http://chaokhun.kmitl.ac.th/~kswichit/c52robot/c52robot.htm
Do-it-yourself monitor cable
http://www.softwolves.pp.se/cbm/maskinvara/scart
for PICmicro and Scenix
http://www.picant.com/c2cpp/cpp.html
includes unteractive animated demonstration of remote control operation and signals
http://cgl.bu.edu/GC/shammi/ir/
http://www.funet.fi/pub/cbm/schematics/computers/c64/index.html
microcontroller based cable tester verifies the correct wiring of the cable, up to 8 conductor cables
http://www.edn.com/archives/1998/092498/20di.htm
Viewer that supports all DXF/DWG, HPGL, HPGL/2, JPG, and TIF files, even within ZIP archives, and allows to print them.
http://www.guthcad.com.au/viewer.htm
A text editor which allows to create, edit and spell check text, attributes, notes and text tables in AutoCAD drawings.
http://www.wascotech.com/cadet/index.html
http://www.securityideas.com/securitycam/howtocalvold.html
A freeware awarded scientific RPN calculator for Windows with many functions and customizable user interface
http://www.speech.kth.se/calculator