This is a simple program to display digital signals on the PC. It can be used as a digital probe to analyze low frequency data.
http://members.home.nl/b.vandam/lonely/pagina39.html
for radio communications
http://www.w9gr.com/dsp3.pdf
http://www.edn.com/archives/1997/100997/21di_03.htm
This design awarded the third international prize in the Elektor Electronics 1997-98 Microprocessor and Microcontrollers Design Contest
http://www.geocities.com/CapeCanaveral/Launchpad/3632/dvm.htm
based on PIC16F876
http://hawthorn.csse.monash.edu.au/~njh/electronics/watersensor/
http://www.web-ee.com/Schematics/Digital_Phase_Shifter/dps.htm
a graphical user interface which allows users to construct and simulate simple digital circuits.
http://www.cs.mun.ca/~donald/digitcl
is an approach for specifying digital logic circuits and translating them to LOTOS.
http://www.cs.stir.ac.uk/~kjt/software/lotos/dill.html
Pictures and information on a simple wall-follower MicroMouse powered by a single motor.
http://www.swallow-systems.co.uk/dim/dim.htm
How tp assemble a bike light, with 10W halogen, and 3.5Ah 7.2V lithium ion battery pack.
http://www.ladyada.net/make/bikelite/index.html