An electronic circuit simulator inspired by Paul Falstad's excellent circuit simulator.

A visual, fully interactive circuit simulator in your browser.

// TODO

• Visible component values
• Deletable components
• Editable components values
• Transient analysis
• Capacitors
• Inductors
• Time-varying sources (e.g. sine wave voltage source)
• Default circuit on startup
• Multiple component selection
• Oscilloscopes
• Helpful error messaging (for voltage source loops etc.)
• Non-linear analysis
• Diodes, transistors & valves
• Save, load and share circuits
• AC analysis

Want to play around?

git clone git@github.com:circuitsim/circuit-simulator.git
cd circuit-simulator
npm install
npm run dev

Open localhost:8080.