Look Ma! no keyboard, no mouse, no display...

While booting a RPi you usually attach a keyboard/mouse and display (i.e. via the HDMI connector). But what if you don't have such peripherals at hand? or you just want to run a "headless" server?

Driving Adafruit motor shield from RPi with Python

As I planned to build a RPi controlled robot, I selected the Adafruit motor shield v1 as the component to control the robot's two DC motors. But given the project I was using as a guideline uses a L293D-based circuit and all the source code is Python, I was facing a problem...