How-To Geek

Understanding Wall Wart Power Supplies [Electronics]

Wall Warts, You likely use them everyday without giving them much of a second thought. What exactly goes on inside those chunky black wall chargers that turns AC current into a nice DC trickle for your favorite electronics? Read on to learn more.

At Digital DIY, an open source electronics blog, they have an extensive overview of the technology of wall warts including how they work and how you can use them for projects. If you’re curious how such a small device can take the face melting power of raw wall current and carefully regulate it so that it doesn’t turn your cellphone into a smoldering pile of plastic, hit up the link below to dive into the science of wall warts.

AC-DC Power Supplies – Using Wall Warts [Digital DIY via Make]

Jason Fitzpatrick is warranty-voiding DIYer and all around geek. When he's not documenting mods and hacks he's doing his best to make sure a generation of college students graduate knowing they should put their pants on one leg at a time and go on to greatness, just like Bruce Dickinson. You can follow him on if you'd like.

  • Published 04/12/11

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