There is an Arduino compatible board using the ATMega644P (P version
has 2 UARTs) available here ....
<http://www.wulfden.org/TheShoppe/freeduino/sanguino.shtml>
cheers ... 73 de brian, n1bq
On Nov 15, 2009, at 12:48 AM, Barry L. Lankford wrote:
> Sounds like a useful and interesting application.
>
> You might want to search for open-source OBD-II projects online.
> There's
> at least one at:
>
>> http://instruct1.cit.cornell.edu/courses/ee476/FinalProjects/s2009/ama64_maa66/ama64_maa66/index.html
>
> It uses a ATMega644 for the user interface portion and the code is
> downloadable from the site. In my experience, most uP projects
> don't come
> close to using the entire power of its uP, so you may be able to
> merge the
> software interface between the Tracker2 (or KISS-TNC) with the rest
> of the
> OBD-II project's code (or maybe replace it), eliminating the need for
> another PC board with an additional uP. Or you could possibly
> replace that
> part of the above OBD-II project with the Arduino. I'd also think you
> could use any tracker that will act as a KISS TNC, allowing the
> ATMega644
> to put together a KISS compatible packet as an APRS text message,
> perhaps
> with several destinations. It's also have to perform the basic GPS
> tracker
> function as well since you'd need to send your position.
>
> As someone else mentioned about #1, you can't alert emergency services
> directly, and I also doubt any commercial monitoring service would
> agree to
> deal with an alarm that isn't their own let alone one that was
> homemade.
> But, you might come to an agreement with several other hams to act
> as each
> other's monitoring service for messages needing emergency response.
> Go
> with multiple members since APRS messages won't always reach any
> particular
> person and you'd get closer to 24/7 attention. The members who
> received
> the emergency message might need to work out some way to coordinate
> with
> each other and attempt to contact the member who was the source of the
> alarm by phone before contacting emergency services. There are
> probably a
> lot of other considerations you'd have to work out, but these are
> just some
> off-the-cuff thoughts about it.
>
> As for the email applications, I think there's an APRS-to-email
> gateway,
> but I can't recall the address and method.
>
> I haven't looked into OBD-II very much. Does it have access to G-
> forces,
> airbag deployment and gas tank level? What other parts of the car is
> instrumented and available to the OBD-II system?
>
> Barry N4MSJ
>
>
> brian.newhard wrote:
>> Have you gotten anywhere with Arduino?
>>
>> I'm new, so please be kind.
>>
>> I'm looking to take OBD-II car diagnostics and transmit them using
>> packet/aprs to trigger events on an Internet server. Sort of a
>> homebrew
>> OnStar system. This could do things like (brainstorm):
>>
>> 1. alert emergency response to my exact location in the event of high
>> G-forces
>>
>> 2. send my mother an SMS/email telling her I loved her upon airbag
>> deployment
>>
>> 3. Set my alarm clock 20 minutes earlier when I need to buy a tank of
>> gas in the morning
>>
>> 4. etc.
>>
>> I thought that an arduino may be a good device to translate the OBD
>> readings and push them to the Tracker2, and into a radio in a mobile
>> setting. Does this sound reasonable? Has this been done yet? (Is
>> this
>> what a Tracker2 does?)
>>
>> Thanks,
>>
>> Brian
>>
>>
>>
>> --- In [email protected], "Christopher Snell"
>> <chris.sn...@...>
>> wrote:
>>> On Thu, Mar 27, 2008 at 11:35 AM, Jason KG4WSV <kg4...@...> wrote:
>>>
>>>> Nope, but I've kicked around the idea of using an Arduino (same
>>>> idea
>>>> 1/3 the price of the Make controller).
>>> Thanks for the tip. The Arduino is definitely cheaper, smaller (if
>>> you use the Stamp version) and appears to use less power than the
>>> Make
>>> controller. I'm ordering one now.
>>>
>>> The Arduino's programming language is simple and I may be able to do
>>> everything I need within its environment. I need to implement some
>>> cutdown logic based on GPS readings and manual triggering over the
>>> radio via the Tracker2.
>>>
>>> Chris
>>>
>
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