This free educational series aims to educate about the basics of electronic theory ... series/parallel circuits, Ohm’s law, and how to calculate a resistor value for an LED.

Hackaday reader [grenadier] wrote in to share a series of tutorials he is working on, where he discusses the basics of electricity and electronics. The first lesson titled, What is Electricity?” ...

Prior knowledge needed: A basic understanding of electrical circuit analysis, introduction to Circuits and Electronics (Basic Electronics), Linear Circuits, Microelectronics and Circuits as Systems.

If the signal is amplified, it is active. A special type of component is the integrated circuit (IC) where large numbers of transistors, resistors, diodes, and other electronic components are packaged ...