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Show HN: I made a Raspberry with Qwen my local car AI

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Re: Show HN: I made a Raspberry with Qwen my local car AI

#61

I’d be most interested in how it handles uncertainty when the answer depends on trim/year or service history. For a car assistant, a useful default might be “I found the relevant manual section, but this is ambiguous” rather than a direct fix. Do you surface the source page or confidence anywhere?

It refers to the manual page, that's really all you can do in that case especially offline.

Re: Show HN: I made a Raspberry with Qwen my local car AI

#62

I’d be most interested in how it handles uncertainty when the answer depends on trim/year or service history. For a car assistant, a useful default might be “I found the relevant manual section, but this is ambiguous” rather than a direct fix. Do you surface the source page or confidence anywhere?

[flagged]

Re: Show HN: I made a Raspberry with Qwen my local car AI

#63
post #7

I'm currently integrating one for simple diagnostic readouts to integrated small touchscreen. The main goal being a retro looking display that mainly dumps ODB data/monitors, but also reads maps data to show a "waypointer" a la crazy taxi. (This is proving difficult) Respectfully, I don't think this is....real? -I mean, getting the absolute basic bits like diag codes converted from the odb 2 data to some program w/ a…

From readme: """ Unverified against the real car — it will confirm or refute itself on the next drive """ Looks like a ton of this is aspirational. For your project -- do you really need the car's GPS positioning? Could go with a dedicated GPS antenna, like the freematics dongle

I've had many drives with the carwatch and the list of verified features is long. Today we tested manufacturer cloud integration for lots of data and e g door locking through it. V0.3 came out today, progress is rapid.

Re: Show HN: I made a Raspberry with Qwen my local car AI

#64
post #3

Cool — but is that model really the right choice for the task? I guess it is only 3B active which helps a lot but is Gemma 4 E4B not more practical?

It was chosen because it presents a new level of intelligence in this size class. The smaller gemmas abd qwens are not so smart.

It was a very tight fit!

Re: Show HN: I made a Raspberry with Qwen my local car AI

#67

Earlier quoted context omitted.

I've been very impressed by it's intelligence and lack of hallucinations. The dynamic Q3 is a good balance between accuracy and size keeping the 35B just below 16 GB. It is not supposed to know everything, it is your car. It actively disengages from off topic chatter (too slow for that anyway), better spend that time feeling the car. It keeps itself grounded on sensor input. One principle per wheel. assert only what…

> . The dynamic Q3 is a good balance between accuracy and size keeping I'm having a hard time understanding how you find any sort of accuracy in Q3, when I use it with BF16 and it's hardly usable due to drastic hallucinations and inability for system prompt following. But, if it works for you, that's pretty good! Guess I'm jealous :)

Hmm we must be doing something different, I think the official accuracy measurement for the Q3 is more than 90%. Maybe some bug affecting your test?

Re: Show HN: I made a Raspberry with Qwen my local car AI

#68
post #47

I think you should provide better use case scenarios that make clear why this project is useful. I can already change AC and lock doors with two buttons, why it should be better to do it by voice? Pressing those buttons is way faster. I guess the manual RAG is useful, what I am saying is that use cases aren't clear from your post or README. As it is, one reads it as "cool, LLM in a car", and skips it.

Thanks point taken, will add clear use cases with proven / in testing / planned status indicators!

Re: Show HN: I made a Raspberry with Qwen my local car AI

#69

At one point, every machine on earth is going to be its own agent, asking and answering questions and expressing concerns. Its like a good example of that, but I think the utility of it needs to be clear, by making some action a lot more convenient or even better, by solving a structural impossibility - what is it that you can do with an agent mounted in a car that you otherwise can't? That seems like a much stronger…

Exactly right! Yes now adding use cases where you actually need an agent in the car. Proactively informing the agent team about car status and them performing follow up actions based on my schedule and preferences too is one basic set up where an agent is needed.

Re: Show HN: I made a Raspberry with Qwen my local car AI

#70
post #37

> stuff like changing AC Maybe it's different in the People's Republic of Europe or wherever, but either that's a translation error or I don't understand, but I would be interested to see how quickly the EPA gets mad when Claude tells you to recover your R134a to the atmosphere.

Greetings from the republic.. yeah I part time live in Berlin where we had 41'C (that is like 106 F ?) end of June, and have been watching them reconsider their attitude to AC.

Anyway here I meant activating heating / cooling before you step in the car, as determined by your agent family who understand you well and not requiring any "AC on!" commands from you. i live in Finland and preheating is very useful in the winter

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