ATX Power Connector (4-Pin) Breakout Hookup Guide

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Contributors: bboyho
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Introduction

Do you need to power a project with 12V and 5V from one wall adapter? The ATX power connector breaks out the standard 4-pin computer peripheral port for your 12V and 5V devices!

SparkFun ATX Power Connector Breakout Board

SparkFun ATX Power Connector Breakout Board

BOB-15035
$1.95
SparkFun ATX Power Connector Breakout Kit - 12V/5V (4-pin)

SparkFun ATX Power Connector Breakout Kit - 12V/5V (4-pin)

KIT-15701
$14.95

Required Materials

To follow along with this tutorial, you will need the following materials that are included in the kit. The components can be ordered individually if you decide to solder header pins or wires directly to the board. You may not need everything though depending on what you have. Add it to your cart, read through the guide, and adjust the cart as necessary.

SparkFun ATX Power Connector Breakout Kit - 12V/5V (4-pin)

SparkFun ATX Power Connector Breakout Kit - 12V/5V (4-pin)

KIT-15701
$14.95

Tools

You will need a soldering iron, solder, and general soldering accessories.

Soldering Iron - 60W (Adjustable Temperature)

Soldering Iron - 60W (Adjustable Temperature)

TOL-14456
$14.95
7
Pocket Screwdriver Set

Pocket Screwdriver Set

TOL-12891
$3.95
5
Solder Lead Free - 15-gram Tube

Solder Lead Free - 15-gram Tube

TOL-09163
$3.50
2

Suggested Reading

If you aren’t familiar with the following concepts, we recommend checking out these tutorials before continuing.

How to Solder: Through-Hole Soldering

This tutorial covers everything you need to know about through-hole soldering.

Connector Basics

Connectors are a major source of confusion for people just beginning electronics. The number of different options, terms, and names of connectors can make selecting one, or finding the one you need, daunting. This article will help you get a jump on the world of connectors.

What is a Circuit?

Every electrical project starts with a circuit. Don't know what a circuit is? We're here to help.

Electric Power

An overview of electric power, the rate of energy transfer. We'll talk definition of power, watts, equations, and power ratings. 1.21 gigawatts of tutorial fun!

Polarity

An introduction to polarity in electronic components. Discover what polarity is, which parts have it, and how to identify it.

12V/5V Power Supply Hookup Guide

In this tutorial, we will replace the 12V/5V (2A) power supply's molex connector with two male barrel jacks adapters.