Breadboard Power Supply Module 3.3V 5V USB for Arduino Raspberry Pi Board MB102 | eBay
SparkFun Breadboard Power Supply 5V/3.3V - PRT-00114 - SparkFun Electronics
Good quality Breadboard power supply module from PCBWay official on Tindie
Breadboard Power Supply 5V/3.3V - DFRobot
How to Use a Breadboard Power Supply
MB102 Breadboard Power Supply Module – diymore
5V-3.3V Breadboard Power Supply v1.1 | Seeed Studio Wiki
Breadboard Power Supply 3.3V & 5V
Amazon.com: ALAMSCN 3.3V 5V MB102 Solderless Breadboard Power Supply Module with 9V Battery Clip Power Cable 2.1x 5.5mm Male DC Jack Plug for Arduino (Pack of 3) : Electronics
$5.95 - Mini USB Breadboard Power Supply Module 3.3V & 5V (Arduino & Raspberry Pi Compatible) - Tinkersphere