how too make usb with LED Indicator
I found long a go something that was a led that flashing on the data transfer from a usb
so i can't find it now so can you help me out?
i try something todo but its not working
i buy a usb hub and made npn with led on it if you Base Volts up than you led goes on.
now i add the base on the data line on a usb of that usb hub
but there is no effect...
can somebody help me?