These designations spell out the number of contacts and how they behave during operation. For instance, a basic on/off light switch is an example of a single-pole (i.e., one-circuit) single-throw (i.e ...

Basic snap-action switches have been around in one form or another since the 1930s, when the first precision snap-action switch was developed for temperature control in a chicken brooder. The ...

A few weeks ago, I wrote about fixing the VDO windshield washer pump in a vintage European car. As part of that, I quickly ...

A previous Design Idea outlined a relatively simple circuit in which a momentary pushbutton could be made to function like a latching, mechanical switch. The article generated a good deal of reader ...

When we moved into our new home — a major fixer-upper — I thought it wasn’t cozy because of the arctic-blue painted walls (everywhere) and swirly brown 1970s carpets. And sure, the décor wasn’t ...

There is a growing demand for precise health management, capable of differentially caring every inch of skin as an on-body network. For which, each network node executes not only multi-physiological ...