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ATX breakout board bench power supply

18.35 €18.35

Availability: Retired

Recycle an ATX computer power supply into a beefy bench tool that powers your projects. The ATX breakout boardroutes 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

Description

Recycle an ATX computer power supply into a beefy bench tool that powers your projects. The ATX breakout boardroutes 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 are interested in Internet of Things (IoT) or M2M projects check our open source sensor platform Waspmote which counts with more than 100 sensors available to use 'off the shelf', a complete API with hundreds of ready to use codes and a low consumption mode of just 0.7µA to ensure years of battery life.

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