GM Serial Data

David A. Cooley n5xmt at bellsouth.net
Mon Mar 29 18:37:59 GMT 1999


Ah..
I used the circuit, but subbed a MAX233... no external caps.


-----Original Message-----
From: Peter D. Hipson <mail at darkstar.mv.com>
To: gmecm at esl.eng.ohio-state.edu <gmecm at esl.eng.ohio-state.edu>
Date: Monday, March 29, 1999 1:34 PM
Subject: Re: GM Serial Data


>Probably it is the same circuit. I used a different chip to reduce part's
>count. Different transistors (since I had them), etc.
>
>At 09:02 PM 3/27/99 -0500, you wrote:
>>At 07:24 PM 3/27/99 -0500, you wrote:
>>>Why re-invent the wheel? Use a UART if you want to do it the hard way, or
>>>build the simple adapter needed to connect to a PC. I've a circuit if you
>>>want one--an easy to build, and a more complete version.
>>
>>Peter,
>>Is this the same circuit from the DIY ftp site or something new?
>>If it's new, I'd be interested in seeing it.
>>===========================================================
>>           David Cooley N5XMT           Internet: N5XMT at bellsouth.net
>>     Packet: N5XMT at KQ4LO.#INT.NC.USA.NA   T.A.P.R. Member #7068
>>       I am Pentium of Borg...division is futile...you will be
approximated.
>>===========================================================
>>
>>
>Thanks,
>        Peter Hipson (founder, NEHOG)
>        1995 White NA Hummer Wagon
>




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