Stages

3-3Push ButtonMake a power lamp, and a call lamp that lights only while the button is held down

Power off

Parts

This stage can be solved with wiring alone.

Goals

  • With S1 ON (button released), only L2 lights
  • With S1 ON, L1 also lights while the button is pressed
  • With S1 OFF, both stay off even when the button is pressed

Rules

  • Don't burn out the LED (25 mA max)
  • No short circuits
B13VS1OFFP1R1100ΩL1RedR2100ΩL2Red−++−+−

Selected

Press a terminal (the small ◯) to start a wire. Press where you want to bend to place corners, and finish on another terminal or on a wire. Press the middle of a wire and then somewhere else to draw a branch from there. You can drag parts and wires to move them. When you are ready, press "Run!" to turn on the power, and try the switches while it is on.

Line mode

Keys

W
Draw wire
R
Rotate
M
Move
G
Drag
Del
Delete
⌘Z
Undo
⌘⇧Z
Redo
Enter
Run
Home
Fit
H
Hint

Wheel to zoom, right-drag to pan