Easily overlooked, but fundamental to electronics hardware, the manually-operated switch is the simplest of electromechanical devices. And it is likely the most familiar. While the most basic switches are, well quite basic, there’s a huge variety of switch types and sizes available to the electronics maker nowadays. Those new to the soldering and schematics set will surely benefit from an introduction to some of the terms and formats relevant to various switch species.
Collin’s Lab: Switches