C8: Arduino Basic + Sensor Interfacing

After this lesson you will be able to:

  • Explain what an output is and how it differs from an input.
  • Wire and control an LED, an active buzzer, and a small DC fan (motor) from Arduino.
  • Write Arduino code that turns outputs ON/OFF or controls speed based on a sensor value.
  • Understand safe driving methods for loads that need more current than an Arduino pin can provide.
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