9V Battery

9V battery

Image courtesy of SparkFun Electronics

Use a 9V battery with your Arduino projects to provide a higher-current power supply for things like motors. You can also feed 9V power into your Arduino’s DC barrel jack using 9V battery clip with a jack to get a regulated 5V from the internal regulator.

Buy a 9V battery from Amazon, SparkFun, Adafruit, or Newark.