Author Topic: How to communicate with the I-bus of my car?  (Read 1314 times)

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Offline CTDTopic starter

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How to communicate with the I-bus of my car?
« on: November 14, 2010, 12:17:51 PM »
Hello guys,

I'm new to the forum because I've been searching for weeks on how to communicate with the I-bus of my 2003 BMW.

I found this forum through Google and was hoping some of you would be able to help me.

What I want to do:

I have a navigation unit (OEM) in my car which has several buttons. I would like to duplicate some of the switches to my steering wheel. So that when I press these new buttons, they perform the exact same action as the original button on the navigation Unit.
I know which codes are linked to the buttons, but I don't know how to add a new button and to let it send it's code.

I hope anyone can help me with this.

Thanks in advance

Offline Soeren

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Re: How to communicate with the I-bus of my car?
« Reply #1 on: November 14, 2010, 01:24:03 PM »
Hi,

I'd imagine that you'd find more people knowing about BMW buttons in a BMW forum - this is after all a robotics forum, so it's like asking how to build a robot on a car forum.
Regards,
Søren

A rather fast and fairly heavy robot with quite large wheels needs what? A lot of power?
Please remember...
Engineering is based on numbers - not adjectives

Offline CTDTopic starter

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Re: How to communicate with the I-bus of my car?
« Reply #2 on: November 14, 2010, 01:43:59 PM »
Guys on any BMW forum don't know the answer.

I just asked my question here because it isn't BMW specific. I just need to find a solution to make a switch execute an action by sending a code through I-bus.

Maybe you guys know any chip that can send programmed Ibus signals when a button is pushed...

Offline Conscripted

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Re: How to communicate with the I-bus of my car?
« Reply #3 on: November 15, 2010, 04:09:13 PM »
Have you been able to find any information about the I-Bus?

Conscripted.

Offline EricR_

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Re: How to communicate with the I-bus of my car?
« Reply #4 on: November 17, 2010, 01:27:58 PM »
http://www.reslers.de/IBUS/index.html refers to http://web.archive.org/web/20041204074622/www.openbmw.org/bus/ which has some nice hardware links for interfacing to this 12V pulled up open collector bus

 


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