DAOKI 5 PCS L298N Motor Drive Controller Board DC Dual H-Bridge Robot Stepper Motor Control and Drives Module for Arduino Smart Car Power UNO MEGA R3 Mega2560 The signal is shown in the figure The connecting method is shown inbelow figure after enable ENA ENB Driving DC motor Because the module is drived by double H bridge,it can drive two motors simultaneously. Input the following driving timing from IN1-IN4 then the speed and direction of the stepper motor can be controlled