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.
Build Your Own Drone Manual: The practical guide to safely building, operating and maintaining an Unmanned Aerial Vehicle (UAV) (Haynes Owners' Workshop Manual) ** Continue to the product at the image link.
Drones are very popular toys and tools these days. You can find professional and even beginner drones and flying gadgets in the market. I have four drones (quadcopters and hexcopters), because I love everything that flies, but the flight isn't so in