Circuit Digest

Joule Thief Circuit: A Low-Power Voltage Booster

This resource provides clear explanations of how switching regulators work and how voltage boosting is achieved efficiently ...
EDN

Two simple secondary battery circuits

Over the last couple of decades the use of rechargeable batteries has grown enormously, and for most common applications there are ASICs[1] which control battery management with very little additional ...
EDN

Simple battery circuit extends Power over Ethernet (PoE)

PoE power comes in the form of “48V at 350mA. If the PoE current is allowed to exceed 400mA, the standard calls for the PSE to break the circuit. This is a problem for devices that occasionally need a ...
BBC

Introduction to circuits

For electricity to flow, everything needs to be connected in a big ring. It’s called a circuit. For example, the lights in most houses and flats are part of a circuit controlled by the consumer unit, ...
BBC

KS2 Science: How do electrical circuits work?

Hi! I'm Mwaksy. Hey, I'm Greg.Greg, a question for you. Yes?How do you get from this… Mm? …to this?Skills! How'd you do that? I'm very glad you asked,because that ...