Understanding Wall Wart Power Supplies [Electronics]

by Jason Fitzpatrick on

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.

Digital DIY via Make

Jason Fitzpatrick is a warranty-voiding DIYer who spends his days cracking opening cases and wrestling with code so you don't have to. If it can be modded, optimized, repurposed, or torn apart for fun he's interested (and probably already at the workbench taking it apart). You can follow him on if you'd like.