CurrentCost on my phone

CurrentCost meter cable connected to an NSLU-2 (slug)

 

A Perl script on slug publishing CurrentCost updates to a small message broker running on the slug

 

Another Perl script subscribed to the CurrentCost feed, which uploads the latest usage and temperature to pachube (www.pachube.com/feeds/1214)

 

Android widget (available for free in Android Market) subscribed to the pachube feed

Done