ACE 5484-4 L293D Motor Drive Shield Expansion Board

This motor driver shield is based on L293D motor driver chip which is designed to provide bidirectional drive currents of up to 1.2 A each bridge with thermal shutdown protection at voltages from 4.5 V to 36V. It can also drive 2 stepper motors (unipolar or bipolar), single coil or double coil, interleaved or micro-stepping. It contains 4 H-bridges which provide up to 0.6 A per bridge (1.2A peak) at voltages from 4.5 V to 36 V. This shield has pull down resistors to keep the motors disabled during power up. It also features a 2-pin terminal block to ensure separate logic and motor external power supplies. This is compatible with Arduino Uno, Mega, Diecimila, and Duemilanove.

This motor driver shield is capable of driving:

Four DC motors and two servos

Two DC motors, stepper motor, and two-way servo

Two stepper motors and servos