So why should your breadboard be any different? [Axiometa] has recently unveiled a simple PCB that will plug into a standard solderless breadboard to provide 3.3 and 5 VDC when connected to a USB ...

One way to crack this nut is to make the solderless breadboard jumperless, too. That’s the idea behind “breadWare ... a lead for a through-hole in the PCB. It seems like a lot of work ...