A light switch is the simplest of electrical devices ... Run a 14-2 NM-B cable (white, black, bare copper) from your power supply to the first switch location. If you're adding a 3-way setup ...

“They don’t build ’em like they used to.” There’s plenty of truth to that old saw, especially when a switch-mode power supply from the 1940s still works with its original part ...

Power Integrations’s latest incarnation of its TinySwitch IC family enables development of compact, economical supplies up to 200 W that don’t compromise on performance or ...

For personal daily use, I’ll always choose a switch-mode power supply or wall-wart. Isn’t it worth a couple dollars to be galvanically isolated from the wall? On the other hand, TPSs are in ...