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LED Blink: HIGH, LOW & Delay
Run an Arduino LED blink experiment. Compare 500 ms and 1000 ms delays, follow D13, and calculate the full on-off cycle.

Preparing the 3D view. Experiment controls are already available.
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Ready to explore
SIGNAL TRACEWaiting to run
Component directory · select to locate
No matching parts. Try a component name or pin number.
Numbers match model markers. Select a part for its function, connections and controls. With the model focused: Q/E rotate, WASD pan, +/− zoom, R reset, Esc returns.
CODEUNOLED
Experiment controls
Change one thing. Make a prediction, then run it.
sketch.ino
| Pin | Connects to |
|---|
Signal-path reference only. Verify component documentation for physical wiring.
Signal monitor
Run the experiment to watch inputs and outputs here.
Guided simulation · not a C++ compiler
Your experiment
Make the light stay on twice as long as it stays off.