Dustyn Roberts' project, Not Lazy Susan, comes from her book, "Making Things Move." In this project Dustyn takes the Lazy Susan concept and turns it into a rotating platform with hidden qualities. To make things interesting, she uses an infrared (IR) LED and phototransistor to make the table rotate with just a wave of a hand. You can use this as a table to magically serve food to dinner guests, or to make a fun interactive centerpiece.
Most machine design engineers will survey existing component manufacturers for standard linear guide products, limiting what they can do with their designs. Using extruded aluminum profile guides can customize machine designs while shrinking the bill of materials.
Practically all electronic devices today contain metals that may
be coming from conflict-ravaged African countries. And political pressures will increasingly influence how these minerals are sourced and used in products.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.