Let’s start with the simple case: performing an action only when the switch goes active. We’ll assume the switch starts in ...

If you’ve been to a wedding or a downtown coffee shop in the last 10 years, you’ve probably seen those little lightboxes that are so popular these days. They consist of letters placed ...

Even entry-level oscilloscopes today have simple math functions such as adding or subtracting two channels. But as [Arthur Pini] notes, more advanced scopes can now even do integration and ...

Audit your home for energy leaks, tweak usage habits and install efficient appliances and fixtures to reduce your electric bill. This page includes information about these cards, currently unavailable ...