AI Notes.
Browsing articles and guides categorized under AI. Use the search bar to refine matches.
Wake-Word Detection on an ESP32-S3 with TensorFlow Lite Micro
How the SmartPot's on-device wake word is put together: microphone, features, a small TensorFlow Lite Micro model, FreeRTOS tasks and the spoken reply, with the choices to make before you start.
How I Built an AI Portfolio Assistant with Gemini and Supabase
The architecture behind Fyra, the assistant on this site: cheap keyword retrieval over my own projects, strict on-topic rules, a Gemini model fallback chain, and a lead form that turns a chat into a structured brief.
A WhatsApp AI Assistant for a Guwahati Shop: What's Realistic in 2026
What an AI assistant on WhatsApp can and can't do for a local shop in 2026: the three ways to set one up, what Meta charges, the rules that changed this year, and how I'd run a first pilot.
Semantic Search with pgvector Inside Supabase PostgreSQL
How to store text embeddings directly in PostgreSQL using pgvector, and build a semantic search engine without a dedicated vector database like Pinecone.
Running TensorFlow Lite Micro on ESP32-S3
How to run machine learning models directly on the edge. Deploying wake-word and audio classification models on ESP32-S3 chips.
Cursor vs Claude Code: Real-World AI Programming Compared
An comparison of developer AI tools. When to use Cursor's visual pane editor vs Claude Code's terminal agent execution.
Choosing a Freelance AI Automation Engineer: Technical Checklist
How to find and screen freelance AI engineers for LLM integrations, retrieval-augmented generation (RAG), and agentic workflows.