hyper 7148

[Bruce Plecan]

-----Original Message-----
From: Tom Hussey <thussey at idirect.com>
To: gmecm at efi332.eng.ohio-state.edu <gmecm at efi332.eng.ohio-state.edu>
Date: Saturday, February 13, 1999 10:30 PM
Subject: Re: hyper 7148

I've sent a copy to Steve Ravet to post at 332 incoming
Bruce


>Hi Andrew,
>
>That was quite a while ago and I don't remember too well what I sent
>you. This one is windows based. Could someone who got it put it
>somewhere on ftp so I don't need to keep sending it? Or tell me where 
>load the thing
>It should work fine with your interface but...make sure you have
>transient protection. Last thing you need is some spike on the battery
>line to kill your ECM. If you need to add a filter on the input both
>Harris, Mot and Intel have good application notes for this purpose.
>My interface is 2" X 3" but there is room for the J1850 interface I am
>working on.
>
>CU
>Tom
>
>Andrew K. Mattei wrote:
>> 
>> Tom Hussey wrote:
>> >
>> > This is a windows app. Run it and select which port you have
>> connected
>> > your interface to. At that point it gives you a "magic number". That
>> is
>> > just an internal thing that scales delays based on how fast your
>> > processor in the PC is.
>> 
>> Sounds interesting to me too. :) I spent this morning building the
>> GCAR
>> interface again. I'd sent away my other one about a year ago... Now I
>> have a new one. As far as I can tell, the interface works.
>> 
>> Tom, is this a variant of the DOS based mon.exe that you did a long
>> time
>> ago? I had stopped working on this stuff just after you sent me that,
>> but now that I've built the interface again, I'm going to start back
>> up.
>> Did you put the program under discussion in the ftp directory?
>> 
>> BTW, I fit my interface in a standard size null modem adapter. Talk
>> about a packed board... 16 pin IC, 6 caps (big ones), 9 resistors, 4
>> transistors, 7805, all occupying about a 1" x 1.5" circuit board - and
>> less than 1/2" in height. ;)
>> 
>> Thanks!
>> 
>> -Andrew
>