How to Power Your Arduino

Connect a 9V battery to the Arduino

By Cherie Tan

Powering your Arduino is a crucial first step in almost any Arduino project.

In this guide, we will show you how to power up your Arduino with a 9V battery.

Doing so will enable you to begin with your very own creations!

Connect a 9 Volt Battery to your Arduino using the supplied 9 Volt Battery Snap.

Plug the connector into the external power port on the Arduino

Depending on what you are asking the Arduino to do, the 9v battery can last 10+ hours!

Step 1 — Connect a 9v Battery to your Arduino

Connect a 9 Volt Battery to your Arduino using the supplied 9 Volt Battery Snap.

Plug the connector into the external power port on the Arduino

Depending on what you are asking the Arduino to do, the 9v battery can last 10+ hours!

9V to Barrel Jack Adapter Optional

$7.07

Uno R3 - Little Bird Optional

$19.00

2 parts total

Required parts $0.00

Optional extras +$26.07

Total (required) $0.00

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