AutoFun L293D Motor Drive Shield Stepper for Arduino Uno Duemilanove Mega R3 AVR ATMEL

It reinforces the control commands of the input pins and give it to the eight output pins.
This happens via 4 H-bridges.
The output pins have clamping connections and they are labeled with M1, M2, M3, M4.
Ensure sufficient voltage and current to the VCC and GND terminal.
It can control 4 DC motors or 2 stepper motors. It also has 2 power connectors. It fits directly without tinkering on an Arduino UNO, Duemilanove or MEGA.