Raspberry Pi Car Stereo v2 - Full Touchscreen Navigation & Spotify

After more than a year of not having my previous setup, I decided to rebuild it a little differently this time.

Here's a list of all the relevant parts I used in my build:

RasPad 3

ugreen Bluetooth module

ugreen Audio interface

Startech 1ft 3.5mm audio cable

Raspberry Pi 4 4GB

Raspberry Pi 4 8GB

BlueWave Studio

OpenAuto Pro

You'll want to get an install kit specifically for your car. I wasn't able to find the .stl files for the mounting brackets I designed, so you may have to design those as well.

I didn't need a relay for this setup because I have to manually turn the system on and I can use the touch screen to turn it off as it's got a battery pack to prevent unwanted shutdowns.
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[dylon]

6:50 you actually can use the onboard bluetooth and headphone jack by iirc editing the /boot/config.txt file on the pi. ive been using it like this for days to pair my phone and output audio to an amp through the headphone jack, and its worked absolutely fine. i have literally no idea why bluewave disables them by default and then tells you that you need extra hardware to replace them when you really dont. saved me some money, hopefully this will save some other people too.

EDIT - the modifications: you just need to delete or comment out the line that says "dtoverlay=disable-bt" to get the bluetooth working. for audio, i believe you need to make sure you have the lines "dtparam=audio=on" and "audio_pwm_mode=2" present. the latter may not be required because the documentation says its the default, but it should ensure that you get the highest quality output from the jack.

[davidmolley]

Lots of effort went into this. We appreciate that. Good job. A few comments/opinions:
1. Locktite should be put on the threads of the screw before it gets screwed in, not the outside of the nut. I dont know if you put it on the screw side or not, but if not, nothing prevents the screw from loosening from the nut.
2. The latest version of RPI OS has Overlay FS built in. It is useful to allow power to be yanked off without corrupting the OS even when you dont execute a shutdown.
3. How do you hook up the audio output from the RPI to your stereo system?
3. Can you tell us where you found the cool video you used in the bootup splash animation?

[Dan-znbu]

Amazing video! One thing I want to point is that you shouldn't use Li-Ion batteries as those are very sensible to high temperatures and may be a fire hazard especially during summer days, when car interiors can reach 60-80C (the parts of the car that are in the shade). I've worked on a smart dashcam system and the workaround that we used were some big capacitors that could keep it operating for another 15 seconds to make sure it shutdowns correctly.

[lezz]

Dave, all I wanna say is "you are amazing". Personally, I freak out when it comes to handling volts/amps and what not. For whatever reason my small brain is not able to handle this sort of info.

I see you dismantled everything and then was able to put everything back the way it should. Happy for you brother. Enjoyed the video.

Take care and stay safe.

Cheers!

[MK-tcon]

Nobody going to ask if he plans on putting a relay or a push button parallel to the button to turn it on?
The push button could then be put on a more reachable spot. You could do a propper shutdown before turning uf the car.

[CaptainMagnus]

For auto power on all you have to do is jump red and black to the two outside GPIO pins in the top row. Search GPIO Pi pinout and you will see ground and 5v. easy peasy, no solder required.

[bertram-raven]

Locktite is helpful but you really need to use washers to prevent damage to the plastic casing by spreading the load.

[rodneycrosslin]

Butthole surfers, radar detector, and a stick shift....what year is this?....Awesome video!

[kennethgorman]

I have a real similar setup. Using dash cam wiring kit and headphone jack on pi to AV cables on my radio. Everything works awesome except I get terrible humming or ground noise. Any suggestions?

[sanjeev]

Watched complete. Nice to see improvements. Good going brother.

[ljsmith]

Hi great video, very inspiring setup. I'm planning on doing something similar but using a 7.9inch longer touchscreen display using a dsi connection. Did you have any issues getting the display to work on android? I'm a little worries that the one I want won't work as the website only states that it works with raspbian...

[golvellius]

The amount of work you put into this video though
Great video!

[FunctionGermany]

i've been told it's bad to keep lithium batteries in a car because they will die very quickly because of temperature differences.

[kamilflorowski]

Great, thanks for that video. BTW is there any way to get out of that software to normal Raspberry OS, I was thinking about using RetroPi ocassionally ;)

[TheBernalense]

Nice project! I would love to do something like this, I only need the car haha. At this time, I'm working to develop an infotainment system based on Ubuntu Touch. This video will be so helpful. Just a question, maybe my english is quite awful, but, did you say you don´t use the warning lights? 😮

[ericwest]

I like it vary cool
I have a android 10.1 in my torrent
Could u just mod a android just a idea love the idea

[lgic]

Hazard buttons offer you an important followup project.

[lgic]

OpenPilot compatible car? Such a cool FOSS project based on videos...

[krstwithin]

Can you make a video on how to build custom boot animation on RPI 4

[zalip]

do you use android os on raspberry pi?