I have a RAMPS 1.4 tester code for Arduino MEGA, only need stepper motors and drivers connected. The code in a working setup moves steppers in both directions but in my setup does something wrong:
- Extruder 0 , Axis X/Y only moves in 1 direction all time.
- Extruder 1 , Axis Z works fine in both direction
I changed stepper drivers but always Extruder 0, Axis X/Y were moving in same direction all time.Tried 2 differents RAMPS 1.4 shields with same results in tester code, Sprinter or Marlin.
I have the code if someone wants, it works fine in other setups.
What could be the problem?