AI meetup — Chennai
A packed afternoon of AI, LLMs, and ML discussions — more people than we expected, even in the Chennai heat.
crab.onl
CRAB
Chennai Robotics and AI Builders
Build robots. Ship AI. Learn in public. A community for builders in Chennai who tinker with robots, train models, and ship projects together.
Past events
From the room — meetups already on the board.
Open Claw Chennai
Our first Open Claw session — 30+ builders, zero awkward silence, and a community forming in one afternoon.
Articles
From the workshop floor
Attention Math: Query, Key, Value
Scaled dot-product attention with pen-and-paper numbers: build Q, K, V from I love AI, score, scale, softmax, mix Values — plus masks, multi-head, and gotchas.
AItransformersattention
KV Cache in LLMs
An illustrated walkthrough: prefill vs decode, toy Q·K scores, why attention recomputes Keys and Values, and how KV Cache stores and reuses them.
AILLMstransformers
Vector Database Illustrated
An illustrated walkthrough: index three sentences, run a query, and find the nearest neighbour — every cell is arithmetic you can follow on screen.
AIRAGvector databases
What we do
Workshops, open builds, and writing from the floor.
Articles
Illustrated explainers and build notes — starting with vector databases.
Events
Meetups and hands-on sessions across robotics, embedded, and applied AI.
Colleges
Affiliate a campus club — workshops and bootcamps at your college.
Join
Show up, share a project, ask a question. Builders teaching builders.