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BMW Control Center

I am modernizing my 2005 vehicle by adding BT audio, LTE connectivity and other custom electronics.

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I am modernizing my 2005 vehicle by adding BT audio, LTE connectivity and other custom electronics. So far, I’ve successfully implemented:

Bluetooth Audio with hotspot tethering
Programmable wireless LTE, pushing state over MQTT
Arduino based custom PCB measuring battery voltages, switching relays, and tracking GPS location
K-Bus, controlling radio/windows/locks/other auxiliaries
CAN Bus, recording ECU data like speed, RPM, pressure
Hardwired 4K dash camera with 1TB SSD
Prometheus exported on /metrics for recording time series data
IP namespaces and write-on-update state control, limiting wireless data
Android tablet running a customized build of LineageOS
3D printed cases, bezels, and shims
Android apps providing "Tesla-like" control over all the above

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Denis wrote 08/06/2021 at 15:31 point

Hi Quinn, I'm on to something similar. I mainly use arduino for control car stuff. Like door control, AC control and remote starter. Also use MQTT, but I'm using Android APP to provide communication. Basically, arduino communicate using BT with Android phone and it communicates to Cloud through MQTT.

I'm not a fan of that setup as I don't like Android programming and it require to automatically charge phone when battery is low (causing battery drain if car not used for more then 1-2 week)

I also have RPi3 that is pretty much connected to Arduino to remotely re-program it :P In future I would use RPi to connect to cameras and see what's going on outside of my car.

Tell me how do you communicate with Cloud? Where did you insert SIM card. And does your tablet has internet connection?

That's all for now. Best Regards

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