Its all the same thing
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Turns out reading is good
I just figured out that all Big Tree Tech main boards are open source. Turns out reading and trying to find answers on internet is kinda nice.
Another day, another dollar
Turns out making a 3D printer main board is not that easy. I must say I went into it with too much "not thinking" and too much enthusiasm. However, I got some knowledge, and a new idea that can be realized faster than the whole main board.
STM32H723ZGTx not even funny
There it is in KiCad. I can't understand why it has so much VDD pins. I guess i can just copy the capacitors on those from someone else. 12 * 100nF caps. Guess one for each damn pin. Just will take too much space on the board. What follows
STM32H7 pin connections for 3D printer main board
In order for Marlin firmware to work properly on my imaginary main board I'm building. Turns out there is a file in a Marlin GitHub repository that has pre set pins for certain popular main boards that use H7 as their brain. One of those is a BTT