Pixnor MB102 Breadboard Power Supply Module 3.3V5V for Arduino Board Solderless Breadboard Breadboard power supply module, compatible with 5 V, 3.3 V. Apply to MB102 breadboard.Input voltage: 6.5-12 V (DC) or USB power supply. Output voltage: 3.3V5V can switch over.Maximum output current: 700 ma. Fluctuation two road independent control, can switch over to 0 V, 3.3 V, 5 V. On-board two groups of 3.3V, 5V DC output plug pin, convenient external lead use.