The MR267 motorized potentiometers are engineered to provide a simple and inexpensive solution for automating existing systems controlled by manually-operated potentiometers, rheostats, or rotary cam switches. They are reportedly simple to use and set up, with no computers required or software to write. The products are available in a range of configurations, including number and type of pots, number and type of cam switches, cycle time, and packing. Micronorhttp://rbi.ims.ca/4911-599
A make-your-own Star Wars Sith Lightsaber hilt is heftier and better-looking than most others out there, according to its maker, Sean Charlesworth. You can 3D print it from free source files, and there's even a hardware kit available -- not free -- so you can build one just in time for Halloween.
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.