PRT-10288

  DC Barrel Jack Adapter - Female PRT-10 288 Description: 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-positive female barrel jack. If you have a power supply with a barrel jack and want to plug it into a breadboard, this might be the simple solution. https://www.sparkfun.com/products/10288 8/5/2016