That's cool, I like your slot.I went a similar direction.
Not very good pictures but I modded a small pc case for the reader.
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I haven't gotten around to printing up the cards yet.
At the moment I only have it set up with arcade games.
That's cool, I like your slot.
I recall back when I set one up, the instructions I was following specified grabbing darksoft romset for NeoGeo. A bit of an eyebrow raiser, but not enough for me to look into it further at the time (I never picked up a darksoft cart so I'm not familiar with the rom set).