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Expand Up @@ -7,9 +7,9 @@ Many Arduino Nano boards are powered by 3.3 V but include a dedicated pin—labe

In this article:

* [Before you begin](#before-you-begin)
* [Solder VUSB jumper pads (if required)](#solder-vusb-jumper-pads)
* [Use the VUSB or VBUS Pin](#use-the-vusb-or-vbus-pin)
- [Before you begin](#before-you-begin)
- [Requirements for supported boards](#requirements-for-supported-boards)
- [Solder VUSB jumper pads if required](#solder-vusb-jumper-pads)

---

Expand All @@ -18,18 +18,18 @@ In this article:
> [!WARNING]
> Do not connect the VUSB/VBUS/5V pin to any of the other pins on the board.

* The VUSB/VBUS/5V pin outputs power directly from the USB connector when enabled.
* Power from the USB supply can range from 4.4 V to 5.5 V, per USB specifications.
* Do not connect the VUSB/VBUS/5V pin to any of the other pins on the board. Supplying 5 V to other pins can permanently damage the board.
- The VUSB/VBUS/5V pin outputs power directly from the USB connector when enabled.
- Power from the USB supply can range from 4.4 V to 5.5 V, per USB specifications.
- Do not connect the VUSB/VBUS/5V pin to any of the other pins on the board. Supplying 5 V to other pins can permanently damage the board.

---

## Requirements for supported boards

There are two main requirements for using the "VUSB" pin:

* The board must be powered via USB. If you power the board through other means—such as a battery connected to Vin or a 3.3 V supply—the pin will not output anything.
* On some boards, the VUSB line must be enabled by connecting a pair of jumper pads.
- The board must be powered via USB. If you power the board through other means—such as a battery connected to Vin or a 3.3 V supply—the pin will not output anything.
- On some boards, the VUSB line must be enabled by connecting a pair of jumper pads.

The table below summarizes which Nano boards support 5 V output, what the output pin is called, and whether any action is required to enable it.

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