“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 ...

He decided to make a 12V power supply out of an antique ammo can he ... and an LED power switch. Ammo cans make solid project boxes. We’ve seen countless ammo can speaker setups, and even ...

Switching transistors from silicon carbide are to increase the efficiency of voltage converters; MSI is installing them in a ...