cheap stepper motor driver, current:0.9A-3A, ... Nema 08, 11,14,17, 23, 24Characteristics:1.DC power input type24V~36V2.Output current:0.9~3A3. ... 40°C Humidity<90%.I/O Ports:1.VCC+DC power positive poleNote:Must guard against exceeding 40V, ... so as not to damage the module2.GND:DC power cathode3.A+,A-:Stepping motor one winding4. ... .21.51.82.12.42.73 CW230 cheap stepper motor driver, current:0.9A-3A