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CAN-BUS based OBD reader

Posted on Tuesday, April 17th, 2012 in code, data transfer, how-to by the machinegeek


Debraj has been developing a project to read the OBD information through CAN bus. His design is based on the dsPIC33FJ128MC802 (3.3V) and MCP2551. He is using a factory stock OBD cable and feeding the data into a jack on the project board. The data is displayed on a 16×4 LCD and includes engine RPM, throttle, vehicle speed, etc.

The description, hardware schematic, software description, code can be found at hobbydebraj website.

Via the contact form.

This entry was posted on Tuesday, April 17th, 2012 at 3:00 pm and is filed under code, data transfer, how-to. You can follow any responses to this entry through the RSS 2.0 feed. You can skip to the end and leave a response. Pinging is currently not allowed.

2 Responses to “CAN-BUS based OBD reader”

  1. Eric says:

    I wrote an article on automotive CAN and OBD-II for those interested in automotive electronics: http://evenchick.com/?p=112. I’m also working on a CAN development board based on the new PIC18F26K80.

  2. jon says:

    Hi at all, intresting Project!

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