No, there isn't one. Yes, there certainly could be one. You should ask GORITE | Intel Innovation Partner if they have any plans to make one. It could perhaps be an add-on feature for their (forthcoming) Skull Trail "Insert Lid"...
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The link below might help too:
Lid Mechanical Designs
would need the NFC part to make such a lid, does anyone know where I can get the NFC electronics for doing this.
Since the KY NUC has no support for connecting NFC hardware directly, you are going to have to look at a USB-based solution. There seem to be a number of these available (even saw some on Amazon); your task will be to find the one that can most easily be stripped down for inclusion in a lid.
GORITE is in the process of releasing an extension chassis for the KY NUC (see here: http://www.gorite.com/intel-nuc-nuc6i7kyk-skull-canyon) and this extension chassis looks like it should have room for a component like this. You should contact GORITE directly for more information...
Hope this helps,