usb charging port circuit help needed

Thread Starter

yonubear

Joined Jan 10, 2013
73
ok the title is a little odd so let me elaborate.

I am working on a project using a tablet that charges via the micro usb port. however with the last tablet that had a separate charging port i used the power wires from the micro usb to trigger a relay when the tablet was on. any ideas on how I can do both. I can't seem to wrap my head around a way to have both.

Thnaks,
Yonu
 
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