Arduino not only senses the world through sensors — it also responds using outputs. Outputs are how a machine shows what it decided: a light turns on, a buzzer sounds, a fan spins, or a motor moves. In this lesson you will learn to connect common outputs (LED, buzzer, fan/motor), control them in code, and drive them safely from Arduino.
Lesson 1: Arduino – The Mini Brain
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Lesson 2: Inputs – Arduino Can Sense!
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Lesson 3: Outputs — Making Arduino “Speak” Back
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Lesson 4: Code to Control
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Lesson 5: Smart Room Ideas
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Lesson 6: Test, Debug, Tweak
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