News, Articles and Tutorials about Electronics - Fundamentals

Learn to analyze simple circuits using voltage and current sources, resistors, Ohm's Law, Kirchhoff's laws and voltage dividers.

An intuitive explanation of Ohm's Law, from charge, current and voltage to resistance, power and the V = I·R relationship.

What an electrical circuit is and how to understand schematics, series and parallel connections, open circuits and short circuits.

The differences between conductors, insulators and semiconductors, with real examples involving materials, resistivity, PCBs and silicon.

A practical introduction to electronics: what it covers, how it fits between physics and software, and where to start learning from scratch.