In connection with ease using 10 cables referred to more availability of connections for motors and servos stepers type Adafruit. It has 2 screws dedicated to connecting a transformer to increase the power of the connected devices. Works great with NEMA 17 motors, NEMA 23 motors for heating a bit Integrated Circuit, aquel an aluminum heatsink can be added. A direct and seamless connection (plug in) Arduino UNO.