Mike on Twitter: "USB-C question: I've seen others pull down CC1 & CC2 through a 5.1K resistor many times but the STM32 BlackPill appears to connect them to each other.? https://t.co/p3RjMr1Bvm" /
STM32F411CEU6 USB Device Not Working (otgfs_usb_driver maybe?) · Issue #1119 · libopencm3/libopencm3 · GitHub
ON Semiconductor Is Now
stm32 - Interfacing USB with a microcontroller - Electrical Engineering Stack Exchange
STM32 USB Device Renumeration - Stm32World Wiki
USB-C not working on STM32 board (details in comment)? : r/embedded
Issue with USB · Issue #12 · robomechs/6-AXIS-USBCNC-GRBL · GitHub
simple USB circuit
USB CDC Device and HOST in STM32 » ControllersTech
stm32 - STM32F401 USB D+ Pull Up - Electrical Engineering Stack Exchange
stm32 - USB pull-up in STM32F103 (D+) - Electrical Engineering Stack Exchange
USB to Serial Converters
App note: USB hardware and PCB guidelines using STM32 MCUs – Dangerous Prototypes
PROGRAM STM32 WITH UART - MEVIHUB
To what voltage should the D+ line be pulled up when designing USB connection in STM32? +5V or +3.3V? All documentation and dev board scematics says it's 3.3V, but it didn't work.
STM32F103C8 USB Unknown Device Problem
USB 2.0 D+ PullUp requiered?
Configuring a micro-controller for low-speed USB communication