Brian Connors: Lego Mindstorm Information
Provides a reference guide to everything you'll need to get started with Mindstorms, Not Quite C code snippets, and links to RCX programming.
Bricx Command Center
Software to program the RCX in NQC(no new firmware needed.) Includes many useful tools for debugging, NQC tutorial, and neat colored code viewing.
InfraDreadnaughts
A collection of Lego RCX combat robots, includes RotoKiller, AlienEater, and Helichopper.
Jumpstation: LightScan
Features a lightscan built from the Robotics Invention Kit 1.5. Animated photographs and description provided.
Lego Mindstorms Set Database
Pictures and description details for 20 model, sets, kits, and systems. Lugnet guide.
Lego Palm: Tijger Tsou
A Palm VII handheld device made from nothing but Lego bricks, without using any glue.
NQC (Not Quite C)
NQC is a C-like language for programming the LEGO robot. Provides a text based alternative to the graphical bricks that comes with the RIS. See BricxCC for a nice user interface …
Philo's Home Page
Lego Mindstorms constructions and tips, NQC programs, LeoCAD instructions and robot that takes panoramic pictures.
TFM's Lego Inventions
Features original ideas, designs, and models including the controlled Lego train crossing, cable car model, inverted hopper, and images of RCX controlled train.