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This article follows the Quine McCluskey method article. We will now finding essential prime implicants using Petrick's method, simplifying incompletely specified functions, and using map-entered variables.

Part One in this two-article series focuses on the hardware setup and on using a pulse-width-modulated signal to control a servo.

Today's 3D printers had their start in the rapid prototyping technologies of the 1980s and found their use in the industrial market. As patents expire, 3D printing technology is becoming more available to consumers.