In most of this book I’ve given very detailed illustrations to describe how to assemble the circuits, but as you can imagine, it’s not exactly a quick task to draw one of those for each experiment you might want to document.
Similar issues arise, sooner or later, in every discipline. In music, after you write a nice song, you need to write it down using musical notation.
Engineers, being practical people, have developed a quick way to capture the essence of a circuit in order to be able to document it and later rebuild it or pass it to somebody else.
In electronics, schematic diagrams (or schematics) allow you to describe your circuit in a way that is understood by the rest of the community. Individual ...