mark chandler
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| posted on 27/11/13 at 06:31 PM |
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Data logging from a standalone wideband
Hello
My DB7 has a Zytec ECU, this poses a problem as not OB2 compliant and to extract any data you need bespoke MSDOS software and a dongle.... Not a lot
of chance getting that 
I want to datalog the AFR, so am looking to buy a simple wideband, these all tend to have an analogue output but I really need to capture rpm, TPS Map
and AFR.
So does anyone know of anything that I can plug various voltage based inputs into, then push to a smartphone, blue tooth would be favourite or maybe
has a serial or USB output that I could use with a laptop.
Thanks Mark
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gremlin1234
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| posted on 27/11/13 at 08:59 PM |
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one way is to use the 'sound card' input, (with some buffering of course)
else raspberry pi may be the way to go
http://en.wikipedia.org/wiki/Raspberry_Pi
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coyoteboy
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| posted on 28/11/13 at 10:21 PM |
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Sounds card would need some mods, they have capacitive decoupling from DC.
Don't think the Pi has any ADCs on it so you'd need an add-on card and some code. Might as well write a specific logger with a PIC for
that much effort  Or hook up a megasquirt as a piggyback as I did when I first bought it, to characterise the stock ECU.
[Edited on 28/11/13 by coyoteboy]
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