DC Barrel Jack Adapter - Female
Buy 10 and save 10%:€3.81 €3.15
Buy 25 and save 29%:€3.03 €2.50
This adapter allows you to connect a barrel jack connector to bare wires. If you have a power supply with a barrel jack and want to plug it into a breadboard, this might be the simple solution.
More information on the website of Sparkfun.