ITEM NAME:L293D Stepper Motor Driver Control Shield Module Expansion Board 4.5-16V DC Description: - 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. - Pull down resistors keep motors disabled during power-up. - 2 external terminal power interface, for seperate logic/motor supplies. Specification: - Material: FR-4 Epoxy Glass Fiberboard - Size: Approx. 7.0 x 5.3 x 2.0 cm / 2.76 x 2.09 x 0.79 inch Package Included: 1 Piece L293D Motor Drive Expansion Board Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement..1 Piece L293D Motor Drive Expansion Board. - Can drive 4 DC motors or 2 stepper motors or 2 Servo. - Up to 2 stepper motors (unipolar or bipolar) with single coil, double coil or interleaved stepping.