USB to 5.5mm Barrel Jack Adapter

Adapter cable from USB to a 5.5 mm barrel jack plug. It carries the 5 V of a USB port to a DC plug. The DC socket of an Arduino UNO is designed for 7 to 12 V, so for this board its own USB port is the better choice.

Recommended Accessories:

• 5V 3000mA USB Power Supply AC/DC Adapter

Features:

• USB-A plug to 5.5 mm barrel jack plug
• Check the polarity: positive on the centre contact is most common

Application Examples:

• Operating 5 V devices with a DC socket from a USB power supply or power bank

Documentation:

• Connector Basics, section Barrel Connectors (SparkFun)

Technical Data:

• Colour: black
• Length: 80 cm
• Weight: 20 g

Scope of Delivery:

• 1× USB to barrel jack cable