![STM32F103C8T6 USB Interface 10 Channel 12Bit AD Sampling Data Acquisition STM32 UART Communication ADC Module - Etronic Hub STM32F103C8T6 USB Interface 10 Channel 12Bit AD Sampling Data Acquisition STM32 UART Communication ADC Module - Etronic Hub](https://etronichub.com/wp-content/uploads/2022/02/Inkedsu108-ttl_4_LI-33.jpg)
STM32F103C8T6 USB Interface 10 Channel 12Bit AD Sampling Data Acquisition STM32 UART Communication ADC Module - Etronic Hub
![Please Review Schematic: Hall effect keyboard with STM32, built-in USB 2.0 Hub, and ws2812b-mini-V3 RGB LED lighting : r/PrintedCircuitBoard Please Review Schematic: Hall effect keyboard with STM32, built-in USB 2.0 Hub, and ws2812b-mini-V3 RGB LED lighting : r/PrintedCircuitBoard](https://external-preview.redd.it/bQzsHOSV_diE2bAjSV7s6WZN8biGWsUpBqLhU6-3D3Y.jpg?width=640&crop=smart&auto=webp&s=e3e2b33df4c0c96f1e6ec2e39c5f6d36d99744ef)
Please Review Schematic: Hall effect keyboard with STM32, built-in USB 2.0 Hub, and ws2812b-mini-V3 RGB LED lighting : r/PrintedCircuitBoard
![stm32 - Need help troubleshooting connection between STM32F103 microcontroller and FE1.1S USB Hub - Electrical Engineering Stack Exchange stm32 - Need help troubleshooting connection between STM32F103 microcontroller and FE1.1S USB Hub - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/QvJRB.png)