I started to learn Arduino because I know C pretty well and saw a lot of demand on embeded C developer jobs. What I didn't like was using ArduinoIDE. I know it is best way to program arduino for most ...

I have custom STM32F030C8T6 based board and when I use HSI or nothing change at sketch level everything works as expected. But when I want to use HSE and use SystemClock_Config(void) at sketch level, ...