Flip the 2.8" PiTFT display over and locate the pad with '''label #18. '''We need to cut this trace in order to properly use GPIO 18 (The Y Button is wired to this GPIO). By default, when GPIO 18 is triggered to ground, it will disable the LED backlighting on the display - Cutting the trace here will disable that feature.
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== Cut Trace #18 ==
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{{ADFImage|Rasp-PiGRRL-2-PiTFT-02.jpg|640px}}
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Use a hobby knife to mark in between the two pads and make sure it is deep enough to fullly break the trace.
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That's pretty much all we need to do to the PiTFT display!