Model 5105B is billed as a cost-effective 150 MHz analog/digital storage oscilloscope. The compact, versatile, easy-to-use benchtop unit is a high-performance product with the capability to digitize and store waveforms with its 1 Gs/sec A/D converters. Features include auto set, save/recall, readout cursors, on screen help, RS-232 interface and 8-bit low noise Flash A/D converters.
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.