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Breadboard Power Supply 5V/3.3V


Price: £8.86
Only 15 left in stock.
Dispatched from and sold by RelChron Limited.
  • Breadboard Power Supply 5V/3.3V
  • A very simple breadboard power supply kit that takes power from a DC wall wart and outputs a selectable 5V or 3.3V regulated voltage.
  • See Below For Full Description

Frequently Bought Together

Breadboard Power Supply 5V/3.3V + 65 Pcs Assorted Length Multicolored Flexible Solderless Breadboard Jumper Wires + BB400 Solderless Plug-in BreadBoard, 400 tie-points, 4 power rails, 3.3 x 2.2 x 0.3in (84 x 55 x 9mm)
Price For All Three: £11.62

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Product details

  • Item Weight: 9 g
  • Boxed-product Weight: 23 g
  • Delivery Destinations: Visit the Delivery Destinations Help page to see where this item can be delivered.
    Find out more about our Delivery Rates and Returns Policy
  • Item model number: PRT-00114
  • ASIN: B004TS8DHG
  • Date first available at Amazon.co.uk: 25 Mar 2011
  • Average Customer Review: 4.0 out of 5 stars  See all reviews (2 customer reviews)
  • Amazon Bestsellers Rank: 35,528 in Electronics (See Top 100 in Electronics)

Product Description

(PPPRT-00114) A very simple breadboard power supply kit that takes power from a DC wall wart and outputs a selectable 5V or 3.3V regulated voltage.

The .1" headers are mounted on the bottom of the PCB for simple insertion into a breadboard. Pins labeled VCC and GND plug directly into the power lines. The lone pair of pins have no electrical connection but help support the PCB.

There are two pins available within the barrel jack footprint. Any stripped +/- DC supply can be connected instead of the barrel connector. Board has both an On/Off switch and a voltage select switch (3.3V/5V).

Comes as a bag of parts kit and is easily assembled if you can follow the silkscreen indicators and have beginning experience with a soldering iron. You will need to read the resistor bands or use a multimeter to determine the resistor sizes

Kit Contains:

DC Barrel Connector (2.1mm center positive)

TO-220 Voltage Regulator (LM317 1.5A max current)

1N4004 Reverse Protection Diode

100uF 25V Capacitor

10uF 25V Capacitor

0.1uF 50V Capacitor

Red Power LED - High Brightness

2pcs SPDT Slide Switch

4pcs 0.1" Header Pins

2pcs 330 Resistor 1/6W

390 Resistor 1/6W

240 Resistor 1/6W

Bare PCB with Silkscreen Indicators

PTC resettable fuse

Dimensions: 1.25x1.25" (approx. 32x32mm)

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Most Helpful Customer Reviews

3 of 3 people found the following review helpful By Christopher Phillips on 13 May 2012
Verified Purchase
I got this because I am running several things from a "12V" system (which potentially could be anything between 10V and 15V), but my 5V Arduino stuff requires a nice steady and reliable "regulated" voltage.

I thought this would be a great re-introduction into soldering, which it was.

The unit has a problem which looses it a star. However I tried, I was unable to get the board to plug in "straight", to the breadboards I favour (BB400T Transparent Solderless Plug-in BreadBoard, 400 tie-points, 4 power rails, 3.3 x 2.2 x 0.3in (84 x 55 x 9mm)); Acutally I prefer the non-transparent one, but they seem in short supply.

Unlike the product picture [...]) the power strip pins and the main breadboard pins, never align, so you end up with the power supply mounted "squiffy". Also note that the aforementioned product picture, shows the supply board, plugged into power-rails whose polarity is opposite to that of the power supply board ("-" (Gnd) is on the inner pin)... Confusing!

I overcame the squiffy mounting issue, by disassembling my breadboard and re-assembling it with both power-strips side-by-side, which gave the board a straight mounting position, but wasted a power rail and also made my breadboards look ugly (stop laughing). I would have much preferred not to have had to do this.

Another improvement I'd recommend, is to employ seperate LEDs for the 3.
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1 of 1 people found the following review helpful By Mr. C. J. Short on 17 April 2012
...and it's not a big but. Basically you need the small prototype breadboard you see around. I had a larger one and it didn't fit, sure I could have used male to relate jumper leads, but mine is now snuggly sitting on a smaller board. Great.
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