(note the TFT CS pin exposed, just in case, but not used with the display listed next) The code works with the two PCB versions (1.0 without TFT and 2.0 with TFT) but I recommend ordering only the 2.0 ...
5.0 V selected by USB CC Pins (5.1 k resistors) 3.3 V step-down regulation via AMS1117-3.3 The BrodBoost-C is also open-source hardware with the KiCad schematics and PCB layout, Gerbers, and BoM ...