ISA Bus Technical Summary
- The Industry Standard Architecture information.
- http://www.techfest.com/hardware/bus/isa.htm

PC Interfacing Tutorials
- Complete tutorials on PC interfacing including schematics, photos highlighting construction tips, PCB artwork and source code for programming. Learn how to interface DC and stepper motors, ADC/DAC, keypads, LCDs, and relays.
- http://www.boondog.com/