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    <title>DEV Community: Ketan Sonar</title>
    <description>The latest articles on DEV Community by Ketan Sonar (@ketan_sonar).</description>
    <link>https://dev.to/ketan_sonar</link>
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      <title>DEV Community: Ketan Sonar</title>
      <link>https://dev.to/ketan_sonar</link>
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      <title>How I Built a Fully Local AI F1 Pit-Wall Using LLaMA 3, RAG, and Real-Time Telemetry</title>
      <dc:creator>Ketan Sonar</dc:creator>
      <pubDate>Wed, 13 May 2026 09:39:34 +0000</pubDate>
      <link>https://dev.to/ketan_sonar/how-i-built-a-fully-local-ai-f1-pit-wall-using-llama-3-rag-and-real-time-telemetry-4g8l</link>
      <guid>https://dev.to/ketan_sonar/how-i-built-a-fully-local-ai-f1-pit-wall-using-llama-3-rag-and-real-time-telemetry-4g8l</guid>
      <description>&lt;p&gt;Over the past few weeks, I’ve been experimenting with a question that kept coming to mind while watching Formula 1:&lt;/p&gt;

&lt;p&gt;Could a local AI system act like a race engineer and make real-time strategy calls from live telemetry?&lt;/p&gt;

&lt;p&gt;That idea eventually turned into a fully local AI pit-wall prototype capable of:&lt;/p&gt;

&lt;p&gt;Streaming telemetry at 10Hz&lt;br&gt;
Predicting tire cliff drop-offs one lap early&lt;br&gt;
Retrieving historical race knowledge using RAG&lt;br&gt;
Generating radio-style strategy calls with a local LLM&lt;br&gt;
Producing automated post-race PDF reports&lt;/p&gt;

&lt;p&gt;And the entire stack runs offline.&lt;/p&gt;

&lt;p&gt;The Goal&lt;/p&gt;

&lt;p&gt;Most AI systems today rely heavily on cloud inference.&lt;/p&gt;

&lt;p&gt;I wanted to explore something different:&lt;/p&gt;

&lt;p&gt;low-latency&lt;br&gt;
local inference&lt;br&gt;
explainable predictions&lt;br&gt;
real-time telemetry processing&lt;/p&gt;

&lt;p&gt;The project combines sequential ML prediction with retrieval-augmented contextual reasoning in a motorsport-inspired environment.&lt;/p&gt;

&lt;p&gt;System Architecture&lt;/p&gt;

&lt;p&gt;The pipeline is divided into five major components:&lt;/p&gt;

&lt;ol&gt;
&lt;li&gt;Telemetry Ingestion Layer&lt;/li&gt;
&lt;/ol&gt;

&lt;p&gt;Telemetry data is streamed through FastAPI WebSockets at 10Hz using historical F1 telemetry from the FastF1 library.&lt;/p&gt;

&lt;p&gt;Supported inputs:&lt;/p&gt;

&lt;p&gt;CSV&lt;br&gt;
JSON&lt;br&gt;
XLSX&lt;/p&gt;

&lt;p&gt;The telemetry stream includes:&lt;/p&gt;

&lt;p&gt;tire temperatures&lt;br&gt;
sector timing&lt;br&gt;
lap pace&lt;br&gt;
degradation patterns&lt;br&gt;
speed traces&lt;/p&gt;

&lt;ol&gt;
&lt;li&gt;Predictive ML Engine&lt;/li&gt;
&lt;/ol&gt;

&lt;p&gt;The prediction system uses:&lt;/p&gt;

&lt;p&gt;2-layer LSTM&lt;br&gt;
Multi-head attention&lt;br&gt;
Sequential telemetry windows&lt;/p&gt;

&lt;p&gt;The model predicts:&lt;/p&gt;

&lt;p&gt;next-lap pace degradation&lt;br&gt;
probability/confidence score&lt;br&gt;
possible tire cliff onset&lt;/p&gt;

&lt;p&gt;The attention mechanism helped significantly when modeling nonlinear degradation patterns.&lt;/p&gt;

&lt;ol&gt;
&lt;li&gt;RAG Knowledge Base&lt;/li&gt;
&lt;/ol&gt;

&lt;p&gt;To make strategy outputs more contextual, I added a Retrieval-Augmented Generation pipeline using:&lt;/p&gt;

&lt;p&gt;ChromaDB&lt;br&gt;
HuggingFace all-MiniLM-L6-v2 embeddings&lt;/p&gt;

&lt;p&gt;The vector database stores:&lt;/p&gt;

&lt;p&gt;FIA rulebooks&lt;br&gt;
historical race reports&lt;br&gt;
strategy notes&lt;/p&gt;

&lt;p&gt;This allows the system to retrieve contextual racing knowledge dynamically before generating strategy recommendations.&lt;/p&gt;

&lt;ol&gt;
&lt;li&gt;AI Race Engineer&lt;/li&gt;
&lt;/ol&gt;

&lt;p&gt;The strategy layer runs locally using:&lt;/p&gt;

&lt;p&gt;Ollama&lt;br&gt;
LLaMA 3&lt;/p&gt;

&lt;p&gt;Instead of returning raw ML predictions, the system converts outputs into radio-style race engineering calls.&lt;/p&gt;

&lt;p&gt;Example:&lt;/p&gt;

&lt;p&gt;“Tire degradation trend indicates high cliff probability within 2 laps. Box window optimal between laps 18–20.”&lt;/p&gt;

&lt;p&gt;One of the most interesting challenges was balancing:&lt;/p&gt;

&lt;p&gt;concise outputs&lt;br&gt;
explainability&lt;br&gt;
low latency&lt;/p&gt;

&lt;ol&gt;
&lt;li&gt;Frontend + Visualization&lt;/li&gt;
&lt;/ol&gt;

&lt;p&gt;Frontend stack:&lt;/p&gt;

&lt;p&gt;Next.js 14&lt;br&gt;
Tailwind CSS&lt;br&gt;
Recharts&lt;br&gt;
Framer Motion&lt;/p&gt;

&lt;p&gt;The UI focuses heavily on:&lt;/p&gt;

&lt;p&gt;real-time telemetry readability&lt;br&gt;
pit-wall inspired dashboards&lt;br&gt;
prediction visibility&lt;br&gt;
strategy clarity&lt;br&gt;
Automated Race Debrief&lt;/p&gt;

&lt;p&gt;At the end of a session, the system generates a complete PDF race report client-side using:&lt;/p&gt;

&lt;p&gt;jsPDF&lt;br&gt;
html2canvas&lt;/p&gt;

&lt;p&gt;The report includes:&lt;/p&gt;

&lt;p&gt;tire performance&lt;br&gt;
prediction history&lt;br&gt;
telemetry snapshots&lt;br&gt;
strategic recommendations&lt;br&gt;
Tech Stack&lt;br&gt;
AI / ML&lt;br&gt;
PyTorch&lt;br&gt;
LSTM + Attention&lt;br&gt;
LangChain&lt;br&gt;
Ollama&lt;br&gt;
LLaMA 3&lt;br&gt;
Backend&lt;br&gt;
FastAPI&lt;br&gt;
Uvicorn&lt;br&gt;
SQLAlchemy&lt;br&gt;
SQLite&lt;br&gt;
Data + Retrieval&lt;br&gt;
ChromaDB&lt;br&gt;
HuggingFace embeddings&lt;br&gt;
FastF1 telemetry&lt;br&gt;
Frontend&lt;br&gt;
Next.js 14&lt;br&gt;
Tailwind CSS&lt;br&gt;
Recharts&lt;br&gt;
Framer Motion&lt;br&gt;
Key Challenges&lt;/p&gt;

&lt;p&gt;Some of the hardest parts were:&lt;/p&gt;

&lt;p&gt;Maintaining low-latency telemetry streaming&lt;br&gt;
Combining ML predictions with RAG retrieval cleanly&lt;br&gt;
Running everything locally without cloud services&lt;br&gt;
Making outputs interpretable instead of “black box” predictions&lt;br&gt;
Future Improvements&lt;/p&gt;

&lt;p&gt;Some things I’m currently exploring:&lt;/p&gt;

&lt;p&gt;reinforcement learning for strategy optimization&lt;br&gt;
live multi-car telemetry simulation&lt;br&gt;
voice-based AI engineer interaction&lt;br&gt;
better uncertainty estimation&lt;br&gt;
more advanced degradation modeling&lt;br&gt;
Demo + Repository&lt;/p&gt;

&lt;p&gt;Public showcase repository:&lt;/p&gt;

&lt;p&gt;GitHub Repository&lt;/p&gt;

&lt;p&gt;(Full implementation remains private for now.)&lt;/p&gt;

&lt;p&gt;Final Thoughts&lt;/p&gt;

&lt;p&gt;This project started as an experiment around local AI systems and real-time telemetry, but it became one of the most interesting engineering challenges I’ve worked on so far.&lt;/p&gt;

&lt;p&gt;I’d genuinely appreciate feedback from:&lt;/p&gt;

&lt;p&gt;ML engineers&lt;br&gt;
motorsport enthusiasts&lt;br&gt;
telemetry specialists&lt;br&gt;
frontend developers&lt;br&gt;
local AI builders&lt;/p&gt;

&lt;p&gt;Especially around:&lt;/p&gt;

&lt;p&gt;telemetry realism&lt;br&gt;
RAG usefulness&lt;br&gt;
UI/UX improvements&lt;br&gt;
inference architecture&lt;/p&gt;

</description>
      <category>ai</category>
      <category>machinelearning</category>
      <category>rag</category>
      <category>pgaichallenge</category>
    </item>
    <item>
      <title>When Cloud Giants Compete, Local Data Centers Win the Trust</title>
      <dc:creator>Ketan Sonar</dc:creator>
      <pubDate>Mon, 22 Dec 2025 18:20:52 +0000</pubDate>
      <link>https://dev.to/ketan_sonar/when-cloud-giants-compete-local-data-centers-win-the-trust-335o</link>
      <guid>https://dev.to/ketan_sonar/when-cloud-giants-compete-local-data-centers-win-the-trust-335o</guid>
      <description>&lt;p&gt;While the cloud giants battle for scale, features, and global dominance, real-world businesses often win with something much simpler — trust, clarity, and fit.&lt;/p&gt;

&lt;p&gt;AWS, Azure, and GCP offer incredible power, but complexity, cost unpredictability, and support gaps still challenge many teams. In contrast, local data center providers quietly deliver what matters most: low latency, human support, compliance confidence, and solutions tailored to real business needs.&lt;/p&gt;

&lt;p&gt;The future isn’t about choosing the biggest cloud.&lt;br&gt;
It’s about choosing the right architecture.&lt;/p&gt;

&lt;p&gt;Sometimes, while giants fight, the quiet player wins — by solving the actual problem.&lt;br&gt;
This article connects to my research and applied data science work published on Medium → ketansonar.medium.com&lt;/p&gt;

</description>
      <category>cloud</category>
      <category>datacenter</category>
      <category>aws</category>
      <category>gcp</category>
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