Enjoy Circuits, a unique word game with daily challenges!

Place and wire electronic components (even a lemon) to create a virtual circuit from scratch, or use our starter circuits to explore and try things out. No additional hardware required.

Build real electronic circuits in your browser. Start from zero and follow our step-by-step guides — each one explains what's happening and why, with a live interactive simulation right there on the page.

Read about What Are Electric Circuits? (Basic Concepts Of Electricity) in our free Electronics Textbook.

May 4, 2026 · Electric circuits are classified in several ways. A direct-current circuit carries current that flows only in one direction. An alternating-current circuit carries current that pulsates back and forth …

An electronic circuit can usually be categorized as an analog circuit, a digital circuit, or a mixed-signal circuit (a combination of analog circuits and digital circuits).

6 days ago · Explore practical techniques for improving performance, integration, and scalability in planar phased array circuit architectures. Explore ADI’s Quad-Apollo MxFE X-band reference design, …

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One of the first things you'll encounter when learning about electronics is the concept of a circuit. This tutorial will explain what a circuit is, as well as discuss voltage in further detail. A simple circuit, …

Mar 14, 2026 · These free electronic circuits are properly tested and can be found with schematic diagrams, breadboard image or PCB, a detailed explanation of working principle and a …