A conceptual model of documented behavior — not the actual implementation.
open it up
Each lesson is a diagram you can drive. Change an input, replay the flow step by step, and watch where the signal goes.
Use ← and → to step through.
Three questions on what the documentation says. Answering all three marks the lesson complete.
This lesson could not be played.
Its data failed the schema check, so the simulation is unavailable. The overview above is shown instead.
No lesson is registered under that address.