In this DIY tutorial, learn how to make your very own USB electric lighter at home with simple materials and step-by-step guidance. Perfect for tech enthusiasts and hobbyists, this project combines ...

In this course, you will learn the purpose of each component in an equivalent-circuit model of a lithium-ion battery cell, how to determine their parameter values from lab-test data, and how to use ...

Play dough circuits 2: experiment with electricity Last time, we went through the basics of how to make simple electrical circuits with play dough and light-emitting diodes, now it's time to ...

To make something work using electricity there needs to be an electrical circuit; a circuit is a complete loop that electricity can move around. Electricity moves from the power source (the ...

A transistor acts like a switch in an electrical circuit: a voltage at the transistor’s ‘gate’ terminal allows current to flow through a semiconductor inside the device. If the semiconductor ...