Control DC Motor Direction Using L293D Motor Driver and Arduino « Funny Electronics
Jan Lipovský | Blog: RoboCar: Arduino Motor Shield L293D with Raspberry Pi B+ (part 1)
Amazon.com: HiLetgo L293D DC Motor Drive Shield Stepper Motor Drive Shield Expansion Board for Arduino Duemilanove Raspberry Pi : Industrial & Scientific
Arduino's L293D motor driver shield guide
Jan Lipovský | Blog: března 2016
How to use L293d Module motor shield with Arduino - Make it mech