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Magister 08-13-2009 12:47 PM

OBDuino CAN version only, progress!
(I have been busy earlier this year so there was delay for my OBDuino project)

I am working on a PCB, I already made a prototype but I am reworking it to be less than 5cm height so it will fit easily in a 1 DIN unit.

There is some pictures here
OBDuino Hardware

Note that this is a CAN version only. While I was working on it, I am happy to see some people enhanced the ISO version a lot!

Magister aka Frédéric.

KJSatz 08-13-2009 03:49 PM


Keep it up! Do you have a ballpark of how much a kit of it might cost?

gone-ot 08-13-2009 06:41 PM

...I, too, am interested in a "kit" project...a "D.I.Y." SGII™

Magister 08-14-2009 09:05 AM

I don't know for the price right now, MPGuino is $55, OBDuino will be a little bit more because there's more electronics components, PCB is bigger, and only the OBD2 cable is at least $10 more too... There is also much more functionnalities.

Froggy 08-15-2009 09:41 AM

The PCB is looking good!

Is there a possibility in the furture for an ISO/ELM version of the PCB?

Mesuge 10-13-2009 02:20 PM

There is a way how to put more info on single screen at still reasonable budget,
including custom ASCII art, larger fonts, etc. Perhaps might be worth to investigate
compatibility with your production board before release..

This is the TV-output (PAL/NTSC) shield called TellyMate
for Arduino, which could run various mini screens/LCD panels, many code samples here:
Batsocks - TellyMate Shield
Batsocks - TellyMate Shield - Examples

Now incl. new firmware for larger/custom fonts&graphics:
Batsocks - You could get by without us

as seen on this thread discussing Arduino Mega and ARM9
platforms for port of the OBDuino code:

Peter_V 11-23-2009 10:21 AM

Have you guys seen this OBD to USB converter?
DealExtreme: $29.99 ELM327 USB Vehicle OBD-2 Scanner Tool

It uses a clone of the ELM327 chip and is only $30.
From what I understand it has a RS-232 to USB converter chip onboard so you should be able to pull the data off as RS-232 with a little hacking.

Considering that it already has the OBD connector, dc/dc converters, etc. It might be a little cheaper than building those parts from scratch.

Of course one could always just hook it up to a Netbook, Palm Pilot or Pocket PC and use it as is.

Magister 11-23-2009 10:29 AM

I do not trust any of these chinese clone, and you can find them way cheaper on eBay I think.

I would trust something like this:
Serial AllPro Adapter

knuckles904 11-29-2009 07:01 PM

Hi frederic, are you planning on releasing the source code and schematic for the CAN only version? if so, i would love to beta test it. I have most of the components already (sampled from microchip) and would be able to make a board from the eagle files. I also have a 2008 Jeep wrangler (so CAN only) i would love to test it on.

Magister 11-30-2009 09:27 AM

For the moment the code is closed, i put a lot of effort in it, I will do some beta test in Montréal soon however with a few prototype units. I will try to try it on a wrangler, I tried on a 08 Patriot without success and I have no clue why :/

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