diff --git a/Core/Src/main.c b/Core/Src/main.c
index ac66c69..6841087 100644
--- a/Core/Src/main.c
+++ b/Core/Src/main.c
@@ -325,7 +325,7 @@ static void MX_USART1_UART_Init(void)
 
   /* USER CODE END USART1_Init 1 */
   huart1.Instance = USART1;
-  huart1.Init.BaudRate = 921600;
+  huart1.Init.BaudRate = 460800;
   huart1.Init.WordLength = UART_WORDLENGTH_8B;
   huart1.Init.StopBits = UART_STOPBITS_1;
   huart1.Init.Parity = UART_PARITY_NONE;
@@ -409,7 +409,7 @@ void HAL_SPI_TxRxCpltCallback(SPI_HandleTypeDef *hspi)
 void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
 {
     if((USART1->ISR & USART_ISR_TXE) == 0 && (USART1->ISR & USART_ISR_TC) == 0 && (flag_transmit)) USART1->RDR = data[1].rate;
-    else USART1->RDR = 0;
+    else USART1->RDR = 1234;
     flag_transmit = 0;
 }
 /* USER CODE END 4 */
diff --git a/STMGyro.ioc b/STMGyro.ioc
index ea8efc4..50a1b0a 100644
--- a/STMGyro.ioc
+++ b/STMGyro.ioc
@@ -122,7 +122,7 @@ ProjectManager.StackSize=0x400
 ProjectManager.TargetToolchain=STM32CubeIDE
 ProjectManager.ToolChainLocation=
 ProjectManager.UnderRoot=true
-ProjectManager.functionlistsort=1-MX_GPIO_Init-GPIO-false-HAL-true,2-SystemClock_Config-RCC-false-HAL-false,3-MX_SPI1_Init-SPI1-false-HAL-true,4-MX_DMA_Init-DMA-false-HAL-true,5-MX_USART1_UART_Init-USART1-false-HAL-true
+ProjectManager.functionlistsort=1-MX_GPIO_Init-GPIO-false-HAL-true,2-SystemClock_Config-RCC-false-HAL-false,3-MX_SPI1_Init-SPI1-false-HAL-true,4-MX_DMA_Init-DMA-false-HAL-true,5-MX_USART1_UART_Init-USART1-false-HAL-true,6-MX_TIM1_Init-TIM1-false-HAL-true
 RCC.ADCFreq_Value=80000000
 RCC.AHBFreq_Value=80000000
 RCC.APB1Freq_Value=80000000
@@ -178,7 +178,7 @@ SPI1.Mode=SPI_MODE_MASTER
 SPI1.VirtualType=VM_MASTER
 TIM1.IPParameters=Prescaler
 TIM1.Prescaler=79
-USART1.BaudRate=921600
+USART1.BaudRate=460800
 USART1.IPParameters=VirtualMode-Asynchronous,BaudRate,OverSampling,Mode
 USART1.Mode=MODE_TX
 USART1.OverSampling=UART_OVERSAMPLING_16