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Old 04-23-2009, 10:48 PM   #11 (permalink)
herman
 
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ow god.....there is a lot of the freeduinos and other duinos.....what of them i need to use?

is it possible to buy the atmega chip then build the arduino? Is there any kit to buy?

my car is a ford with pwm protocol....the elm327 is connected on the pc serial port.

so, do you know exactly the model that i have to buy?

thank you a lot....

marcelo.

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Old 04-23-2009, 11:05 PM   #12 (permalink)
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i think that i found......

can you confirm that are the right kits?

Freeduino Serial v2.0 board KIT Arduino Duemilanove Compatible

and

16x2 LCD Module White Characters Blue Backlight

i need to buy something else?

thank you.
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Old 04-24-2009, 08:35 AM   #13 (permalink)
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This board is ok, this is the one I use, very easy to build.
The LCD is ok too, and you need a transistor and a resistor to drive the LCD brightness, and 3 small push buttons too, I think that's it.
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Old 08-31-2009, 09:49 PM   #14 (permalink)
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Magister,

Will your CAN interface work with other protocols? I have a 99 Saturn that I am sure is not ISO or CAN. I assumed no because you have the SAE pins of the ELM327 going to ground. I also have a new ford that uses CAN and an old civic that uses ISO, if possible I would like to be able to transplant it to all three.

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Old 09-01-2009, 08:49 AM   #15 (permalink)
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The ELM327 support all protocols but you will have to build the full ELM327 interface as described in their PDF if you want to use it in iso/can/vpw/pwm cars. I only wired the CAN parts for my car.
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Old 09-01-2009, 09:39 AM   #16 (permalink)
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will the obduino32k work correctly without modification if I can get the full interface built? The reason I am asking is because I am in no way qualified to modify any type of code. I am your average joe mechanic trying to follow this project and it is turning out to be a learning experience.
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Old 09-01-2009, 09:48 AM   #17 (permalink)
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It's been a long time I touched the ELM code and there was a lot of checkin for the ISO code, I hope it didn't break anything.
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Old 09-01-2009, 09:58 AM   #18 (permalink)
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The ISO interface works nicely with the mc33290 chip in my 99 civic. I would just like to have one that I could move from vehicle to vehicle.
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Old 09-01-2009, 11:35 AM   #19 (permalink)
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I promise we did our best not to break anything.

If something doesn't work it should only be easy to fix. The obduino32K code should be trustable enough to go ahead and order the Chip
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Old 09-01-2009, 12:15 PM   #20 (permalink)
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electromike,

I will go ahead and order it then, possibly two in case I screw something up. My only other worry is the interface for the chip. It looks much more difficult to build than the one for iso and with my extremely limited electronics knowledge, it should prove to be a serious challenge.

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