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Old 10-29-2012, 11:17 AM   #1 (permalink)
Newb Techie
 
Join Date: Oct 2012
Location: England
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Unhappy Need help with GCSE Electronics project

Hi!
I'm currently starting my GCSE Electronics coursework project, a lockable HDMI cable with a chip and pin code to stop users using a certain device. For example, it would be a HDMI cable, that locks a both ends, and in the centre of the cable you could block/unblock the signal to the device by entering a pin.
My problem is, however, is that a HDMI cable contains 14 pins, and I would have to block off the correct pin to avoid damaging the device. I am stuck as to which one to block off that would safely stop the signal reaching it's intended destination. Does anyone know which one I have to block?

Any help would be vastly appreciated
Thanks
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