Arduino Motor Shield Rev3 (Ori)

Control speed and direction for two DC motors, or just speed with four DC motors; drive a large stepper motor up to NEMA 17.
Connect other sensors and actuators through the shield’s Molex connectors.
Connect more to your board! It works also for up to four (external) relays or solenoids.
Works with your Arduino Uno, Uno SMD, Mega, and Leonardo.
External power input to separate the motor power from the microcontroller one.

Spesifikasi:
Operating Voltage 5V to 12V
Motor controller L298P, Drives 2 DC motors or 1 stepper motor
Max current 2A per channel or 4A max (with external power supply)
Current sensing 1.65V/A
Free running stop and brake function

Datasheet: http://arduino.cc/en/Main/ArduinoMotorShieldR3