MachineBrain.com - - Large directory of links to sites about robots, AI, cyborgs, androids, BattleBots and robotic toys.
Mechatronics Resources - - Links to information and resources dealing with mechatronics including actuators, sensors, microcontrollers, and motion controllers, products, books and references, conferences and proceedings, and journals.
NASA Cool Robot Of The Week - - NASA Space Telerobotics Program selects their favorite robot website each week. Archive of past selections.
Professor Martin Smith's Robotics Resource - - A robotics resource guide. Includes information on events, student projects, books, magazines, CD-ROMs, kits, and component suppliers.