The first thing to try out on every new board is to blink an LED: the embedded equivalent of writing a “Hello World” program. I’m going to do this for both the “DIYmore” and the “Black407” boards, as introduced here - using two different upload mechanisms.
DIYmore First the minimal board, with an F407VG on it. Just to illustrate that it can be used with a Black Magic Probe, I created a little custom adapter - it turns out that all the required pins are conveniently grouped together in one 2x5 section of its three headers:
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