Tips for Using a Variable AC to AC Power Supply
If you're tinkering with old electronics or building a prototype, getting your hands on a good variable ac to ac power supply is basically a rite of passage. You can't just plug everything into the wall and hope for the best, especially when you're dealing with sensitive gear that expects a very specific voltage or frequency. Most of the time, our wall outlets give us a steady diet of 120V or 230V, but when you're on a workbench, that "one size fits all" approach is a quick way to let the magic smoke out of your components. ...