Detailed technical information and internal specifications on the Lego Mindstorms RCX brick and Infrared tower with a large collection of programming resource links.

The official site, including product information and a FAQ.

Open source project that provides a bridge to Lego Mindstorm users allowing them to do robot simulations with their robot designs using the Rossum robot simulator.

Simon Ritter shares his experiences working with Java technology and Lego robots.