3 Ways to power an Arduino Board - Do you know them?

This video tutorial discusses three methods to power an Arduino board: using the VN pin, DC Jack, and USB cable. Each method has specific characteristics and limitations. The DC Jack requires a voltage range of 7-12 volts and includes a diode for reverse polarity protection. The VN pin is similar but lacks reverse polarity protection. The USB port provides a regulated 5V supply and includes a thermal Poly fuse for current protection. The tutorial also highlights the importance of current management to prevent damage to the Arduino board.

What are the three different ways to power an Arduino board?

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What is the minimum and maximum input voltage required for the 5 Volt regulator on the Arduino board?

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Explain the importance of using a center positive plug with the DC Jack.

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What happens if you connect a center negative plug to the DC Jack?

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What is the significance of the 1 amp limit for the 5 Volt regulator?

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How does powering the Arduino with the USB differ from using the DC Jack?

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Describe the role of the thermal polyfuse in the Arduino USB power circuit.

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