Barrel Jack Adapter - USB to 5.5mm

The Barrel Jack Adapter - USB to 5.5mm from Sparkfun is a straightforward yet effective tool that effortlessly converts a USB port to a 5.5x2.1mm barrel connector. With its center positive feature, it enables any computer or laptop USB port to provide Sparkfun development boards with a 5V power supply.

While the USB specification caps current consumption at a maximum of 500mA from a USB port, this power limit is more than sufficient to operate a basic development board. Hence, this adapter offers a practical solution for powering up your development boards without any hassles.

Another noteworthy feature of the Barrel Jack Adapter is its cable length. Spanning a full meter, this adapter offers ample length to accommodate your setup, whether it's a complex development board arrangement or a simple laptop connection. This ensures that you have enough flexibility and freedom to position your development board as per your convenience.

By using Sparkfun's Barrel Jack Adapter, you can enjoy the convenience of powering your development boards directly from your computer or laptop. This eliminates the need for additional power supplies, making your workspace more organized and clutter-free. Moreover, it's a cost-effective solution that saves you from investing in separate power supplies for each of your development boards.

In conclusion, Sparkfun's Barrel Jack Adapter - USB to 5.5mm is a compact, practical, and cost-effective tool that simplifies the process of powering up your development boards. With its ample cable length and compatibility with standard USB ports, it offers a user-friendly solution for all your development board power supply needs.