Stages

12-2Stop at the right voltageA lithium-ion cell is charging at constant current—stop it at 4.20 V and fill it up

Power off

Parts

  • Resistor (choose values)2/2 left

Goals

  • Starts charging at a constant 0.2–0.3 A
  • Current falls below 50 mA, stopping at 4.15–4.25 V

Rules

  • Don't overcharge BT1
  • No short circuits
12 V adapter12VLM317INOUTADJ321U1R15.1ΩLi-ion500mAh70.0%−+−+

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