Hi team,
A spare NL-8091 is a contradiction in of itself, but does anyone have a
spare 8091 they would be willing to sell me for a reasonable price? I have
five and am looking for one more in order to build a six digit clock.
Message me - thanks all!
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Thanks!
I don't think that many prototypes like this one is left in the wild, so it
would be nice if anyone had a schematics diagram of the calculator part or
datasheets on the ic's used.
Since the voltages rise well beyond 2-3 times the rated voltages I think
the poor design of the power
Thank you Martin for the detailed report! I wonder how many of those
machines are still around, just in case a fully working calculator can be
put together from parts. But probably the display is the toughest component
in there!
Maybe the damage was caused by a lightning strike, at least I
