this post was submitted on 11 Jun 2025
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I've seen solutions with semi-integrated Raspberries to create multimedia and telephony capabilities. But everything that requires an interface to the car sensors is closed down and I'm unaware of any solutions to this.
The control system is supposed to be in complete isolation from the media system. The media one is usually a customised Android. If you find instructions online, feel free to do whatever you want with it. The worst case scenario is that you won't be able to listen to music or to navigate.
With that being said, just install anything you like to the media system. Any Linux dostro can be an automobile distro.
speeduino. the solution to do engine control in a foss way is speeduino.
its a lot of work retuning it though. only really worth it if you are modding it in the first place.
What car sensors are normally accessible to CarPlay and Android Auto, and what are they used for?
My car doesn't expose any car features or sensors to CarPlay at all. I just use the connected display for maps and playing audio.
Could you link the RPi projects that you've seen? Sounds interesting.
Here is one example: https://github.com/opencardev/crankshaft/wiki/Getting-started-with-Crankshaft
Thanks
I am using a simple application named "Car Scanner", on my phone, it connects via bluetooth to the $4 OBD2 dongle, and it works in Android Auto, can display all kind of info on the multimedia screen.
Right, but that dongle is connected to the CAN bus directly right? I was wondering what is accessible over just the smartphone integrations (CarPlay and Android Auto).
Hopefully not much.
I guess nothing is accessible directly
OBDII exists and is reasonably open.