Electronics, from first principles
Learn Electronics
Learn electronics from first principles: 2 schools, 262 lessons, and 4 guided learning paths.
Everything you need to learn electronics, from first principles to practical repair and test-bench skills.
Schools
Two schools, 13 departments
School of Fundamentals
Electricity Basics · DC Circuit Analysis · Capacitance, Inductance & Transients · AC Circuits · Magnetism & Transformers · Test, Measurement & Lab Practice
02School of Components
Resistors & Resistive Devices · Capacitors · Inductors, Electromechanical & Hardware · Diodes & Rectification · Transistors · Thyristors & Power Devices · Essential Integrated Circuits
Learning Paths
Follow an ordered route
A path threads existing lessons into one sequence, so you can start at the beginning and keep going in order.
Parts reference — Pinouts and ratings for the parts these lessons use.