![stm32 - STM32F103 USB CDC - device descriptor request failed - Electrical Engineering Stack Exchange stm32 - STM32F103 USB CDC - device descriptor request failed - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/KN77G.png)
stm32 - STM32F103 USB CDC - device descriptor request failed - Electrical Engineering Stack Exchange
![stm32 - STM32F103 USB - CDC Device Descriptor Request Failed - Electrical Engineering Stack Exchange stm32 - STM32F103 USB - CDC Device Descriptor Request Failed - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/6lo3u.png)
stm32 - STM32F103 USB - CDC Device Descriptor Request Failed - Electrical Engineering Stack Exchange
![stm32 - STM32F103 USB - CDC Device Descriptor Request Failed - Electrical Engineering Stack Exchange stm32 - STM32F103 USB - CDC Device Descriptor Request Failed - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/Yeh2n.png)
stm32 - STM32F103 USB - CDC Device Descriptor Request Failed - Electrical Engineering Stack Exchange
![stm32 - STM32F103 USB CDC - device descriptor request failed - Electrical Engineering Stack Exchange stm32 - STM32F103 USB CDC - device descriptor request failed - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/RHHK0.png)
stm32 - STM32F103 USB CDC - device descriptor request failed - Electrical Engineering Stack Exchange
![stm32 - USB CDC based on STM32F103 has different transmission effect on Windows7 and Ubuntu - Stack Overflow stm32 - USB CDC based on STM32F103 has different transmission effect on Windows7 and Ubuntu - Stack Overflow](https://i.stack.imgur.com/ftOAN.png)