Everyday Practical Electronics, October 2000.
Have a project for a dual channel virtual scope using a PIC16F877.
TC55257DPL85L. and a MAX492 op.amp
The TC55257 ram chip I think could be changed for a more common 32k static
ram i.e..HY62256 this as not been tried.
There is a URL http://www.epemag.wimborne.co.uk with a link for the code for
the 16F877 basically the data line to port rd0-7
address line to ports rb0-7 and rc0-7 output to PC via port rc.
and data input to ra0-ra1

Regards Art

----- Original Message -----
From: "Brian Gracia" <bgracia@TELOCITY.COM>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Saturday, September 23, 2000 9:07 PM
Subject: Re: [PIC] datalogger


> At 01:15 PM 09/23/2000 , you wrote:
> >I am in the startup making a datalogger.
> >I'll use a ADS8320, 16 bits serial a/d and a pic (16c84).
> >I wonder if it is possible to use a RAM from a pc
> >or at least a larger ram that can keep the data until
> >it is downloaded to a pc.
> >thanks for any help
> >Ernst
> >
>
> I am looking to do this as well.  I have not come across any such docs to
> use PC Ram as of yet, but I think that ram has to be refreshed unless that
> aspect has changed from my knowledge of the subject.
>
> Several people have mentioned SanDisk and another company that produces
> those flash memory cards for digital cameras.  Some of them can hold 390MB
> of info.
>
> Brian
>
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>
>

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