Breadboard Power Supply Module 3.3V & 5V (Arduino & Raspberry Pi Compatible)

Plug this Breadboard Power Supply Module directly into your railed breadboard and instantly get regulated 3.3V and 5V power on the rails! This power supply module takes a 6.5V-12V input from a DC power jack or a USB plug and converts it into a selectable 3.3V (Raspberry Pi compatible) and 5V (Arduino compatible)!

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Last Updated: 06/14/2024




This Breadboard Power Supply is your solution to powering your 3.3V and 5V breadboard electronics projects for quick and easy prototyping as well as circuit building. Power your projects by plugging in any standard DC Wall Adapter with a voltage between 6.5V and 12V such as our 9V Wall Power Adapter. The Power Supply Module will then convert the 9V into 3.3V or 5V and output it into each side of  your breadboard, giving power to your breadboard rails (the blue and red strips at the edge of the breadboard labelled + and -). Move the Yellow jumpers left or right to select whether you'd like 5V or 3.3V on the left and right rails of your breadboard. The green LED indicator will light up when your power is on. Use the onboard button to turn your power supply on/off.


  • Input Ports:
  • Outputs (to breadboard): 
    • Selectable GND, 3.3V, 5.5V DC (these outputs will be on the Blue and Red rails at the edges of your breadboard labelled + and -)
  • Locking On/Off Switch
  • Green LED Power Indicator
  • 2 sets of Jumpers (used to select 5V, OFF, or 3.3V as the output on the left & right breadboard rails)
  • Output header pins for convenient external use (if you want to plug something directly to the power module without using a breadboard)
  • Dimensions: 2.1" x 1.4"
  • Max Current:
    • 750mA at 6.5-8V Supply
    • 530mA at 9V Supply
    • 380mA at 10V supply
    • 300mA at 11V supply
    • 250mA at 12V supply
  • Arduino and Raspberry Pi Compatible (Select 5V for Arduino and 3.3V for Raspberry Pi)

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