Arduino for STM32

Excuse me, Steve; THANKs for answering. Thought there wasn´t anybody out there. I haven´t yet received my board but I´m sure I should get some confidence with it. I´d just like somebody to assure that the tutorial IS correct, but if something´s wrong or missing, let me know so I don´t suffer too much-

Hi ALL, my first post; the STM32 seems interesting and should ease my life as I would like to build A RGB LED matrix and a LED cube. Before sourcing, which means great sacrifice, I need to be quite sure of what to do. I extracted the following from BROKKING´s video. Hardware Board + FTDI USB to seri...

Just joined; Surviving at Caracas and counting on your advice. Familiar with Arduino but not this processor.
Fortunately I can source one, will need your help to get started, THANKs.