STM32 Bootloader, STM32F103C Programming using USB Cable
Custom STM32 boot loader | EMCU
GitHub - DAlexis/stm32-usb-bootloader: This repository contains bootloader for stm32f1xx microcontrollers. It works for stm32f103ret6, but you can simply adopt it to any MCU supporting STM32 HAL library with USB and SD-card
STM32 BLUEPILL USB BOOTLOADER SUPPORT - YouTube
Programming STM32F103 Blue Pill using USB Bootloader and PlatformIO - lostengineer.com
Program STM32 Blue Pill through USB Port with Bootloader
Program Blue Pill STM32 directly with USB port - IoT for Geeks
STM32 Bootloader: Programming STM32F103C8 via USB Port
BluePill (SMT32) programming with Arduino A USB to Serial Converter
Programming STM32F103C8 Board (Blue Pill) using USB Port
Upload STM32F103C8T6 USB Bootloader | Program STM32 via USB Port