OSOYOO 5PCS Breadboard Power Supply Module 3.3V/5V For Arduino MB102 Solderless Bread board MB102 3.3V/5V Power Supply Module can directly takes power from DC and outputs 5V and 3.3V regulated voltage at the same time, so you can use 3.3V and 5V at the same time for your project through this module Compare with other power supply designs, this one provided USB Type-A port like the Arduino family, you can toggle the switch and select your power source. (USB or DC jack).This item is suitable for all kinds of electronic manufacture and experiment. Apply to MB102 breadboard Maximum output current: less than 700 mA Package Content : 5 x MB102 Breadboard Power Supply Module for Arduino Board 3.3V/5V