Lab01: Digital Input and Output with an Arduino

Add a Digital Input (a Pushbutton) Two LEDs:

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Speakers:

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Q: Don’t know how to operate the speaker, suspect to be broken; Don’t know how tone() works. Alligator?

Lab02: Analog In with an Arduino

Add a Potentiometer and LED

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Q: How do potentiometer interact with machinery gears?

Finding Your Sensor Range

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Lab03: Sensor Change Detection

Program the Microcontroller to Read the Pushbutton’s State Change