Powered Tracking You Can Build Yourself - The Arduino Powered Car Tracking System uses a Arduino Uno, a GSM shield, a GPS module together with a few other parts and has been design to powered from the cars battery.
Has your kid ever wandered away? Even if you're a super-parent and have eyes in the back of your head, kids have a mind of their own. There are now lightweight, wearable location devices designed specifically for kids. See which GPS wearable and wearable