5v/3v Breadboard Power supply

grabcad

This isn't the final product, just a quick fix to get something done for a specific task I had pending, and a existing solution couldn't be found that met my requirements. Pins, power jack, USB connector and pushbutton all work seamlessly, but this might not be precise enough if your project requires extremely fine tolerances, however, it has already proved to be helpful for at least one person.