Description L293D use 16 pin DIP package its internal integration is bipolar H bridge circuit This kind of bipolar pulse width method has many advantages such as the current continuous or micro current vibration when motor stops which as a lubrication effect It can eliminate the dead zone of static friction when positive and negative If you needL293D data English file please write emial to wangzhanxiemeijuan banggood cn or huxiaoqi banggood cnPackage included 3 x Motor Drive Shield L293D