That "something" could be a simple switch that controls a light ... Because they're safety devices, circuit breakers have to work automatically. (Of course, you can also operate them manually ...

But you can know how to use op-amps without really knowing how they work. Have you ever peered ... it has the advantage of an extremely simple internal circuit, one that can be easily explained ...

How do switchers work? Well, you buy a switching power ... In this installment of Circuit VR, we’ll look at a simple buck converter — that is a switching regulator that takes a higher voltage ...

Building simple circuits with copper tape ... A few students did have success getting their name tag circuits to work.

This paper provides simple circuit designs that meet those goals. It presents a discrete PD interface circuit that has been shown to work in University of New Hampshire Interoperability Consortium ...