Eric Turns out there's no easy (if any) way of cutting the power to a USB port through software alone. A real let down, was hoping to pull some neat tricks with my USB lit lamp.
🦿 Lucian Marin When you unmount an USB drive it cuts down the power too. Doesn't it work the same for lamps?
8y, 46w 1 reply
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Eric That's on instruction, the smart USB device is told to ignore the power, a dumb lamp without anything to think will continue to slurp the drink. Power seems to run through USB ports regardless of the software's mounting or unmounting. On the Pi there seems to be a way to kill the power by tricking it into thinking there's a power error to protect against. This is all theory though, I've not gone through the effort to mess around with it myself after reading so many "no, impossible" answers online.
8y, 46w reply