diff --git a/BluepillTrouba.ioc b/BluepillTrouba.ioc
index 2280727..d087fba 100644
--- a/BluepillTrouba.ioc
+++ b/BluepillTrouba.ioc
@@ -42,8 +42,7 @@ Mcu.CPN=STM32F103CBT6
 Mcu.Family=STM32F1
 Mcu.IP0=ADC1
 Mcu.IP1=DMA
-Mcu.IP10=TIM4
-Mcu.IP11=USART1
+Mcu.IP10=USART1
 Mcu.IP2=FREERTOS
 Mcu.IP3=IWDG
 Mcu.IP4=NVIC
@@ -51,8 +50,8 @@ Mcu.IP5=RCC
 Mcu.IP6=SPI1
 Mcu.IP7=SYS
 Mcu.IP8=TIM2
-Mcu.IP9=TIM3
-Mcu.IPNb=12
+Mcu.IP9=TIM4
+Mcu.IPNb=11
 Mcu.Name=STM32F103C(8-B)Tx
 Mcu.Package=LQFP48
 Mcu.Pin0=PC13-TAMPER-RTC
@@ -73,7 +72,6 @@ Mcu.Pin21=VP_FREERTOS_VS_CMSIS_V2
 Mcu.Pin22=VP_IWDG_VS_IWDG
 Mcu.Pin23=VP_SYS_VS_tim1
 Mcu.Pin24=VP_TIM2_VS_ClockSourceINT
-Mcu.Pin25=VP_TIM3_VS_ClockSourceINT
 Mcu.Pin3=PA0-WKUP
 Mcu.Pin4=PA1
 Mcu.Pin5=PA5
@@ -81,7 +79,7 @@ Mcu.Pin6=PA6
 Mcu.Pin7=PA7
 Mcu.Pin8=PB0
 Mcu.Pin9=PB1
-Mcu.PinsNb=26
+Mcu.PinsNb=25
 Mcu.ThirdPartyNb=0
 Mcu.UserConstants=
 Mcu.UserName=STM32F103CBTx
@@ -129,10 +127,10 @@ PA5.GPIOParameters=GPIO_Label
 PA5.GPIO_Label=OLED_SCLK
 PA5.Mode=TX_Only_Simplex_Unidirect_Master
 PA5.Signal=SPI1_SCK
-PA6.GPIOParameters=GPIO_Speed,GPIO_Label
+PA6.GPIOParameters=GPIO_Label
 PA6.GPIO_Label=HEATER
-PA6.GPIO_Speed=GPIO_SPEED_FREQ_HIGH
-PA6.Signal=S_TIM3_CH1
+PA6.Locked=true
+PA6.Signal=GPIO_Output
 PA7.GPIOParameters=GPIO_Label
 PA7.GPIO_Label=OLED_MOSI
 PA7.Mode=TX_Only_Simplex_Unidirect_Master
@@ -231,8 +229,6 @@ SH.ADCx_IN1.0=ADC1_IN1,IN1
 SH.ADCx_IN1.ConfNb=1
 SH.S_TIM2_CH1_ETR.0=TIM2_CH1,PWM Generation1 CH1
 SH.S_TIM2_CH1_ETR.ConfNb=1
-SH.S_TIM3_CH1.0=TIM3_CH1,PWM Generation1 CH1
-SH.S_TIM3_CH1.ConfNb=1
 SH.S_TIM4_CH1.0=TIM4_CH1,Encoder_Interface
 SH.S_TIM4_CH1.ConfNb=1
 SH.S_TIM4_CH2.0=TIM4_CH2,Encoder_Interface
@@ -246,11 +242,6 @@ SPI1.VirtualType=VM_MASTER
 TIM2.Channel-PWM\ Generation1\ CH1=TIM_CHANNEL_1
 TIM2.IPParameters=Channel-PWM Generation1 CH1,Prescaler
 TIM2.Prescaler=2
-TIM3.Channel-PWM\ Generation1\ CH1=TIM_CHANNEL_1
-TIM3.IPParameters=Channel-PWM Generation1 CH1,Prescaler,Pulse-PWM Generation1 CH1,Period
-TIM3.Period=65535
-TIM3.Prescaler=2
-TIM3.Pulse-PWM\ Generation1\ CH1=0
 TIM4.IC2Filter=15
 TIM4.IPParameters=IC2Filter,Prescaler
 TIM4.Prescaler=0
@@ -269,6 +260,4 @@ VP_SYS_VS_tim1.Mode=TIM1
 VP_SYS_VS_tim1.Signal=SYS_VS_tim1
 VP_TIM2_VS_ClockSourceINT.Mode=Internal
 VP_TIM2_VS_ClockSourceINT.Signal=TIM2_VS_ClockSourceINT
-VP_TIM3_VS_ClockSourceINT.Mode=Internal
-VP_TIM3_VS_ClockSourceINT.Signal=TIM3_VS_ClockSourceINT
 board=custom
diff --git a/Core/Inc/tim.h b/Core/Inc/tim.h
index 9f1cdf9..280ba03 100644
--- a/Core/Inc/tim.h
+++ b/Core/Inc/tim.h
@@ -34,8 +34,6 @@ extern "C" {
 
 extern TIM_HandleTypeDef htim2;
 
-extern TIM_HandleTypeDef htim3;
-
 extern TIM_HandleTypeDef htim4;
 
 /* USER CODE BEGIN Private defines */
@@ -43,7 +41,6 @@ extern TIM_HandleTypeDef htim4;
 /* USER CODE END Private defines */
 
 void MX_TIM2_Init(void);
-void MX_TIM3_Init(void);
 void MX_TIM4_Init(void);
 
 void HAL_TIM_MspPostInit(TIM_HandleTypeDef *htim);
diff --git a/Core/Src/app_heater.c b/Core/Src/app_heater.c
index 77e1f9d..c6ce038 100644
--- a/Core/Src/app_heater.c
+++ b/Core/Src/app_heater.c
@@ -8,18 +8,18 @@
 
 void app_heater_init()
 {
-    HAL_TIM_PWM_Start(&htim3, TIM_CHANNEL_1);
-    TIM3->ARR = 25714;
+//    HAL_TIM_PWM_Start(&htim3, TIM_CHANNEL_1);
+//    TIM3->ARR = 25714;
 }
 
 
 void app_heater_set(bool active)
 {
-    if (active) {
-        TIM3->CCR1 = TIM3->ARR / 2; // testing - 50%
-    } else {
-        TIM3->CCR1 = 0;
-    }
+//    if (active) {
+//        TIM3->CCR1 = TIM3->ARR / 2; // testing - 50%
+//    } else {
+//        TIM3->CCR1 = 0;
+//    }
 
-    //HAL_GPIO_WritePin(HEATER_GPIO_Port, HEATER_Pin, active);
+    HAL_GPIO_WritePin(HEATER_GPIO_Port, HEATER_Pin, active);
 }
diff --git a/Core/Src/gpio.c b/Core/Src/gpio.c
index c20a16c..051092a 100644
--- a/Core/Src/gpio.c
+++ b/Core/Src/gpio.c
@@ -53,6 +53,9 @@ void MX_GPIO_Init(void)
   /*Configure GPIO pin Output Level */
   HAL_GPIO_WritePin(LED_GPIO_Port, LED_Pin, GPIO_PIN_RESET);
 
+  /*Configure GPIO pin Output Level */
+  HAL_GPIO_WritePin(HEATER_GPIO_Port, HEATER_Pin, GPIO_PIN_RESET);
+
   /*Configure GPIO pin Output Level */
   HAL_GPIO_WritePin(GPIOB, OLED_CS_Pin|OLED_DC_Pin|OLED_RST_Pin, GPIO_PIN_RESET);
 
@@ -63,6 +66,13 @@ void MX_GPIO_Init(void)
   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
   HAL_GPIO_Init(LED_GPIO_Port, &GPIO_InitStruct);
 
+  /*Configure GPIO pin : PtPin */
+  GPIO_InitStruct.Pin = HEATER_Pin;
+  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+  GPIO_InitStruct.Pull = GPIO_NOPULL;
+  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+  HAL_GPIO_Init(HEATER_GPIO_Port, &GPIO_InitStruct);
+
   /*Configure GPIO pins : PBPin PBPin PBPin */
   GPIO_InitStruct.Pin = OLED_CS_Pin|OLED_DC_Pin|OLED_RST_Pin;
   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
diff --git a/Core/Src/main.c b/Core/Src/main.c
index 458a762..8b9119f 100644
--- a/Core/Src/main.c
+++ b/Core/Src/main.c
@@ -104,7 +104,6 @@ int main(void)
   MX_DMA_Init();
   MX_TIM4_Init();
   MX_TIM2_Init();
-  MX_TIM3_Init();
   /* USER CODE BEGIN 2 */
   /* USER CODE END 2 */
 
diff --git a/Core/Src/tim.c b/Core/Src/tim.c
index 8c6ca91..54d2995 100644
--- a/Core/Src/tim.c
+++ b/Core/Src/tim.c
@@ -25,7 +25,6 @@
 /* USER CODE END 0 */
 
 TIM_HandleTypeDef htim2;
-TIM_HandleTypeDef htim3;
 TIM_HandleTypeDef htim4;
 
 /* TIM2 init function */
@@ -81,60 +80,6 @@ void MX_TIM2_Init(void)
   /* USER CODE END TIM2_Init 2 */
   HAL_TIM_MspPostInit(&htim2);
 
-}
-/* TIM3 init function */
-void MX_TIM3_Init(void)
-{
-
-  /* USER CODE BEGIN TIM3_Init 0 */
-
-  /* USER CODE END TIM3_Init 0 */
-
-  TIM_ClockConfigTypeDef sClockSourceConfig = {0};
-  TIM_MasterConfigTypeDef sMasterConfig = {0};
-  TIM_OC_InitTypeDef sConfigOC = {0};
-
-  /* USER CODE BEGIN TIM3_Init 1 */
-
-  /* USER CODE END TIM3_Init 1 */
-  htim3.Instance = TIM3;
-  htim3.Init.Prescaler = 2;
-  htim3.Init.CounterMode = TIM_COUNTERMODE_UP;
-  htim3.Init.Period = 65535;
-  htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
-  htim3.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
-  if (HAL_TIM_Base_Init(&htim3) != HAL_OK)
-  {
-    Error_Handler();
-  }
-  sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
-  if (HAL_TIM_ConfigClockSource(&htim3, &sClockSourceConfig) != HAL_OK)
-  {
-    Error_Handler();
-  }
-  if (HAL_TIM_PWM_Init(&htim3) != HAL_OK)
-  {
-    Error_Handler();
-  }
-  sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
-  sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
-  if (HAL_TIMEx_MasterConfigSynchronization(&htim3, &sMasterConfig) != HAL_OK)
-  {
-    Error_Handler();
-  }
-  sConfigOC.OCMode = TIM_OCMODE_PWM1;
-  sConfigOC.Pulse = 0;
-  sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
-  sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
-  if (HAL_TIM_PWM_ConfigChannel(&htim3, &sConfigOC, TIM_CHANNEL_1) != HAL_OK)
-  {
-    Error_Handler();
-  }
-  /* USER CODE BEGIN TIM3_Init 2 */
-
-  /* USER CODE END TIM3_Init 2 */
-  HAL_TIM_MspPostInit(&htim3);
-
 }
 /* TIM4 init function */
 void MX_TIM4_Init(void)
@@ -195,17 +140,6 @@ void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* tim_baseHandle)
 
   /* USER CODE END TIM2_MspInit 1 */
   }
-  else if(tim_baseHandle->Instance==TIM3)
-  {
-  /* USER CODE BEGIN TIM3_MspInit 0 */
-
-  /* USER CODE END TIM3_MspInit 0 */
-    /* TIM3 clock enable */
-    __HAL_RCC_TIM3_CLK_ENABLE();
-  /* USER CODE BEGIN TIM3_MspInit 1 */
-
-  /* USER CODE END TIM3_MspInit 1 */
-  }
 }
 
 void HAL_TIM_Encoder_MspInit(TIM_HandleTypeDef* tim_encoderHandle)
@@ -247,6 +181,7 @@ void HAL_TIM_MspPostInit(TIM_HandleTypeDef* timHandle)
   /* USER CODE BEGIN TIM2_MspPostInit 0 */
 
   /* USER CODE END TIM2_MspPostInit 0 */
+
     __HAL_RCC_GPIOA_CLK_ENABLE();
     /**TIM2 GPIO Configuration
     PA15     ------> TIM2_CH1
@@ -262,25 +197,6 @@ void HAL_TIM_MspPostInit(TIM_HandleTypeDef* timHandle)
 
   /* USER CODE END TIM2_MspPostInit 1 */
   }
-  else if(timHandle->Instance==TIM3)
-  {
-  /* USER CODE BEGIN TIM3_MspPostInit 0 */
-
-  /* USER CODE END TIM3_MspPostInit 0 */
-
-    __HAL_RCC_GPIOA_CLK_ENABLE();
-    /**TIM3 GPIO Configuration
-    PA6     ------> TIM3_CH1
-    */
-    GPIO_InitStruct.Pin = HEATER_Pin;
-    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
-    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
-    HAL_GPIO_Init(HEATER_GPIO_Port, &GPIO_InitStruct);
-
-  /* USER CODE BEGIN TIM3_MspPostInit 1 */
-
-  /* USER CODE END TIM3_MspPostInit 1 */
-  }
 
 }
 
@@ -298,17 +214,6 @@ void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* tim_baseHandle)
 
   /* USER CODE END TIM2_MspDeInit 1 */
   }
-  else if(tim_baseHandle->Instance==TIM3)
-  {
-  /* USER CODE BEGIN TIM3_MspDeInit 0 */
-
-  /* USER CODE END TIM3_MspDeInit 0 */
-    /* Peripheral clock disable */
-    __HAL_RCC_TIM3_CLK_DISABLE();
-  /* USER CODE BEGIN TIM3_MspDeInit 1 */
-
-  /* USER CODE END TIM3_MspDeInit 1 */
-  }
 }
 
 void HAL_TIM_Encoder_MspDeInit(TIM_HandleTypeDef* tim_encoderHandle)
diff --git a/Makefile b/Makefile
index 37abef8..2d86b15 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 ##########################################################################################################################
-# File automatically-generated by tool: [projectgenerator] version: [3.16.0] date: [Mon Mar 06 00:33:47 CET 2023] 
+# File automatically-generated by tool: [projectgenerator] version: [3.16.0] date: [Mon Mar 06 00:56:47 CET 2023] 
 ##########################################################################################################################
 
 # ------------------------------------------------