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OPFA LAB

OPFA LAB is the parent format. Two to four nights a month. Ten to thirty people. Cheap rooms. Each night must leave something public.

Twenty people, fifteen of whom publish a project, beat an event of two hundred who only listen.

A small evening workshop: people around tables with laptops, a robot, and a diagram.

Do not optimize how many people attend. Optimize how many people leave and tell someone about OPFA on their own.

One machine, three limbs

AI Lab, Build Night, and Research Club are the standing limbs. The other formats rotate inside the same machine. They all feed one community.

  1. OPFA LAB → AI Lab → demo
  2. OPFA LAB → Build Night → project
  3. OPFA LAB → Research Club → paper

Which format should run first?

One vote per browser. You can move it. The tally is shared.

  1. A small evening room where people build side by side at laptops and a tiny robot.

    01 · 2–3 hours · About 15 people

    OPFA Build Night

    Everyone builds one small thing. A workshop is not a class. It is a machine that leaves projects behind.

    15 people → 15 projects → 15 GitHub repos → 15 posts → 15 people who carry OPFA onward.

    Examples

    • Build an AI agent
    • Build a mini SaaS
    • Build a Raspberry Pi robot
    • Build a mini P&ID digitizer
    • Build an app with a new stack

    Public artifact. A public repo and a post from each person.

    0 votes

  2. Three people gathered around a laptop showing a working demo.

    02 · About 90 minutes · 10–30 people

    OPFA AI Lab

    AI research becomes a prototype. OPFA is a place that makes technology, not a place that listens to talks.

    Pick one narrow build. Leave with a demo that runs.

    Examples

    • Build RAG in 90 minutes
    • Train a small vision model
    • OCR to structured data
    • An AI agent with tools
    • A local LLM on a GPU
    • Multimodal AI
    • AI and robotics

    Public artifact. A demo that runs before people leave.

    0 votes

  3. A small group reviewing code together on one screen.

    03 · One evening · 10–20 people

    OPFA Open Source Night

    Open an OPFA repo to the room. The night has one line: tonight we ship pull request number one.

    Clone, pick an issue, code, open a pull request, merge.

    Examples

    • Start with a small OPFA project
    • First contribution is the point

    Public artifact. Workshop → pull request → contributor → GitHub activity → community.

    0 votes

  4. A person at a desk with a terminal glow, old books, and a small circuit board.

    04 · About 3 hours · 10–20 people

    OPFA Tech Archaeology

    Pick an old technology that still matters, then rebuild a tiny piece of it. The feeling is engineering culture.

    Let’s rebuild it. Example: a tiny Unix shell in C, three hours.

    Examples

    • Unix
    • TCP/IP
    • Lisp
    • Smalltalk
    • Xerox PARC
    • Plan 9
    • Erlang
    • FPGA
    • Early AI
    • ARPANET

    Public artifact. A small reconstruction people can show.

    0 votes

  5. A small team around a table turning sketches and a laptop into a prototype.

    05 · 4 hours · 5–10 people

    OPFA 0 → 1

    A group receives one problem and four hours to turn it into a prototype: research, design, code, deploy, demo.

    A numbered series: OPFA 0→1 #001, #002, #003. The number is the brand.

    Examples

    • A small restaurant needs to track revenue

    Public artifact. A deployed demo with a series number.

    0 votes

  6. People around a table with a paper, a notebook, and a chart on a laptop.

    06 · 90 minutes · 8–16 people

    OPFA Research Club

    One paper a week. Not a long presentation. Ten minutes on the paper, twenty to break it down, thirty to reproduce, thirty to discuss.

    Let’s reproduce this vision paper.

    Examples

    • A notebook
    • A benchmark
    • A GitHub repo
    • A blog post

    Public artifact. Technical content: notebook, benchmark, repo, and a write-up.

    0 votes

  7. People leaning over a table of small boards, wires, motors, and a wheeled robot.

    07 · One evening · 10–20 people

    OPFA Hardware Night

    Each person gets a small kit: a board, a sensor, a motor. Hardware nights are more social than laptop-only rooms, and they are easy to film.

    Build a robot that detects and avoids obstacles. Or build a small weather station.

    Examples

    • ESP32, sensor, and motor
    • Obstacle-avoiding robot
    • IoT weather station

    Public artifact. A moving kit and a short video.

    0 votes

  8. People tracing a large piping diagram while a laptop shows a connection graph.

    08 · One session · Small teams

    OPFA P&ID Lab

    Tied to the OPFA P&ID digitizer. The question is whether AI can understand a chemical plant. The night also shows who can do the work.

    PDF → OCR and vision → symbols → entities → connection graph → digital P&ID.

    Examples

    • Each team digitizes one P&ID

    Public artifact. One digitized P&ID per team.

    0 votes

  9. Three people talking in a dim warm room, with no stage and no slides.

    09 · About an hour · A small room

    OPFA After Dark

    Not a technical build. Three founders or engineers. Fifteen minutes each: one thing I got wrong. What happened, why it happened, what I learned. No pitch. No motivational speech.

    What happened → why it happened → what I learned.

    Examples

    • Also called Failure Lab
    • Different from a company workshop

    Public artifact. A story people retell, and a room that feels unlike a company event.

    0 votes

  10. A mixed group in a warm room with laptops and blank cards, speaking together.

    10 · One evening · 10–30 people

    OPFA French × Tech

    A niche that belongs to OPFA: French and technology, between Vietnam and France. Students, engineers, founders, researchers in one room.

    French plus technology, in the same night.

    Examples

    • Twenty French words for AI engineers
    • Build a tiny AI agent while speaking French
    • French Tech Night

    Public artifact. A room that only OPFA would host, and people who bring a friend next time.

    0 votes

Every night leaves one public artifact

  • GitHub repo
  • Demo
  • Notebook
  • Article
  • Video
  • Dataset
  • Open-source contribution
  • Research reproduction

The growth loop

  1. 01Workshop
  2. 02Participant
  3. 03Build something
  4. 04Take a photo or video
  5. 05Post it
  6. 06A friend sees it
  7. 07A new participant
  8. 08The next workshop