ATX breakout board bench power supply

SKU
106990006
Rating:
93% of 100
Route -12, 3.3, 5, 12 volt supplies @ 1.25 amp Indicator LEDs Optional load resistor Open source
$13.80
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Recycle an ATX computer power supply into a beefy bench tool that powers your projects. The ATX breakout board routes the -12, 3.3, 5 and 12 volt ATX outputs to screw terminals, each protected by a 1.25 amp resettable polyfuse. These four voltages cover many common electronics needs, there's even a negative voltage (-12 volts) for op amps and audio projects.

An on/off button and a control circuit are included on-board, no modifications to the ATX supply are needed.


Features

  • -12, 3.3, 5, 12 volt supplies @ 1.25 amp

  • 1.25 amp polyfuses with reset on each power rail

  • Indicator LEDs show that each rail is working

  • Power good and enabled indicator LEDs

  • On-Off button and control circuit

  • Optional load resistor included but NOT soldered

  • Open source (CC BY-SA)

Note: A 9 Watt load resistor is included but not soldered to the board. In our experience most modern ATX supplies don't require a significant load on the 5 volt rail to start. An artificial load just wastes electricity and creates unnecessary heat. Please let us know your experience.

Some special ATX supplies provide -5volts, but the vast majority don't. We broke it out and added the fuse, but didn't populate the screw terminal.


Resources

If you encounter any problems when using this product, here is the forum from which you can get the technical support.







Technical details

Dimensions 150mm x180mm x30mm
Weight G.W 71g
Battery Exclude

ECCN/HTS

HSCODE 8504909090
USHSCODE 8504902000
UPC 841454111924
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Customer Reviews
  1.  
    Rating
    80%
    Nice piece of kit

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  6.  
    Rating
    80%
    Nice for the price The only faults I can find with this so far are that the power resistor that is supplied with the unit does not fit inside the acrylic case that Seeed supplied me... so in the unlikely event that I'd need to use it I'd have to either cut the case, get longer standoffs for the lid or find a different resistor - and secondly I have a couple of power supplies that have the longer ATX plug - which needs to be physically attacked with a dremmel to make them able to be plugged in... maybe using the longer socket would alleviate this.

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