GitHub - DanielMartensson/STM32-PLC: STM32 microcontroller with lots of periferials such as ADC, differential ADC, Input Capture, PWM, USB, Encoder, DAC, Digital Input, RTC, CAN-bus + Alarm etc.
swd - Cannot Program a Custom STM32 Board - Electrical Engineering Stack Exchange
Remaking the STM32 Blue-Pill – Part 1 - Maker and IOT Ideas