Sparkfun

This adapter allows you to connect a barrel jack connector to bare wires. One end has screw terminals and the other has a 5.5x2.1mm, center-positi...

This adapter allows you to connect a barrel jack connector to bare wires. One end has screw terminals and the other has a 5.5x2.1mm, center-positiv...

USB as a power connection standard is common these days, but you don't always have a computer on hand so how are you going to power all of your swe...

Have you ever needed to power a project while in your car? Now you can without having to drag a computer along with this cost effective 5V, 2.4A U...

This is a high-quality switching \'wall wart\' AC to DC 5.1V 2,500mA USB Micro-B wall power supply manufactured specifically for projects that req...

USB is being implemented as a power connection standard more and more these days, but you don\'t always have a computer on hand so how are you goin...

Two pin JST connector to a 2.1x 5.5mm barrel jack, 6.25 inch long jumper cable. We use this cable to adapt from a wall power supply to a relativel...

This is a simple cable that adapts from a USB port to a 5.5x2.1mm barrel connector, center positive. This cable allows the user to use a USB port ...

This isn\'t your ordinary power supply. The Global Power Supply is a 15V, 4.34A power device specifically designed to work with the [JustBoom Amp ...

This simple cable has so many uses! Plug the 9 volt battery clip onto a standard 9V battery and connect the other end to anything with a 5.5x2.1mm...