If you have a few security cameras watching over your world but they're fixed in one position, the following project can offer you a way to add motorised position control for up to four cameras and control them from a PC. Instructables user "shadowinfinity" describes how to use a pair of servos to add a pan/tilt interface to an existing camera , and has also supplied PC software to control up to four at once. So you can have quite a professional setup without the cost and (hopefully) had fun by doing it yourself!
If you'd like to learn about Arduino - but not sure how to start - then the best way to learn is with our Experimenter's Kit for Arduino:
The package includes a wide variety of parts, sensors and modules including: a servo motor, lights, buttons, switches, sound, sensors, breadboard, wires and more. Furthermore a Freetronics Eleven Arduino-compatible board is included to make this an extensive hobby experimenter, inventor and starter kit. However we don't leave you alone to figure it all out, included is a great project and instruction booklet, plus access to a supporting web page and software examples. In other words - this is everything you need to get started for a fun range of electronics and Arduino related projects!
So to get started or for more information and to order, check out the product page.