L293D DC Motor Driver Shield

2 interface for 5V Servo connected to the for Arduino's high-resolution dedicated timer - no jitter. Can drive 4 DC motors or 2 stepper motors or 2 Servo. Up to 4 bi-directional DC motors with individual 8-bit speed selection. Up to 2 stepper motors (unipolar or bipolar) with single coil, double coil or interleaved stepping. 4 H-Bridges: per bridge provides 0.6A (1.2A peak current) with thermal protection, can run motors on 4.5V to 36V DC. Pull down resistors keep motors disabled during power-up. 2 external terminal power interface, for seperate logic/motor supplies. Compatible with  Arduino UNO, Mega, Diecimila & Duemilanove. Reset button. Size:70*55mm