SunFounder Breadboard Power Supply Board Module 3.3V 5V for Arduino Board and Raspberry Pi, MB102 Compatible with UNO R3 Mega2560 Nano Raspberry Pi 3, 2 Model B & Raspberry Pi 1 Module B+ A convenient power supply module which can be suitable for MB-102 breadboard, supporting 5 V or 3.3 V output. Input voltage: DC 6.5-12 V. Output voltage: 3.3V/5V; Maximum output current: 700 mA. With Power-on indicator LED; two circuits at top and bottom for separated control  can be changed between 0V, 3.3V and 5V. Uses a USB Type-A 5V output port for control board and a voltage regulator chip 1117-5.0V/1117- 3.3V.