Hackaday

CPLD Tutorial: Learn Programmable Logic The Easy Way

The guys over at hackshed have been busy. [Carl] is making programmable logic design easy with an 8 part CPLD tutorial. (March 2018: Link dead. Try the Wayback Machine.) Programmable logic devices are ...
EDN

Simple XOR logic elements on transistors

Logic elements “Exclusive OR” are widely used in a variety of digital devices. However, in some cases, for example, when using increased operating voltages, the use of standard chips is impossible.
EDN

Easy- and fun-to-use schematic-driven logic simulator is now freeware!

Have you seen the MultiMedia Logic Simulator (MMLogic) from Softronics Inc? If not, you are in for a treat, because this incredibly easy-to-use tool is now available for Immediate Download as Freeware ...
Nature

Molecular implementation of simple logic programs

Figure 1: Molecular implementation of propositional logic statements and deductions. Using this system one can specify logic programs with facts and rules as well as various queries as a text file. A ...