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  1. I did a bunch of testing this afternoon and I...

    I did a bunch of testing this afternoon and I think that the switching regulator is somehow creating noise that gets into the tab's audio output. I'm going to try and wire in a linear regulator to...
  2. Well, I actually replaced the front speakers with...

    Well, I actually replaced the front speakers with 6.5" components and am not currently using the back speakers. I have a Phoenix Gold Octane 900.5 or something that I plan to replace in the near...
  3. Yes its a 2002 e46 and originally had the 10...

    Yes its a 2002 e46 and originally had the 10 speaker HK premium sound system. I've since replaced all the speakers and I'm running an aftermarket amp but I've retained the stock radio unit. Not sure...
  4. Increasing static on differential inputs

    I built a custom PCB to attach to the stock head unit harness on my e46 BMW. The audio inputs are differential and go to a separate audio system controller. When I turn it on and enable my circuit...
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    Currently the app does not run in the background....

    Currently the app does not run in the background. The next big step in development will be to change the app into a service. Then I can have it process messages in the background and broadcast...
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    Lots and lots of work for a minor update. I...

    Lots and lots of work for a minor update.

    I found the correct combination of commands to trick the system into playing audio directly from the Tab! Unfortunately it appears I mixed up the ground...
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    e39Bimmer: In plain sight. Regarding the app,...

    e39Bimmer: In plain sight.

    Regarding the app, can you give me more information on the app? I'm not sure it would work with my board because the app I wrote has to run a separate thread to...
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    Android IBus interface board

    About a year ago, my friends bluetooth OBDII reader inspired me to replace the stock head unit in my M3 with a tablet. Progress has been sporadic but has picked up lately. Here's a brief overview:
    ...
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    Which media player are you using? Do you have...

    Which media player are you using? Do you have external controls for it or just the touchscreen? I'm working on something similar in my M3.
  10. Ok so I ended up going with a 14V TVS diode and a...

    Ok so I ended up going with a 14V TVS diode and a ACM70V-701 common mode choke by TDK which says it's designed for car power lines. Also I have ferrite beads on all of my signals that talk to the...
  11. Oh well, looks like I'm going with the ferrite...

    Oh well, looks like I'm going with the ferrite bead/load dump diode combination. There are a few cheap ICs between the car and anything expensive anyway. I'll post the results in a few weeks.
  12. Circuit protection for custom PCB -> Car wiring harness

    I'm working on a custom interface board to get my Tablet talking to my e46 BMW. It will allow be to plug directly into the stock radio harness and have provisions for iBus and the differential audio...
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