using double driver for y axis

i have ready ramps 1.4 with drivers, motors etc and i wanna use what i already have.
i wanna use only 2 axis (with laser engraver attachment) but 3 drivers. 1 for x and 2 for y. there is x, y, z, e0 and e1 slots on ramps so it should be ok.

i want to make one of those slots/drivers work synchronized with y driver. i am guessing it should be fairly easy but i couldn't figure out.

how can i synchronize them in firmware? version is 2.0.5.3

If you take a look at MPCNC firmware you will see this is exactly what they have done on the X&Y axis.
Mind you that you will have no Extruder this is for a CNC.

I have purchased some parts as I want to make Dual Driver module adapters for Ramps boards

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Computer Programmer / Electronics Technician

Just set #define EXTRUDERS 0 in Configuration.h
and set #define Y_DUAL_STEPPER_DRIVERS in Configuration_adv.h

2nd Y will be on E0 port

Quote
Dust
Just set #define EXTRUDERS 0 in Configuration.h
and set #define Y_DUAL_STEPPER_DRIVERS in Configuration_adv.h

2nd Y will be on E0 port

thank you, it worked nicely.