Resurrection of CubeX

This story is about the "resurrection" of the old man CubeX DUO, who has sunk into oblivion ingloriously.
He came to me in a deplorable half-disassembled state.
The printer brought a lot of trouble to their previous owners.
My task was to restore the printer to working condition, at least with one extruder.
The basis was taken common pair MEGA2560 - RAMPS and Full Graphic Smart Controller 12864.
The limit switches of the X and Y axes remain original - magnetic.
A mechanical three-wire