ELM323 - OBD to Rs232 Convertor

Hello everybody,

Does anyone have any experience working on OBD ? I want to do an OBD error code reader and I am now looking for a good circuit and the commands to read the code from the obd connector. I have found out this IC from the internet, have anyone worked on this IC ?

I haven't built one myself, but did note these useful sites:

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http://www.scantool.net/index.php
this latter one has a user forum too.