCNIdleState = TIM_OCNIDLESTATE_RESET;
+  if (HAL_TIM_OC_ConfigChannel(&htim1, &sConfigOC, TIM_CHANNEL_1) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+  HAL_TIM_MspPostInit(&htim1);
+
+}
+
 /** Configure pins as 
         * Analog 
         * Input 
diff --git a/src/main.c-bak b/src/main.c-bak
index 5c6ecbe..91f9971 100644
--- a/src/main.c-bak
+++ b/src/main.c-bak
@@ -42,6 +42,8 @@ ADC_HandleTypeDef hadc1;
 
 SPI_HandleTypeDef hspi1;
 
+TIM_HandleTypeDef htim1;
+
 /* USER CODE BEGIN PV */
 /* Private variables ---------------------------------------------------------*/
 
@@ -53,6 +55,10 @@ void Error_Handler(void);
 static void MX_GPIO_Init(void);
 static void MX_ADC1_Init(void);
 static void MX_SPI1_Init(void);
+static void MX_TIM1_Init(void);
+
+void HAL_TIM_MspPostInit(TIM_HandleTypeDef *htim);
+                
 
 /* USER CODE BEGIN PFP */
 /* Private function prototypes -----------------------------------------------*/
@@ -82,6 +88,7 @@ int main(void)
   MX_GPIO_Init();
   MX_ADC1_Init();
   MX_SPI1_Init();
+  MX_TIM1_Init();
 
   /* USER CODE BEGIN 2 */
 
@@ -201,6 +208,72 @@ static void MX_SPI1_Init(void)
 
 }
 
+/* TIM1 init function */
+static void MX_TIM1_Init(void)
+{
+
+  TIM_ClockConfigTypeDef sClockSourceConfig;
+  TIM_MasterConfigTypeDef sMasterConfig;
+  TIM_BreakDeadTimeConfigTypeDef sBreakDeadTimeConfig;
+  TIM_OC_InitTypeDef sConfigOC;
+
+  htim1.Instance = TIM1;
+  htim1.Init.Prescaler = 0;
+  htim1.Init.CounterMode = TIM_COUNTERMODE_UP;
+  htim1.Init.Period = 0;
+  htim1.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
+  htim1.Init.RepetitionCounter = 0;
+  if (HAL_TIM_Base_Init(&htim1) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+  sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
+  if (HAL_TIM_ConfigClockSource(&htim1, &sClockSourceConfig) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+  if (HAL_TIM_OC_Init(&htim1) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+  sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
+  sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
+  if (HAL_TIMEx_MasterConfigSynchronization(&htim1, &sMasterConfig) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+  sBreakDeadTimeConfig.OffStateRunMode = TIM_OSSR_DISABLE;
+  sBreakDeadTimeConfig.OffStateIDLEMode = TIM_OSSI_DISABLE;
+  sBreakDeadTimeConfig.LockLevel = TIM_LOCKLEVEL_OFF;
+  sBreakDeadTimeConfig.DeadTime = 0;
+  sBreakDeadTimeConfig.BreakState = TIM_BREAK_DISABLE;
+  sBreakDeadTimeConfig.BreakPolarity = TIM_BREAKPOLARITY_HIGH;
+  sBreakDeadTimeConfig.AutomaticOutput = TIM_AUTOMATICOUTPUT_DISABLE;
+  if (HAL_TIMEx_ConfigBreakDeadTime(&htim1, &sBreakDeadTimeConfig) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+  sConfigOC.OCMode = TIM_OCMODE_TOGGLE;
+  sConfigOC.Pulse = 10000;
+  sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
+  sConfigOC.OCNPolarity = TIM_OCNPOLARITY_HIGH;
+  sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
+  sConfigOC.OCIdleState = TIM_OCIDLESTATE_RESET;
+  sConfigOC.OCNIdleState = TIM_OCNIDLESTATE_RESET;
+  if (HAL_TIM_OC_ConfigChannel(&htim1, &sConfigOC, TIM_CHANNEL_1) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+  HAL_TIM_MspPostInit(&htim1);
+
+}
+
 /** Configure pins as 
         * Analog 
         * Input 
diff --git a/src/stm32f1xx_hal_msp.c b/src/stm32f1xx_hal_msp.c
index f46cf68..79c7c37 100644
--- a/src/stm32f1xx_hal_msp.c
+++ b/src/stm32f1xx_hal_msp.c
@@ -185,6 +185,65 @@ void HAL_SPI_MspDeInit(SPI_HandleTypeDef* hspi)
 
 }
 
+void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* htim_base)
+{
+
+  if(htim_base->Instance==TIM1)
+  {
+  /* USER CODE BEGIN TIM1_MspInit 0 */
+
+  /* USER CODE END TIM1_MspInit 0 */
+    /* Peripheral clock enable */
+    __HAL_RCC_TIM1_CLK_ENABLE();
+  /* USER CODE BEGIN TIM1_MspInit 1 */
+
+  /* USER CODE END TIM1_MspInit 1 */
+  }
+
+}
+
+void HAL_TIM_MspPostInit(TIM_HandleTypeDef* htim)
+{
+
+  GPIO_InitTypeDef GPIO_InitStruct;
+  if(htim->Instance==TIM1)
+  {
+  /* USER CODE BEGIN TIM1_MspPostInit 0 */
+
+  /* USER CODE END TIM1_MspPostInit 0 */
+  
+    /**TIM1 GPIO Configuration    
+    PA8     ------> TIM1_CH1 
+    */
+    GPIO_InitStruct.Pin = BUZZER_Pin;
+    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+    HAL_GPIO_Init(BUZZER_GPIO_Port, &GPIO_InitStruct);
+
+  /* USER CODE BEGIN TIM1_MspPostInit 1 */
+
+  /* USER CODE END TIM1_MspPostInit 1 */
+  }
+
+}
+
+void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* htim_base)
+{
+
+  if(htim_base->Instance==TIM1)
+  {
+  /* USER CODE BEGIN TIM1_MspDeInit 0 */
+
+  /* USER CODE END TIM1_MspDeInit 0 */
+    /* Peripheral clock disable */
+    __HAL_RCC_TIM1_CLK_DISABLE();
+  }
+  /* USER CODE BEGIN TIM1_MspDeInit 1 */
+
+  /* USER CODE END TIM1_MspDeInit 1 */
+
+}
+
 /* USER CODE BEGIN 1 */
 
 /* USER CODE END 1 */