It Can See; Giving Your Bot Sight!

Previously we unveiled our love for the Arduino and the Zumo Shield that gives us a massive head start to building our own robot army.  The basic shield has a Zumo reflectance sensor array for primarily line following, and an LSM303DLHC accelerometer & magnometer (magnet-o-meter) for navigation.  But a lot of the remaining Arduino pins are not used, so this gives us the capability to add more tech or sensors so our robot can…