Corrections and update

This is a short video talking about some mistakes I noticed that I have made in the past videos. Also some tips for better coding.

Previous video: https://www.youtube.com/watch?v=xVYhjGYLAMA

Project code: https://github.com/SausageCode/STM32videos ... https://www.youtube.com/watch?v=Nkxv2SaieyY