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power supply board module

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power supply board module Customers Reviews

  • Nice for voltage regulation

    posted by waynedevereaux

    Great little device for regulating voltage. Especially when some electronics require 12 v constant and turn off below a given voltage. Small potentiometer to adjust the voltage.Boosts 7v up to 12v no problems. Great for monitors and cameras.Fast shipping was here in just over a week.
    A cheaper rate would be better
    Great device,id be lost without it!
  • 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.
  • 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!
  • A upgrade, perhaps?

    posted by milliwhat

    What I got was rather different to what's in the photo here. Perhaps you will too. I've uploaded pics, but they're taking ages to show up.But I think it might be an upgrade.Essentially, it's the same thing, a breadboard-able power supply. The input is via a barrel connector, as here, and also via a USB socket.The placement of the output pins is the same, meaning it is a good match with http://www.dx.com/p/solderless-breadboard-with-400-tie-point-white-121534 as it plugs right into the power rails on those sized boards.Those pins are in two groups each, which might make it more stable than the one shown above.It also has pins on top of the board, could be very handy. It has an on-off toggle switch, and an LED.But the major pro is that the board can do both 5v and 3.3v at the same time, supplied to each of the two rails. You can select the voltage for each rail independently, using jumpers.The USB socket is a female type A, ideal for powering any USB gadget.
    The one I got should also handle 700mA. The voltage regulators (AMS 117) are rated for more, but it is highly dependent on heat-sinking, and these don't have much. Not a problem for most electronics projects.Input voltage range should be the same too. I'll mainly use it with a rechargeable battery pack.
    This is a great for when you need to prototype something quickly, especially if you need dual-voltages. Some microcontrollers need 5v, but a lot of external ICs will want 3.3v. Or you might have a lower power microcontroller, but wanting to power a white LED requiring more power.
  • Perfect breadboard powersupply

    posted by tnvd

    The board has two modes of power input. Through USB and through a DC barrel socket. There is a green LED to indicate the presence of power, and a latching switch to control the power to the board.Input voltage to be between 6.5~12V, or USB powered (5V). If you wish to use it to it's maximum capability you will need to remain in that range. This is a non-adjustable power supply model and the output voltages are fixed to 5V and 3.3V which is good enough for most applications. The maximum output current is stated as 700mA.Jumper pins are used for selecting the voltage levels to the breadboard.. You can choose between 5V, Off, and 3.3. There are two sets of jumper selectors for each side of the breadboard power rails. Hence you can have any combination of voltages on either rail. There are also header pins for tapping off voltages, through a cable or jumper wires.
    The MOST used breadboard powersupply.Get one !
    Excellent powersupply.The circuit itself is based on a pair of AMS1117 voltage regulators by Advanced Monolithic Systems. One is used for creating a 3.3V rail whilst the other for creating the 5V rail. These are actually quite a good make of components to be found in a SOT-223 package. Their datasheet states that this series can provide a maximum output current of 1A. The absolute maximum voltage rating is 15V at the input. Obviously you should not use these levels as this is the component rating.

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