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Mastering Arduino by Jon Hoffman

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Using the USB connector to power the Arduino

Using the USB connector to power the Arduino is the way that I usually power it. It is by far the easiest and safest way to power the Arduino and the least expensive. You can power the Arduino directly from the USB port on your computer or from a USB rechargeable power bank like the one shown in the following photograph:

This is a very affordable and simple way to power the Arduino. It can also be used for robotic or similar projects that need the mobility to move around; however, we do need to be careful when we connect shields or other accessories to the Arduino that the USB connector can draw ...

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