Mystery box

[Stefan]

Hehehe, I figured as much. Anyway, it'll probably end up in the dumpster.

At 00:17 13-7-2005, you wrote:
>On Tue, 12 Jul 2005, Stefan wrote:
>
>>Can anybody tell me what this little blue box is ?
>>http://www.xs4all.nl/~rimmer/mysterybox/
>
>There is no way to tell what it is precisely from photos, make a
>schematic and maybe we can. It's obviously hand made.
>
>Well it's got a 74181 4-bit ALU, and a demux and flops, but a lot
>of LEDs, so maybe it calculates CRCs, checksums, or tallies input
>pulses, or counts complicated events. There's enough glue in there
>to make a decent little processor-like state machine with ALU, so
>it could be a very clever little box, but it probably solves some
>specialized niche function, and without knowing where and how
>you'll likely never know.

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