Arduino 9V Battery Connector

CFA300.0

You can power your Arduino board through the USB connection, or through an external power supply with a 2.1mm center positive barrel jack. A 9V battery is a great way to power your Arduino board when USB power is not enough – i.e., when you use any kind of motor, or many LEDs simultaneously.

Description

You can power your Arduino board through the USB connection, or through an external power supply with a 2.1mm center positive barrel jack. A 9V battery is a great way to power your Arduino board when USB power is not enough – i.e., when you use any kind of motor, or many LEDs simultaneously.