Re: Arduino - Saab 900 Bulletin Board -

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Re: Arduino
Posted by Justin VanAbrahams [Email] (more from Justin VanAbrahams) on Tue, 3 Jul 2018 13:53:02

In Reply to: Re: Arduino, S Carlson, Tue, 3 Jul 2018 11:56:39
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I feel like there is a lot that could be done with a small realtime computer for old cars. Originally I was conceiving of a sensor aggregator and OBDII protocol emulator so that you could use common OBDII tools to read sensor data on old cars. I also had this idea of using such a device to mimic a body control module - it'd be really easy (electrically) to route things like lighting, locks, windows through an Arduino so you could do fancy stuff like put the windows down with the key or do a "follow me home" feature like later cars. Just a bunch of I/O and some minimal logic. But as always my reach exceeds my grasp. I barely have time to live my life much less execute a project like this. I thought about doing a kickstarter or something to motivate (and incentivize me) but meh... monetizing a hobby sounds like a great way to ruin a hobby.

So, in the end, I *did* T5 my SPG, so now I can use regular OBDII tools on it. T5 can track either 1 or 2 (I don't remember) external sensors through a hack that repurposes existing unused ADC channels (eg, EGR) so one could track fuel pressure, or AFR, or something other 0-5v sensor using a generic scan tool and a hacked T5, and that plus the factory sensors covers me fine. Many of these OBDII tools have useful special features, so getting that "low cranking voltage" feature is almost definitely available using *something* off the shelf out there. Still, someday I would like to learn Arduino. Seems useful. :)

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