An assortment of microcontroller projects for robotics and other embedded applications. Projects include a software component, a hardware component, or both. The information and source code is proprietary. The license allows free (gratis) download and use http://projects.cappels.org/
Tutorials on the use of computers in automation, control and robotics. Includes simplified descriptions of feedback, proportional control, derivative control, and integral control. http://www.pc-control.co.uk/
Detailed construction notes for creating robots based on direct-drive stepper motors salvaged from disk drives. A PIC 16F84 is used for control. Site includes diagrams and schematics. http://www.voti.nl/stepbots/