Zaurus used as cow collar

The title seems a joke, but is not. This guy has used a Zaurus PDA, a GPS, WiFi network card and a loudspeaker to create a virtual fence for cows.

That works like that: when the cow goes nearby the virtual perimeter the PDA emits a loud noise, like a lion or a snake was nearby. The point is that the cow should be scared enough to run away.

Read more here.

The original New Scientist article.

Posting source: LinuxPDA