Layout : continued placement.

Layout : Placed previous placement inside the PCB board edge.

Layout : finished placement.

Updated layout.

Re-done footprint for Discovery board.

Schematic : modified isolated outputs, added ESP32 and Nucleo 144 MCU modules. Added 3V3 power supply for ESP32. Changed page layout to A3 for Nucleo 144 symbol.

Simplified non-isolated outputs.
Removed symmetric power supply.