[TheSignalPath] wanted to repair a broken Instek PSW80-40.5 because it has a lot of output for a programmable power supply — 1,080 watts, to be exact. This isn’t a cheap supply — it looks ...

USB ports have a power rating, with a standard default power output of 0.5 amperes. You might notice slow charging on USB ports due to low power output. Sometimes, our Windows computer might throw ...

Ergo out came the screwdriver to open the power supply to see what had broken, and hopefully to fix it. After some more probing around, he discovered that the unit had many more issues ...