Navigation: PT · Lesson content: English. Chinese lessons available.

0 / 16

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.

Independently modeled teaching circuit with detailed connectors, pins, chip and component wiring

Preparing the 3D view. Experiment controls are already available.

Ready to explore
SIGNAL TRACEWaiting to run
Component directory · select to locate

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
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.

Show explanation

FULL-SCREEN STUDY

LED Blink: HIGH, LOW & Delay