Features 1.It can drive 4 channels DC motors or 2 channels stepping motors while driving 2 servos. 2.More functions, easy operation, with powerful driver library support and function updates. 3.With for reset button, up to 4 bidirectional DC motors and 4 channels PWM speed adjustment(approximately 0.5% resolution). 4.Up to 2 stepper motors with positive and negative control, single/double step control, interleaved or microstep and rotary angle control. 5.4?way H?bridge with L293D chip, each channel bridge provides 0.6A (peak 1.2A) current with thermal shutdown protection, 4.5V to 36V. specificationFeatures:_x000D_ _x000D_ It can drive 4 channels DC motors or 2 channels stepping motors while driving 2 servos. _x000D_ More functions, easy operation, with powerful driver library support and function updates. _x000D_ With for reset button, up to 4 bidirectional DC motors and 4 channels PWM speed adjustment(approximately 0.5% resolution). _x000D_ Up to 2 stepper motors with positive and negative control, single/double step control, interleaved or microstep and rotary angle control. _x000D_ 4-way H-bridge with L293D chip, each channel bridge provides 0.6A (peak 1.2A) current with thermal shutdown protection, 4.5V to 36V. _x000D_ Pull-down resistors ensure that the motor remains stopped at power-up and is compatible for Diecimila, for Duemilanove. _x000D_ A full set of spare parts is available for DIY fans who want to do it themselves. _x000D_ _x000D_ :_x000D_ Material: PCB_x000D_ Color: As is shown on the photo_x000D_ Quantity: 1_x000D_ Condition: 100% Brand New_x000D_ _x000D_ Package List:_x000D_ 1 x Module PackageList