We all carry supercomputers in our pockets and use dozens of electric gizmos every day but rarely stop to marvel at the magical act of flicking a switch. Use your ordinary conducting and extraordinary ...

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 ...

There have been many different ideas presented for increasing the acoustic output of a piezo buzzer or ultrasonic transducer. Most of them involve rather complicated circuitry that drives up the total ...

A circuit is a closed loop containing various components. Electrical current flows around the circuit. Scientists use symbols to represent the different components in a circuit. Symbols are simplified ...

This course gives students a hands-on introduction to Basic Electric Circuits. The lectures introduce the theoretical background and application of simple circuit elements (resistors, capacitors, ...

Introduction to fundamental concepts and applications of electrical engineering. Topics include: circuit analysis from dc resistive networks to networks of impedances operating in the sinusoidal ...