diff --git a/hw/bsp/stm32h7/boards/stm32h743_weact/README.md b/hw/bsp/stm32h7/boards/stm32h743_weact/README.md
new file mode 100644
index 000000000..2bf463fef
--- /dev/null
+++ b/hw/bsp/stm32h7/boards/stm32h743_weact/README.md
@@ -0,0 +1,7 @@
+## How to quick setup
+
+1. python tools/get_deps.py -b stm32h743_weact
+2. cd examples/device/cdc_msc
+3. brew install --cask gcc-arm-embedded
+3. cmake -DBOARD=stm32h743_weact -B build -DCMAKE_BUILD_TYPE=Debug
+4. cmake --build build --parallel
\ No newline at end of file
diff --git a/hw/bsp/stm32h7/boards/stm32h743_weact/board.h b/hw/bsp/stm32h7/boards/stm32h743_weact/board.h
index 38b224034..52ff12593 100644
--- a/hw/bsp/stm32h7/boards/stm32h743_weact/board.h
+++ b/hw/bsp/stm32h7/boards/stm32h743_weact/board.h
@@ -41,7 +41,7 @@ extern "C" {
 #define UART_CLK_EN __HAL_RCC_USART3_CLK_ENABLE
 
 // VBUS Sense detection
-#define OTG_FS_VBUS_SENSE 1
+#define OTG_FS_VBUS_SENSE 0
 #define OTG_HS_VBUS_SENSE 0
 
 #define PINID_LED         0
@@ -85,64 +85,82 @@ static inline void SystemClock_Config(void) {
   RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
 
   /** Supply configuration update enable
-   */
+  */
   HAL_PWREx_ConfigSupply(PWR_LDO_SUPPLY);
 
   /** Configure the main internal regulator output voltage
-   */
-  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
+  */
+  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE0);
 
-  while (!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}
+  while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}
 
   /** Initializes the RCC Oscillators according to the specified parameters
-   * in the RCC_OscInitTypeDef structure.
-   */
-  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
-  RCC_OscInitStruct.HSEState       = RCC_HSE_BYPASS;
-  RCC_OscInitStruct.PLL.PLLState   = RCC_PLL_ON;
-  RCC_OscInitStruct.PLL.PLLSource  = RCC_PLLSOURCE_HSE;
-  RCC_OscInitStruct.PLL.PLLM       = 1;
-  RCC_OscInitStruct.PLL.PLLN       = 100;
-  RCC_OscInitStruct.PLL.PLLP       = 2;
-  RCC_OscInitStruct.PLL.PLLQ       = 4;
-  RCC_OscInitStruct.PLL.PLLR       = 2;
-  RCC_OscInitStruct.PLL.PLLRGE     = RCC_PLL1VCIRANGE_3;
-  RCC_OscInitStruct.PLL.PLLVCOSEL  = RCC_PLL1VCOWIDE;
-  RCC_OscInitStruct.PLL.PLLFRACN   = 0;
-  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
+  * in the RCC_OscInitTypeDef structure.
+  */
+  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI48|RCC_OSCILLATORTYPE_HSE;
+  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
+  RCC_OscInitStruct.HSI48State = RCC_HSI48_ON;
+  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
+  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
+  RCC_OscInitStruct.PLL.PLLM = 5;
+  RCC_OscInitStruct.PLL.PLLN = 192;
+  RCC_OscInitStruct.PLL.PLLP = 2;
+  RCC_OscInitStruct.PLL.PLLQ = 15;
+  RCC_OscInitStruct.PLL.PLLR = 2;
+  RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_2;
+  RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOWIDE;
+  RCC_OscInitStruct.PLL.PLLFRACN = 0;
+  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
+  {
     Error_Handler();
   }
 
   /** Initializes the CPU, AHB and APB buses clocks
-   */
-  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2 |
-                                RCC_CLOCKTYPE_D3PCLK1 | RCC_CLOCKTYPE_D1PCLK1;
-  RCC_ClkInitStruct.SYSCLKSource   = RCC_SYSCLKSOURCE_PLLCLK;
-  RCC_ClkInitStruct.SYSCLKDivider  = RCC_SYSCLK_DIV1;
-  RCC_ClkInitStruct.AHBCLKDivider  = RCC_HCLK_DIV2;
+  */
+  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
+                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2
+                              |RCC_CLOCKTYPE_D3PCLK1|RCC_CLOCKTYPE_D1PCLK1;
+  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
+  RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1;
+  RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV2;
   RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV2;
   RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV2;
   RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV2;
   RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV2;
 
-  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK) {
+  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
+  {
     Error_Handler();
   }
 
   // Initialize USB clock
+  // RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
+  // PeriphClkInitStruct.PeriphClockSelection     = RCC_PERIPHCLK_USB;
+  // PeriphClkInitStruct.PLL3.PLL3M               = 1;
+  // PeriphClkInitStruct.PLL3.PLL3N               = 24;
+  // PeriphClkInitStruct.PLL3.PLL3P               = 2;
+  // PeriphClkInitStruct.PLL3.PLL3Q               = 4;
+  // PeriphClkInitStruct.PLL3.PLL3R               = 2;
+  // PeriphClkInitStruct.PLL3.PLL3RGE             = RCC_PLL3VCIRANGE_3;
+  // PeriphClkInitStruct.PLL3.PLL3FRACN           = 0;
+  // PeriphClkInitStruct.UsbClockSelection        = RCC_USBCLKSOURCE_PLL3;
+  // if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK) {
+  //   //assert(false);
+  //   Error_Handler();
+  // }
+
+  // Initialize USB clock from internal HSI
   RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
-  PeriphClkInitStruct.PeriphClockSelection     = RCC_PERIPHCLK_USB;
-  PeriphClkInitStruct.PLL3.PLL3M               = 1;
-  PeriphClkInitStruct.PLL3.PLL3N               = 24;
-  PeriphClkInitStruct.PLL3.PLL3P               = 2;
-  PeriphClkInitStruct.PLL3.PLL3Q               = 4;
-  PeriphClkInitStruct.PLL3.PLL3R               = 2;
-  PeriphClkInitStruct.PLL3.PLL3RGE             = RCC_PLL3VCIRANGE_3;
-  PeriphClkInitStruct.PLL3.PLL3FRACN           = 0;
-  PeriphClkInitStruct.UsbClockSelection        = RCC_USBCLKSOURCE_PLL3;
-  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK) {
+  PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USB;
+  PeriphClkInitStruct.UsbClockSelection = RCC_USBCLKSOURCE_HSI48;
+  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
+  {
     Error_Handler();
   }
+
+  /** Enable USB Voltage detector
+  */
+  HAL_PWREx_EnableUSBVoltageDetector();
 }
 
 static inline void board_init2(void) {