Main Features:<br />● Chipset: THB7128<br />● Maximum output current: 3A<br />● Large radiator， ensure the long-term stability<br />● Automatic half current function， reduce motor heating<br />● The output protection<br />● You can set 1，2，4，8，16，32，64，128 subdivision， up to 128 segments<br />● A current setting function<br />● Adapter 0.5A， 1A， 1.5A， 2A， 2.5A， 3A of 42，57 series stepper motor<br />● Wide operating voltage<br />● Input voltage: DC 9 - 32V<br />● Could work<br />● Anti-power reverse feature， power reversed not burn IC<br />● Easy installation， set aside on the radiator mounting screw holes<br />● Ultra high-speed optical coupling 10M bandwidth， signal input to do to ensure that the high-speed performance<br />● A motor rotation direction indicator and power indicator<br />● Easy and intuitive<br /><br />    Specifications<br />General<br />	 Material: Glass fiber + plastic + iron                                                	<br />Weight and Size<br />	 Product Weight: 0.087 kg                                                  <br />                        Package Weight: 0.127 kg                                                  <br />                        Product Size(L x W x H): 7.6 x 5.0 x 5.1 cm / 3.0 x 1.9 x 2.0 inches                                                  <br />                        Package Size(L x W x H): 12.0 x 8.0 x 6.0 cm                                                	<br />Package Contents<br />	 Package Contents: 1 x THB7128 57 Type Two Phase Stepper Motor Driver Board                                                	<br /><br /><br /><br />                                                <br />