Freematics Forum

Do you know what protocol (CAN or others) your car uses?
It should be ISO 15765-4 (CAN 11/500). I got the info from m

I have tried to set OBD_ATTEMPTS in config.h to 0, but that doesn't help. It just makes all slow.
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* Hardware setup ...

Hey Jason,

i happen to have the same error, appart from the memory location and the value to be different. Verification error; content mismatch.
did you test your solution? Are there some steps you are willing to share to help me out?

Stanley, maybe any help here?

thanks,
Mark

Hi Mark ...

Well found the following site http://www.gammon.com.au/bootloader
And the tools under https://github.com/nickgammon/arduino_sketches work to flash the bootloader and the Atmega_Hex_Uploader (http://www.gammon.com.au/forum/?id=11638) needed some fixes but it did help to program the Data logger with v3.
I have not tried it out in my car, but it does write log files to the SD card.

Cheers,
Jason

I'm using a Arduino Uno as ISP and when I try to write the datalogger v3 sketch I get the following:

avrdude: Version 6.0.1, compiled on Apr 14 2015 at 16:30:25
Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/
Copyright (c) 2007-2009 Joerg Wunsch ...