The USB spec has a part where USB devices can be turned on and off by software on a USB hub. Unfortunately almost no USB-Hub implementation/device supports this

The USB spec has a part where USB devices can be turned on and off by software on a USB hub. Unfortunately almost no USB-Hub implementation/device supports this part of the spec. I have been looking into this for a while with the goal of watchdogging and powercycling unreliable USB devices. The seemingly only USB hub at that time was unfortunately not on sale any more, even back at that time. Maybe this could be a nice kickstarter, a smart USB hub that can be integrated into the smart home/IoT world. I'd buy it. Since it is separate software, not the webcam software, that is switching the webcam off, we would not have to trust the webcam software maker to fullfill the promise.