CircuitJS Simulator

Tools / Waves & Vibes

Build circuits and explore voltage, current, and waveforms. Use File → Import From Local File for saved CircuitJS circuit files, or choose an example from Circuits.

Open simulator full screen ↗

Simulation runs in your browser. Image-to-circuit recognition is not yet available; image files cannot be imported as circuits.

Originally by Paul Falstad; browser adaptation by Iain Sharp and contributors. Hosted from Amber’s CircuitJS fork. GPL license · Corresponding source