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 Schematic & Reference Design EAGLE files: arduino_MotorShield_Rev3-reference-design.zip Schematic: arduino_MotorShield_Rev3-schematic.pdf