2-phase stepper motor driver RB2302 1.2-phase ,rated current 2A, 2.Maximum working ... 30V, 3.division setting 128X max. 2-phase stepping motor driver RB2302 **RB2303 is a high performance, low price micro-step ... driver, voltage range from DC12-30V, single power input. It can ... ×27mm;Net weight:0.160k g 2-phase steppig motor driver(2A )