Build circuits in the canvas below. Experiment without burning anything!
Start Building
1) Pick a tool (Resistor, Battery, or Lightbulb) and click the canvas to place it.
2) Switch to Wire mode, then click two components to connect them.
3) Add nodes or connect wires to create branching/parallel paths.
4) Click “Simulate Circuit” to see a quick result.
5) Double‑click any component to edit its value (supports units like 10k or 9V).
Tool: Select