Chinese HW-131 breadboard power supply, clone of YwRobot MB U2 – Richard Mudhar
5V/3.3V Breadboard Power Supply v1.2 - EasyEDA open source hardware lab
current - Which 9 V DC Adapter Need for MB102 Breadboard Power Supply - Electrical Engineering Stack Exchange
Curcuit voltage drop with external power supply - Project Guidance - Arduino Forum
A Breadboard Power Supply That's More Universal Than Most | Hackaday
breadboard power supply - Search - EasyEDA
Versatile Power Supply for Breadboards | Elektor Magazine
MB102 Breadboard Power Supply module: Pinout and How to use it
Breadboard Power Supply | Full Electronics Project
Breadboard Power Supply Module
Breadboard Power Supply Box – Electronics Projects Circuits
I made a power supply for my breadboard! Post includes schematic and vero layout for anyone who is interested. : r/diypedals
Amazon.com: 10Gtek 3.3v 5v Power Supply Adapter for MB102 Prototype breadboard DC 6.5-12V or USB Power Supply Module, for Arduino breadboard : Electronics