[Ben] wanted a switch mode power supply for his breadboard. He ordered a PTH08080 module which is made by Texas Instruments. The spec sheet would make it a great choice for him, but he was not ...

(Without Microcontroller Board) Breadboard and Power Supply Modules-Include various LEDs, resistors, buttons, capacitors, a few transistors and diodes etc. With jumper wire and Male-female dupont ...

It wasn’t long ago, for example, that a solderless breadboard was reasonably expensive ... and a common small power supply module. Of course, you also need a few breadboards.