| Before trusting that bargain-bin power adapter, make sure it’s not packing surprises. This DIY AC power adapter tester quickly identifies vo...
More about wall wart (3)
| A while back, along with a bunch of yard sale electronic components, I received a box of AC adapters ("wall warts"). The voltage and current...
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![AC-DC and AC-AC Adapter Tester [130237]](https://cdn.xingosoftware.com/elektor/images/fetch/dpr_1,w_800,h_340,c_fit/https%3A%2F%2Fwww.elektormagazine.com%2Fassets%2Fupload%2Fimg%2Fpublic%2Foriginal%2Fac-adapter-tester-dc-in-thumbnail.JPG)
| A while back, along with a bunch of yard sale electronic components, I received a box of AC adapters ("wall warts"). The voltage and current...