HP Forum Archive 15

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looking for 5x7 display diagrams Message #1 Posted by tommasone on 23 Dec 2005, 12:51 p.m. Hi any one can give me the diagrams of the 5x7 dot matrix display found in hp calculator 9830a? 1990-0345 638

Re: looking for 5x7 display diagrams Message #2 Posted by Tony Duell on 24 Dec 2005, 5:14 a.m., in response to message #1 by tommasone What do you mean by 'diagrams'. It's just a matrix of LEDs, no internal logic. You can get 'my' schematics for the 9830 either on the HPCC CD-ROM or from the Australian museum site, I think I included a pinout in there.

Re: looking for 5x7 display diagrams Message #3 Posted by tommasone on 24 Dec 2005, 3:51 p.m., in response to message #1 by tommasone thanks for the info what is the link for the Australian museum site?

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