I am probably a bit late but for anyone still reading this topic you could also use the ramps with a stepper expander x1 or 2 or 3 to get your required amount of stepper driversby Borgswen - General
Hey, We are building a 3D printer using ramps 1.4, arduino mega and some old computer electronics. It all worked, until yesterday, when we flashed reconfigured marlin firmware once again. Now we can't get anything to work. Only things that do work are the extruder thermistor and the heated bed. Stepper motors do not block anymore when plugged in. The leds of the fan and extruder heater do not liby Borgswen - RAMPS Electronics