this post was submitted on 08 May 2025
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Heads up display in an Audi E-tron (the open source license citing Redhat)
Is it just a mirrored/inverted display facing upwards under the windscreen glass?
I used to do that with my old smartphone. It had a "HUD mode" where the whole screen became mirrored, then you just slide the phone to the end of your dash, and boom you've got a google maps HUD.
They're a bit fancier than that usually with some special glass and some of the more expensive ones will shoot the light specifically in a direction rather than just be a screen but yeah these all rely on the Pepper's Ghost Effect
Oh super neat! It’s interesting it’s not Android based. Most car systems run on it these days.
I was under the impression that a large portion of cars still ran QNX.
Oh, wow, thanks for the link. A very interesting read.
Now I'm gonna find a QNX 4 demo and run it in a VM, just for the hell of it.
it's among the many OSes you can run in an emulator in your web browser at https://copy.sh/v86/
I'd wager this is only the operating system for the HUD. The design language of it is somewhat different than the rest of the infotainment, and it seems this car has like 7 or 8 computers. As for what the underlying "car" itself runs... I'd have no idea, probably a heavily customized version of whatever Volkswagen is using in their EVs.
You may be right about the copyrights in the individual unit, but I was talking about the underlying car OS in response to the commenter who said “most car systems run android”. QNX is a real-time operating system which is required for something like a car. Another for instance would be Microsoft Auto which Ford used before switching to QNX.
In general a modern car will have dozens or hundreds of computers running their own software and communicating in a sort of API fashion usually through something like CAN bus. Most of these systems can’t afford to wait on something to boot when you start your car.
In very general terms we are talking about the main difference between an Arduino and a Raspberry Pi.
Huh… didn’t even know they were putting HUDs in cars now. Guess that’s how it goes when you’re driving a car from 2007 with no intention to replace it till it dies.
I think they've been doing HUDs in vehicles since the late 80s? They're not very common though since they generally have reliablity issues (this is a lease).
They've had HUD in cars since the 80's.
Granted it sucked, and typically only showed speed, but it was there.
Currently selling a car from 2004 to replace with an far older one.
Idk where you live, but in the rust belt anything past 15 years old is basically dead due to significant corrison. I wish there were more to be done about it because I love wrenching on old Miatas, but they just continue to salt the roads even months before the first snowflakes (at least, where I live) and it eats vehicles to the point of safety issues and frame breakages over time. (My first car, a 1999 Suzuki esteem, actually had the frame snap while I was driving due to this. Body corrison was minimal, but the frame and undercarriage had completely given out).
EVs are more likely to be made out of aluminum and generally have a well covered bottom. I have no idea yet whether they’ll last better, but it’s something to consider trying for a next vehicle …. Or I could let you know in 15 years
The oldest vehicle I've owned, a 2004 Ford escape couldn't even make it to 17 years old. The axle snapped due to rust damage. Road salt is so terrible for vehicles, roads and the environment
A miata would be the only thing i would give up my 2000 mx5. Rust is a Problem, had to cut out arm sized pieces on all 4 corners and weld in new metal. But its not anywhere near that bad where i life.
The HUD is only for the heat seeking missiles though.
Dang, I was hoping it’d have an EEGS for my dogfighting pleasure
I tough it a Counter Strike screen shot lmao.
Lol yeah! Sorry, it's kind of tough to photograph since it's a HUD. I just noticed the "display license" selection when adjusting the height while in the parking garage today and felt it was silly enough to warrant sharing lol.
Man if I survive to 2028, and have any money left, those cars are sexy
FYI etron means shit in French, just saying
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