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by robin_reala 2694 days ago
$23 on newegg: https://www.newegg.com/Product/Product.aspx?Item=N82E1681515...
1 comments

I seem to recall that the USB ones don't work for this kind of thing. From my teenage memories, you could bit-twiddle by writing to a memory address. I presume the USB ones use a UART that doesn't allow direct memory access, or precise timing, or something.

The one linked in the parent is a PCI card, so this might not apply.