![Hi, i am designing a stm32 based microcontroller, my first prototype does not want to upload code via usb. Uart works though. Van someone tell me why usb does not want to Hi, i am designing a stm32 based microcontroller, my first prototype does not want to upload code via usb. Uart works though. Van someone tell me why usb does not want to](https://preview.redd.it/ysed1lt2i1h91.png?width=640&crop=smart&auto=webp&s=dd58233603f4bb7279b6f8ae53ea3a76ef5f803e)
Hi, i am designing a stm32 based microcontroller, my first prototype does not want to upload code via usb. Uart works though. Van someone tell me why usb does not want to
![Stm32f103c8t6 Usb Interface 10 Channel 12bit Ad Sampling Data Acquisition Stm32 Uart Communication | Fruugo NO Stm32f103c8t6 Usb Interface 10 Channel 12bit Ad Sampling Data Acquisition Stm32 Uart Communication | Fruugo NO](https://img.fruugo.com/product/8/03/665193038_max.jpg)
Stm32f103c8t6 Usb Interface 10 Channel 12bit Ad Sampling Data Acquisition Stm32 Uart Communication | Fruugo NO
Today's new product ⬇️ . USB UART ISO Click is a compact add-on board that offers a completely isolated differential pair of lines of the… | Instagram
![USB Interface 10 Channel 12Bit AD Sampling Data Acquisition STM32 UART Communication ADC Module | Electronics in Touch Co. USB Interface 10 Channel 12Bit AD Sampling Data Acquisition STM32 UART Communication ADC Module | Electronics in Touch Co.](https://www.eitkw.com/wp-content/uploads/2019/11/USB-Interface-10-Channel-12Bit-Bit-AD-Sampling-Data-Acquisition-STM32-UART-Communication-ADC-Module.jpg)
USB Interface 10 Channel 12Bit AD Sampling Data Acquisition STM32 UART Communication ADC Module | Electronics in Touch Co.
![STM32F103C8T6 USB Interface 10 Channel 12Bit AD Sampling Data Acquisition STM32 UART Communication ADC Module: Amazon.com: Industrial & Scientific STM32F103C8T6 USB Interface 10 Channel 12Bit AD Sampling Data Acquisition STM32 UART Communication ADC Module: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61YjS9FrbOL.jpg)
STM32F103C8T6 USB Interface 10 Channel 12Bit AD Sampling Data Acquisition STM32 UART Communication ADC Module: Amazon.com: Industrial & Scientific
![Simulation Download Burner Stm32 Development Debugger Swd Usb Serial Port Offline Downloader Dc5v | Fruugo NO Simulation Download Burner Stm32 Development Debugger Swd Usb Serial Port Offline Downloader Dc5v | Fruugo NO](https://img.fruugo.com/product/0/19/768400190_max.jpg)
Simulation Download Burner Stm32 Development Debugger Swd Usb Serial Port Offline Downloader Dc5v | Fruugo NO
![USB To UART Communication Module, Micro / Mini / Type-A / Type-C Connectors, High Baud Rate Transmission | CH343 USB UART Board USB To UART Communication Module, Micro / Mini / Type-A / Type-C Connectors, High Baud Rate Transmission | CH343 USB UART Board](https://www.waveshare.com/media/catalog/product/c/h/ch343-usb-uart-board-1.jpg)