Arduino for STM32

So I am back to a somewhat sane point: - Flash the WeACT HID bootloader (binary release file from github) at address 0x8000000 (This works a bit, but not completely as documented) - Flash Blinky at 0x8004000. Two concerns: - Earlier, before I messed things up, the Black Pill showed up as a USB devic...

Background I have the WeAct BlackPill STM32F411CEU6. I don't have any meaningful prior experience with stm32 or microcontrollor/embedded systems other than a bit of playing around with an AdaFruit Feather nRF52832 with the Arduino IDE. As for tools, I have the aforementioned BlackPill, the aforemet...