Resolved! Pin map for nucleo board that shows all pins, not just Uno / Morpho pins.
I am interested in using one of the Nucleo boards, either F401RE or F429ZI (these two are both supported by Zerynth ide) but I need 15 adc channels. The 401 has 1 adc with 16 channels, the 429 had 3 adcs and 24 channels. But in all the documentation ...