Serial port motor controller

Neat little hack to control motors via a serial port (without a board in-between).  Could be useful for robot projects in the future.

http://hackaday.com/2014/02/10/controlling-motors-without-a-microcontroller/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+hackaday%2FLgoM+%28Hack+a+Day%29