diff --git a/Core/Inc/sys_conf.h b/Core/Inc/sys_conf.h
index 1d72723..16d0145 100644
--- a/Core/Inc/sys_conf.h
+++ b/Core/Inc/sys_conf.h
@@ -47,7 +47,7 @@ extern "C" {
 /**
   * @brief  Verbose level for all trace logs
   */
-#define VERBOSE_LEVEL                        VLEVEL_M
+#define VERBOSE_LEVEL                        VLEVEL_OFF
 
 /**
   * @brief Enable trace logs
diff --git a/Core/Src/usart.c b/Core/Src/usart.c
index bf9fd2b..62e4a98 100644
--- a/Core/Src/usart.c
+++ b/Core/Src/usart.c
@@ -100,13 +100,18 @@ void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
     PA3     ------> USART2_RX
     PA2     ------> USART2_TX
     */
-    GPIO_InitStruct.Pin = USARTx_RX_Pin|USARTx_TX_Pin;
+    GPIO_InitStruct.Pin = USARTx_TX_Pin;
     GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
     GPIO_InitStruct.Pull = GPIO_NOPULL;
     GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
     GPIO_InitStruct.Alternate = GPIO_AF7_USART2;
     HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
 
+    GPIO_InitStruct.Pin = USARTx_RX_Pin;
+    GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+
     /* USART2 DMA Init */
     /* USART2_TX Init */
     hdma_usart2_tx.Instance = DMA1_Channel5;