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Operation help

  • Select mode: drag components; middle-drag to pan; double-click switches; J cleans up junctions.
  • Wire mode: select a start and end; right-click undoes the last bend, Esc cancels.
  • While drawing a wire, right-click or press Backspace to remove the last fixed bend.

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    Start your electrical experiment

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    Recently updated experiments

    10.R049

    My experiments

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    Wire physical components and observe live readings.

    Canvas settings
    Display

    Components

    Drag components onto the canvas or click to add. Wiring and parameter changes calculate automatically.

    Pinch with two fingers to zoom the canvas
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    Start building your circuit

    Component dragging, wiring and solving are not initialized.

    Properties

    Select a component to view and edit its parameters.

    Component ID
    Component name
    Description

    R

    Battery pack

    Internal resistance

    Switch stateOpen
    Resistance box
    Total resistance

    C12
    Component parameters
    AC source
    Energy meter
    Lamp settings

    Appliance settings
    Power switch
    Fan speed
    Main switch
    Protection settings
    Fuse wire
    Switch state

    Generator settings

    Logic gate power

    LED
    AC source settings
    Instrument settings

    Component parameters

    #1
    #2
    #3
    #4

    Four independent branches; R = ρL / S. Temperature and contact resistance are omitted.

    Motor
    Changeover switch
    Rheostat
    Specifications
    50%

    Bulb ratings

    Wire color

    Results

    Solver status
    Waiting for live calculation
    Selected component voltage
    —
    Selected component current
    —
    Selected component power
    —

    Create a circuit to see live readings.

    Loading the laboratory. Drag blank space / middle-drag to pan | Wheel: zoom | R: rotate | Delete: remove | Double-click: toggle switch | Two fingers: pinch to zoom Components: 0 | Wires: 0