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Hopefully this is the right forum to ask this question. I have a project in mind that will add some features to my car (mitsubishi evo x), but since I've never used an arduino before I want to start on a slightly simpler task. I want to start with simply having the arduino read the vehicle speed off the CAN-BUS and display it to a LCD screen.

My question is, can the arduino be connected directly to the CAN-BUS in some way (not through the ODBII port)? When the project is complete I want it to be more of a permanent install and not interfere with my OBDII port as I use it for data-logging.
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Quote
My question is, can the arduino be connected directly to the CAN-BUS in some way (not through the ODBII port)?

No.
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  Do some research on OBD2 Arduino. I believe you can show your speed and log with Arduino at the same time. I have only skimmed over it though.


Mark
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