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"Whatever It Takes"- One of the few phrases from my dictionary...
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"Whatever It Takes"- One of the few phrases from my dictionary...

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dhaatrik/README.md

Dhaatrik Chowdhury

First-Principles Thinker • AI Systems Architect • Open-Source Builder

Website Engineering Transmissions GitHub X LinkedIn


SYS.STATUS: OPERATIONAL  •  FOCUS: AGRI-AI  •  BASE: INDIA

====================================================================
// TRANSMISSION METADATA // SYSTEM OVERVIEW
--------------------------------------------------------------------
- PILOT: Dhaatrik Chowdhury (India)
- CORE AXIOM: Break problems down to fundamental truths, avoid shortcuts.
- STATUS: Active on Agriculture AI
- PEDAGOGY: Taught physics & math for 9 years; stepped back in 2025.
====================================================================

Mission Telemetry

Hey, I'm Dhaatrik. I build software by deconstructing problems into their core physical and mathematical constraints.

  • Current Focus: Building practical AI tools for agriculture. Farming has hard physical constraints. I focus on solving direct operational bottlenecks for farmers rather than wrapping generic API prompts.
  • Systems & Simulations: Building browser sandboxes that do heavy computation on the client. DeltaV Lab runs 50Hz RK4 physics in a dedicated web worker, The Infinite Intelligence coordinates multi-agent LLM debates, and Vellor manages business records in local encrypted storage.
  • Teaching Roots (2016–2025 Archive): I spent nine years tutoring roughly 200 students in physics and mathematics. I founded DBS Classes on YouTube with one rule: "Education is not free, but knowledge is free." In 2025, I stepped away from teaching to focus full time on software engineering. That classroom rigor still dictates how I structure systems and explain technical trade-offs.
  • Open Comms: Always down to discuss orbital mechanics, agent orchestration, recommendation engines, or startup mistakes. Drop a message on X or LinkedIn.

Flagship Projects

Project System & Mission Core Stack Telemetry & Code
DeltaV Lab
DeltaV Lab
Browser Rocket Simulator
Deterministic 50Hz 4th-order physics engine in a Web Worker. Includes a Vehicle Assembly Building (VAB) and a DSL flight computer.
TypeScript
Web Workers
SharedArrayBuffer
Vitest
Source Code
Mission Log
Physics Derivations
Vellor
Vellor
Offline Tutoring Operations OS
Free, MIT-licensed PWA for independent tutors. Stores student rosters and logs with client-side AES-GCM encryption. Zero backend, zero subscriptions.
React 19
TypeScript
Zustand 5
AES-GCM • PWA
Source Code
Mission Log
Architecture Doc
The Infinite Intelligence
The Infinite Intelligence
BYOK Multi-Agent LLM Council
Client-side orchestration engine running multi-persona debates with Human-in-the-Loop steering, session branching, and PDF synthesis.
React 19
TypeScript
@google/genai
Motion
Source Code
Mission Log
Guardrails Doc
FuelDrop
FuelDrop
Frontend Fuel Logistics Demo
Interactive client prototype for on-demand fuel delivery with customer ordering, captain dispatch, and Leaflet map UI on mock state.
React 19
TypeScript
Tailwind CSS
Leaflet • PWA
Source Code
Mission Log
Tech Stack Doc

Architecture Deep Dives & Failure Postmortems (Click to expand)

1. DeltaV Lab — Trajectory Sandbox & RK4 Integration

  • The Architecture: Separated the numerical physics loop from rendering by running fixed-timestep RK4 ($dt = 0.02,\text{s}$, 50 Hz) inside a dedicated Web Worker. Telemetry synchronizes via SharedArrayBuffer so DOM repaints never pause integration. Includes a custom WHEN <condition> THEN <action> DSL flight computer, pre-launch Go/No-Go checklists, and Flight Termination System interlocks.
  • The Fuckup & Root Cause: I initially passed hundreds of discrete coordinate objects through standard postMessage on every frame. This flooded the event queue, stalled the worker, and ruined integration timing. I fixed it by switching to contiguous shared memory buffers.
  • Honest Limitations: DeltaV Lab is a 2D pedagogical sandbox with an exponential atmosphere (7 km scale height) and simplified Dryden wind gusts. It is not 6DOF flight-certified software with published validation data.
  • Deep Transmissions: Why It's Not Professional Grade • Native Physics Core Migration

2. Vellor — Zero-Knowledge Local Tutoring OS

  • The Architecture: Runs entirely on the client device. All data is encrypted with AES-GCM before writing to local client storage (IndexedDB via localForage). Features virtualized student rosters and $O(N)$ operations for instant lookups on low-end hardware.
  • The Fuckup & Root Cause: I almost derailed the project by building RPG-style gamification, badges, and levels. That visual noise cluttered the core payment and lesson logging path. I stripped celebration chrome from the transaction flow and moved gamification into a separate optional view.
  • Honest Limitations: Zero-server architecture means no automatic multi-device synchronization. Users own their disaster recovery through JSON exports.
  • Deep Transmissions: The Gamification Trap • Local Backup Reality

3. The Infinite Intelligence — Multi-Model Peer Review

  • The Architecture: Breaks prompts into first-principles constraints and coordinates parallel, sequential, or round-robin debate cycles between distinct personas, with Human-in-the-Loop steering to guide synthesis.
  • The Fuckup & Root Cause: I ran an unbounded debate test without recursion caps using vague critic prompts. The agents argued in a loop and drained API key rate limits in minutes. I added hard round ceilings, live token tracking, and cost estimation telemetry.
  • Honest Limitations: Client-side BYOK tool. Token costs scale with agents $\times$ rounds $\times$ prompt size.
  • Deep Transmissions: BYOK Economics & Guardrails • Why a Council of Models

4. FuelDrop — On-Demand Fuel Logistics Interface

  • The Architecture: Delivery interface prototyping customer orders, captain job dispatching (/captain), emergency surge logic, and fleet bulk orders.
  • The Fuckup & Root Cause: I initially described this project on my portfolio using words that implied production WebSocket backends and database transaction rollbacks. That was inaccurate. The repo is an interactive client demo running on simulated OTP (1234) and mock state. Stating the exact boundary between prototype and production infrastructure is mandatory.
  • Deep Transmissions: UX Prototype vs. Real Logistics • Client-Only Tech Stack

Technical Arsenal

AI, Systems Modeling & Mathematics

Python TensorFlow PyTorch Scikit-Learn Pandas NumPy Google Gemini

Frontend & Client Architecture

TypeScript React 19 Next.js Vite Tailwind CSS Web Workers PWA

Backend, Cloud & Storage

Node.js FastAPI Express PostgreSQL Supabase Google Cloud Vitest Git


Engineering Transmissions & Mission Logs

Selected deep dives from dhaatrik.github.io/transmissions:


Connect

Have a project idea, want to debate orbital dynamics, or explore an AI architecture? Reach out:

X LinkedIn Medium Facebook Instagram

Pinned Loading

  1. agrosymbiont agrosymbiont Public

    It is a modern web platform designed to showcase and provide solutions for sustainable agriculture. We combine nanotechnology, certified organic inputs, and expert agronomy to empower farmers, rest…

    TypeScript 1

  2. professional-rocket-launch-simulation professional-rocket-launch-simulation Public

    Engineering-Grade Spaceflight Simulation. Features accurate physics using RK4 integration, atmospheric modeling, and Kerbal Space Program-inspired controls.

    TypeScript 1

  3. the-infinite-intelligence the-infinite-intelligence Public

    A sophisticated AI agent orchestrator that simulates collective reasoning. While single-model AI often suffers from "tunnel vision" or binary logic, this platform employs a multi-agent "council" to…

    TypeScript 1

  4. vellor vellor Public

    Offline-first, zero-knowledge tutoring operations OS built with React 19, TypeScript, Zustand, and client-side AES-GCM encryption.

    TypeScript

  5. fueldrop fueldrop Public

    This is a cutting-edge, React-powered fuel delivery platform that redefines how users refuel their vehicles. By bridging the gap between fuel stations and consumers, it offers an on-demand service …

    TypeScript

  6. focal-dom focal-dom Public

    DOM-Aware Intelligent Video Recording & Dynamic Virtual Camera Studio

    TypeScript