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power supply board Customers Reviews

  • MB102 Breadboard Power Supply Module

    posted by oozihemp

    Great power supply! -Comes with 2 individual channels, that can be set to different voltages.-Comes with a ON/OFF switch and a LED indicator.-Works with a bunch of power input options, surch as USB, 6V AA battery pack, 9V battery, 8.4V Li-Ion Battery pack.-Pretty decent Regulated 3.3V and 5V line, with just 2% of voltage drop.-Nice current output, 630mA usint a Li-Ion battery pack-Easy jump system to set the voltage or to turn the channel off-Easy to work with
    Its a great and well built power supply for small projects that needs a regulated power supply, works well with arduino or just powering normal DIY electronic project.
    It is a must buy product!
  • Good if you know how to use it.

    posted by BobEast

    Very small footprint for mounting in a project. Easy to wire, and works great off an Arduino power pin. When wired to a 4ohm speaker, amplifies the signal nice and loud. Great price, other places sell this unit for $15 or more.
    a small wiring diagram would be useful. There are some pictures online of how it can be wired.
    Good for making your audio loud, but requires an external volume control.
  • Good value for money breadboard power supply

    posted by roelkw

    The power supply fits perfectly in a breadboard (after straighthning of the pins that were somewhat bent). As there is a set of power connectors on both sides of the board, there is a possibility to use 5V on one side and 3.3V on the other side. The output voltage is selected using jumpers and is very stable. Furthermore, there are additional pins on the board that can be used with jumper wires if this board is not used on a breadboard.The on/off switch and led indicator are useful.
    The board could benefit from a more modern USB-connection, preferably a micro-USB connection.
    Very useful 3.3V/5V power supply for breadboard projects. Excellent value for money.
  • Not very efficient, but versatile

    posted by amigaexpert

    * Wide output range* Mount holes* Relatively small
    Find the desired resistance, desolder the potentiometer, add fixed resistance. This will increase stability & reliability.Also take care when screwing these to any conducting surface/material.And remember to add an mechanical switch.
    If you need more current then the small USB "charger"s can supply, or if 5V isn't enough for your use, then this or any other of the LM2577 adapters will definitely do the trick.But they have limits if the lithium cell is depleted, higher output voltages and/or currents may be problematic.This one is better for 2-cell applications.
  • Great little gadget

    posted by mtrcek

    The board is great. Powerful enough, it is small and compact switch mode power supply. I have used it as a LED stripe driver (for 1m of LED stripe) and as small audio system power supply. For the last one - it is very quiet, the EMI circuit does it's job. The holes make it easy to install.
    None
    A very good and usefull SMPS. I really recommend it.

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