The versatile Raspberry Pi can serve many roles on a home network. We'll show you how to set up the Pi to provide some important network services.

With a few lines of self-written firmware and a simple Perl script, Perlmeister Mike Schilli trains one of his Linux computers with a plugged in Arduino board to switch electrical equipment on and off using a relay. Enchanting.

Extend protection to all of your Internet traffic with a Raspberry Pi minicomputer set up as a cost-effective external proxy server.