You can easily add Internet-based control for your Arduino if it is close enough to your server to be connected via USB. This tutorial will give the basics you need to get it working. The gist of ...

[Mike] sent in a project he’s been working on – a port of a BASIC interpreter that fits on an Arduino. The code is meant to be a faithful port of Tiny BASIC for the 68000, and true to T… ...

Thankfully, Arduino forum member Romano d'Ezzelino has put together a series of reference cards that show the basics of a number of common connections.