diff --git a/.mxproject b/.mxproject
index a271c73..ef00c37 100644
--- a/.mxproject
+++ b/.mxproject
@@ -5,10 +5,10 @@ SourcePath=C:/aids/gen/blinky/Src
 SourceFiles=stm32f4xx_it.h;stm32f4xx_hal_conf.h;main.h;stm32f4xx_it.c;stm32f4xx_hal_msp.c;main.c;
 
 [PreviousLibFiles]
-LibFiles=Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_tim.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_tim_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_rcc.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_rcc_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_flash.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_flash_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_flash_ramfunc.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_gpio.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_gpio_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_dma_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_dma.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_pwr.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_pwr_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_cortex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal.h;Drivers/STM32F4xx_HAL_Driver/Inc/Legacy/stm32_hal_legacy.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_def.h;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ramfunc.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_gpio.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_cortex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal.c;Drivers/CMSIS/Device/ST/STM32F4xx/Include/stm32f407xx.h;Drivers/CMSIS/Device/ST/STM32F4xx/Include/stm32f4xx.h;Drivers/CMSIS/Device/ST/STM32F4xx/Include/system_stm32f4xx.h;Drivers/CMSIS/Device/ST/STM32F4xx/Source/Templates/system_stm32f4xx.c;Drivers/CMSIS/Include/arm_common_tables.h;Drivers/CMSIS/Include/arm_const_structs.h;Drivers/CMSIS/Include/arm_math.h;Drivers/CMSIS/Include/cmsis_armcc.h;Drivers/CMSIS/Include/cmsis_armcc_V6.h;Drivers/CMSIS/Include/cmsis_gcc.h;Drivers/CMSIS/Include/core_cm0.h;Drivers/CMSIS/Include/core_cm0plus.h;Drivers/CMSIS/Include/core_cm3.h;Drivers/CMSIS/Include/core_cm4.h;Drivers/CMSIS/Include/core_cm7.h;Drivers/CMSIS/Include/core_cmFunc.h;Drivers/CMSIS/Include/core_cmInstr.h;Drivers/CMSIS/Include/core_cmSimd.h;Drivers/CMSIS/Include/core_sc000.h;Drivers/CMSIS/Include/core_sc300.h;
+LibFiles=Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_tim.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_tim_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_uart.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_rcc.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_rcc_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_flash.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_flash_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_flash_ramfunc.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_gpio.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_gpio_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_dma_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_dma.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_pwr.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_pwr_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_cortex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal.h;Drivers/STM32F4xx_HAL_Driver/Inc/Legacy/stm32_hal_legacy.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_def.h;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_uart.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ramfunc.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_gpio.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_cortex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal.c;Drivers/CMSIS/Device/ST/STM32F4xx/Include/stm32f407xx.h;Drivers/CMSIS/Device/ST/STM32F4xx/Include/stm32f4xx.h;Drivers/CMSIS/Device/ST/STM32F4xx/Include/system_stm32f4xx.h;Drivers/CMSIS/Device/ST/STM32F4xx/Source/Templates/system_stm32f4xx.c;Drivers/CMSIS/Include/arm_common_tables.h;Drivers/CMSIS/Include/arm_const_structs.h;Drivers/CMSIS/Include/arm_math.h;Drivers/CMSIS/Include/cmsis_armcc.h;Drivers/CMSIS/Include/cmsis_armcc_V6.h;Drivers/CMSIS/Include/cmsis_gcc.h;Drivers/CMSIS/Include/core_cm0.h;Drivers/CMSIS/Include/core_cm0plus.h;Drivers/CMSIS/Include/core_cm3.h;Drivers/CMSIS/Include/core_cm4.h;Drivers/CMSIS/Include/core_cm7.h;Drivers/CMSIS/Include/core_cmFunc.h;Drivers/CMSIS/Include/core_cmInstr.h;Drivers/CMSIS/Include/core_cmSimd.h;Drivers/CMSIS/Include/core_sc000.h;Drivers/CMSIS/Include/core_sc300.h;
 
 [PreviousUsedSW4STM32Files]
-SourceFiles=../Src/main.c;../Src/stm32f4xx_it.c;../Src/stm32f4xx_hal_msp.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ramfunc.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_gpio.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_cortex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal.c;../Drivers/CMSIS/Device/ST/STM32F4xx/Source/Templates/system_stm32f4xx.c;../Drivers/CMSIS/Device/ST/STM32F4xx/Source/Templates/gcc/startup_stm32f407xx.s;
+SourceFiles=../Src/main.c;../Src/stm32f4xx_it.c;../Src/stm32f4xx_hal_msp.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_uart.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ramfunc.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_gpio.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_cortex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal.c;../Drivers/CMSIS/Device/ST/STM32F4xx/Source/Templates/system_stm32f4xx.c;../Drivers/CMSIS/Device/ST/STM32F4xx/Source/Templates/gcc/startup_stm32f407xx.s;
 HeaderPath=..\Drivers\STM32F4xx_HAL_Driver\Inc;..\Drivers\STM32F4xx_HAL_Driver\Inc\Legacy;..\Drivers\CMSIS\Device\ST\STM32F4xx\Include;..\Drivers\CMSIS\Include;
 CDefines=__weak=__attribute__((weak));__packed=__attribute__((__packed__));
 
diff --git a/Inc/ssd1306.h b/Inc/ssd1306.h
index 421dd0d..3e28ca1 100644
--- a/Inc/ssd1306.h
+++ b/Inc/ssd1306.h
@@ -59,6 +59,6 @@ char ssd1306_WriteChar(char ch, FontDef Font, SSD1306_COLOR color);
 char ssd1306_WriteString(char* str, FontDef Font, SSD1306_COLOR color);
 void ssd1306_SetCursor(uint8_t x, uint8_t y);
 
-//static void ssd1306_WriteCommand(uint8_t command);
+void ssd1306_WriteCommand(uint8_t command);
 
 #endif
diff --git a/Inc/stm32f4xx_it.h b/Inc/stm32f4xx_it.h
index ad40aa2..4b836dd 100644
--- a/Inc/stm32f4xx_it.h
+++ b/Inc/stm32f4xx_it.h
@@ -54,6 +54,7 @@ void SVC_Handler(void);
 void DebugMon_Handler(void);
 void PendSV_Handler(void);
 void SysTick_Handler(void);
+void USART1_IRQHandler(void);
 
 #ifdef __cplusplus
 }
diff --git a/Src/main.c b/Src/main.c
index b68e3ba..cdeb90c 100644
--- a/Src/main.c
+++ b/Src/main.c
@@ -50,6 +50,10 @@ UART_HandleTypeDef huart1;
 
 /* USER CODE BEGIN PV */
 /* Private variables ---------------------------------------------------------*/
+char UART1_Data;
+char UART_Buffer[32];
+char text[32];
+unsigned char i = 0;
 
 /* USER CODE END PV */
 
@@ -76,7 +80,6 @@ int main(void)
   /* USER CODE END 1 */
 
   /* MCU Configuration----------------------------------------------------------*/
-
   /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
   HAL_Init();
 
@@ -90,47 +93,35 @@ int main(void)
 
   /* USER CODE BEGIN 2 */
   ssd1306_Init();
-  HAL_Delay(1000);
   //DHT22_Init();
-
+  HAL_UART_Receive_IT(&huart1, (uint8_t*) &UART1_Data, 1);
   /* USER CODE END 2 */
 
   /* Infinite loop */
   /* USER CODE BEGIN WHILE */
   while (1)
   {
-    char *msg = "Hello Nucleo Fun!\n\r";
-    char output[50];
   /* USER CODE END WHILE */
 
-    HAL_UART_Transmit(&huart1, (uint8_t*)msg, strlen(msg), 0xFFFF);
   /* USER CODE BEGIN 3 */
     HAL_GPIO_TogglePin(GPIOA, GPIO_PIN_6); //Toggle the state of pin PC9
-    //HAL_Delay(100); //delay 100ms
     //HAL_GPIO_TogglePin(GPIOA, GPIO_PIN_7); //Toggle the state of pin PC9
-    //HAL_Delay(100); //delay 100ms
     //DHT22_Read(htim6);
     
-    ssd1306_Fill(White);
+    ssd1306_SetCursor(0, 53);
+    ssd1306_WriteString(text, Font_7x10, White);
     ssd1306_UpdateScreen();
 
-    ssd1306_SetCursor(1,1);
-    //snprintf(output, 50, "Temp: %f", DHT22getTemperature());
-    snprintf(output, 50, "Temp: 33");
-    ssd1306_WriteString(output, Font_7x10, Black);
+    for(int i = 0; i < 64; i++) {
+      ssd1306_WriteCommand(0x40 | i);
+      ssd1306_UpdateScreen();
+      HAL_Delay(30);
+    }
 
-    ssd1306_SetCursor(1,40);
-    //snprintf(output, 50, "Humidity: %f", DHT22getHumidity());
-    snprintf(output, 50, "Humidity: 22");
-    ssd1306_WriteString(output, Font_7x10, Black);
-
-    ssd1306_UpdateScreen();
     //HAL_Delay(250);
 
-    //ssd1306_Fill(Black);
-    //ssd1306_UpdateScreen();
-    HAL_Delay(3000);
-
+    ssd1306_Fill(Black);
+    ssd1306_UpdateScreen();
   }
   /* USER CODE END 3 */
 
@@ -255,7 +246,31 @@ static void MX_GPIO_Init(void)
 }
 
 /* USER CODE BEGIN 4 */
+void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
+{
+  char n = 0;
+  char UART_Aux[32];
+ 
+  if (huart->Instance == USART1) {
+    if (UART1_Data != '\n') {
+      UART_Buffer[i] = UART1_Data;
+      i++;
+    } else {
 
+      n = sprintf(UART_Aux, "%s\r\n", UART_Buffer);
+
+      HAL_UART_Transmit(&huart1, (uint8_t*) &UART_Aux, n, 1000);
+
+
+      // limpa o '\r'
+      UART_Buffer[i-1] = 0;
+      snprintf(text, 32, "%s", UART_Buffer);
+
+      i = 0;
+    }
+    HAL_UART_Receive_IT(&huart1, (uint8_t*) &UART1_Data, 1);
+  }
+}
 /* USER CODE END 4 */
 
 /**
diff --git a/Src/ssd1306.c b/Src/ssd1306.c
index f9c806a..d78ce71 100644
--- a/Src/ssd1306.c
+++ b/Src/ssd1306.c
@@ -1,7 +1,5 @@
-
 #include"ssd1306.h"
 
-
 // Databuffer voor het scherm
 static uint8_t SSD1306_Buffer[SSD1306_WIDTH * SSD1306_HEIGHT / 8];
 
@@ -13,9 +11,9 @@ static SSD1306_t SSD1306;
 //	Een byte sturen naar het commando register
 //	Kan niet gebruikt worden buiten deze file
 //
-static void ssd1306_WriteCommand(uint8_t command)
+void ssd1306_WriteCommand(uint8_t command)
 {
-	HAL_I2C_Mem_Write(&hi2c1,SSD1306_I2C_ADDR,0x00,1,&command,1,10);
+	HAL_I2C_Mem_Write(&hi2c1, SSD1306_I2C_ADDR, 0x00,1, &command, 1, 10);
 }
 
 
diff --git a/Src/stm32f4xx_hal_msp.c b/Src/stm32f4xx_hal_msp.c
index e1e2d4f..c1f6130 100644
--- a/Src/stm32f4xx_hal_msp.c
+++ b/Src/stm32f4xx_hal_msp.c
@@ -147,6 +147,9 @@ void HAL_UART_MspInit(UART_HandleTypeDef* huart)
     GPIO_InitStruct.Alternate = GPIO_AF7_USART1;
     HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
 
+    /* Peripheral interrupt init */
+    HAL_NVIC_SetPriority(USART1_IRQn, 0, 0);
+    HAL_NVIC_EnableIRQ(USART1_IRQn);
   /* USER CODE BEGIN USART1_MspInit 1 */
 
   /* USER CODE END USART1_MspInit 1 */
@@ -171,6 +174,9 @@ void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
     */
     HAL_GPIO_DeInit(GPIOA, GPIO_PIN_9|GPIO_PIN_10);
 
+    /* Peripheral interrupt DeInit*/
+    HAL_NVIC_DisableIRQ(USART1_IRQn);
+
   }
   /* USER CODE BEGIN USART1_MspDeInit 1 */
 
diff --git a/Src/stm32f4xx_it.c b/Src/stm32f4xx_it.c
index c0e4f2f..a3eed6d 100644
--- a/Src/stm32f4xx_it.c
+++ b/Src/stm32f4xx_it.c
@@ -40,6 +40,7 @@
 /* USER CODE END 0 */
 
 /* External variables --------------------------------------------------------*/
+extern UART_HandleTypeDef huart1;
 
 /******************************************************************************/
 /*            Cortex-M4 Processor Interruption and Exception Handlers         */ 
@@ -183,6 +184,20 @@ void SysTick_Handler(void)
 /* please refer to the startup file (startup_stm32f4xx.s).                    */
 /******************************************************************************/
 
+/**
+* @brief This function handles USART1 global interrupt.
+*/
+void USART1_IRQHandler(void)
+{
+  /* USER CODE BEGIN USART1_IRQn 0 */
+
+  /* USER CODE END USART1_IRQn 0 */
+  HAL_UART_IRQHandler(&huart1);
+  /* USER CODE BEGIN USART1_IRQn 1 */
+
+  /* USER CODE END USART1_IRQn 1 */
+}
+
 /* USER CODE BEGIN 1 */
 
 /* USER CODE END 1 */
diff --git a/blinky.ioc b/blinky.ioc
index 7a329ba..20481e9 100644
--- a/blinky.ioc
+++ b/blinky.ioc
@@ -9,16 +9,18 @@ Mcu.IP0=I2C1
 Mcu.IP1=NVIC
 Mcu.IP2=RCC
 Mcu.IP3=SYS
-Mcu.IPNb=4
+Mcu.IP4=USART1
+Mcu.IPNb=5
 Mcu.Name=STM32F407V(E-G)Tx
 Mcu.Package=LQFP100
-Mcu.Pin0=PE3
-Mcu.Pin1=PA6
-Mcu.Pin2=PA7
-Mcu.Pin3=PB6
-Mcu.Pin4=PB7
-Mcu.Pin5=VP_SYS_VS_Systick
-Mcu.PinsNb=6
+Mcu.Pin0=PA6
+Mcu.Pin1=PA7
+Mcu.Pin2=PA9
+Mcu.Pin3=PA10
+Mcu.Pin4=PB6
+Mcu.Pin5=PB7
+Mcu.Pin6=VP_SYS_VS_Systick
+Mcu.PinsNb=7
 Mcu.UserConstants=
 Mcu.UserName=STM32F407VETx
 MxCube.Version=4.20.0
@@ -32,13 +34,20 @@ NVIC.PendSV_IRQn=true\:0\:0\:false\:false\:true
 NVIC.PriorityGroup=NVIC_PRIORITYGROUP_4
 NVIC.SVCall_IRQn=true\:0\:0\:false\:false\:true
 NVIC.SysTick_IRQn=true\:0\:0\:false\:false\:true
+NVIC.USART1_IRQn=true\:0\:0\:false\:false\:true
 NVIC.UsageFault_IRQn=true\:0\:0\:false\:false\:true
+PA10.Mode=Asynchronous
+PA10.Signal=USART1_RX
 PA6.Locked=true
 PA6.Signal=GPIO_Output
 PA7.Locked=true
 PA7.Signal=GPIO_Output
+PA9.Mode=Asynchronous
+PA9.Signal=USART1_TX
+PB6.Locked=true
 PB6.Mode=I2C
 PB6.Signal=I2C1_SCL
+PB7.Locked=true
 PB7.Mode=I2C
 PB7.Signal=I2C1_SDA
 PCC.Checker=false
@@ -50,10 +59,6 @@ PCC.Seq0=0
 PCC.Series=STM32F4
 PCC.Temperature=25
 PCC.Vdd=3.3
-PE3.GPIOParameters=GPIO_PuPd
-PE3.GPIO_PuPd=GPIO_PULLUP
-PE3.Locked=true
-PE3.Signal=GPIO_Input
 ProjectManager.AskForMigrate=true
 ProjectManager.BackupPrevious=false
 ProjectManager.CompilerOptimize=2
@@ -78,7 +83,7 @@ ProjectManager.StackSize=0x400
 ProjectManager.TargetToolchain=SW4STM32
 ProjectManager.ToolChainLocation=
 ProjectManager.UnderRoot=true
-ProjectManager.functionlistsort=1-MX_GPIO_Init-GPIO-false-HAL,2-SystemClock_Config-RCC-false-HAL,3-MX_I2C1_Init-I2C1-false-HAL
+ProjectManager.functionlistsort=1-MX_GPIO_Init-GPIO-false-HAL,2-SystemClock_Config-RCC-false-HAL,3-MX_I2C1_Init-I2C1-false-HAL,4-MX_USART1_UART_Init-USART1-false-HAL
 RCC.AHBFreq_Value=16000000
 RCC.APB1Freq_Value=16000000
 RCC.APB2Freq_Value=16000000
@@ -127,6 +132,10 @@ RCC.VCOI2SOutputFreq_Value=192000000
 RCC.VCOInputFreq_Value=1000000
 RCC.VCOOutputFreq_Value=192000000
 RCC.VcooutputI2S=96000000
+USART1.BaudRate=9600
+USART1.HwFlowCtl-Asynchronous=UART_HWCONTROL_NONE
+USART1.IPParameters=VirtualMode,HwFlowCtl-Asynchronous,BaudRate
+USART1.VirtualMode=VM_ASYNC
 VP_SYS_VS_Systick.Mode=SysTick
 VP_SYS_VS_Systick.Signal=SYS_VS_Systick
 board=blinky