[Diy_efi] [off topic] performance meter app

[Fred Cooke]

"Nothing is more entertaining than rolling down an electric window on a $2
million dollar prototype and have it shut off the engine in a sputtering
death."

LOL, yep! I have a friend with a prototype FreeEMS with no enclosure, just
raw circuit boards and wires... he took his girlfriend somewhere in the car
and she put her handbag down next to the contraption. I got a VERY
concerned email from him telling me about how the car started bucking and
misbehaving and eventually died completely forcing him to pull over and
stop, but then it started up just fine and had no further issues for the
rest of the drive. When I got the log I was confused for a while, then I
recognised that distinctive GSM pattern in the waveforms (100hz full data)
and it clicked! She got a text message! LOL! Log screeny:

FreeEMS-GSM-Receive-Mode.png<http://stuff.fredcooke.com/FreeEMS-GSM-Receive-Mode.png>

:-)

2011/11/10 Aaron <aaron at creativeoverdrive.com>

> ?an unfiltered alternator noise being played back loudly through an am
> radio. (we all know that happens on older cars...)?****
>
> ** **
>
> Older cars and NEW cars. ****
>
> Honda still tests for radio noise in the AM stations for several
> continents. ****
>
> As well as alternator noise in FI/AT ECU signals, CAN Bus, GPS /
> Navigation, Satellite Radio, DVD Players, LCD screens ? ****
>
> To be fair, if it uses electromagnetic motion, it get?s test to see if it
> injects noise into any other system.****
>
> ** **
>
> Nothing is more entertaining than rolling down an electric window on a $2
> million dollar prototype and have it shut off the engine in a sputtering
> death.****
>
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