PLEASE NOTE: The G901/G902 are no longer manufactured and are obsolete. A drop in replacement for this product would be the G210X.The G210 is a G201 with a step pulse multiplier. This means it has a selectable resolution or full-step, half-step 5-microstep and 10-microstep as well as the option to choose between COMMON GND and COMMON 5V.
