Jeyadev R

Projects

• ScamShield: Explainable Scam SMS Detector for India

  AI / Security

  Explainable, obfuscation-robust scam SMS detector for Indian messages (KYC, UPI, courier, digital-arrest scams). Undoes tricks like '0TP' and 'v e r i f y', highlights the words behind each verdict, and checks links for look-alike bank domains. Of 8 benchmarked models, the deployed calibrated linear SVM reaches 0.97 F1, matching DistilBERT.

  Tech stack: Python, scikit-learn, PyTorch, DistilBERT, FastAPI, React

  ScamShield project detailsScamShield source

• PHYS-TRUST Lite: Trust-Adaptive Physics-Informed Air Quality Sensing

  AI / IoT

  Air quality estimation on one low-cost Arduino node (MQ135 + DHT11). A Kalman filter fuses sensor physics, room mass-balance physics and an LSTM-ensemble prior, weighting each by a live trust score, with a 90% conformal uncertainty band and fault detection. Live React dashboard, local Gemma 3 explanations, 9% lower error than fixed-weight fusion.

  Tech stack: Arduino, PyTorch, FastAPI, React, WebSocket, Ollama

  PHYS-TRUST Lite project detailsPHYS-TRUST Lite source

• Attendance ERP: Multi-Semester College Attendance System on the Edge

  Full-Stack / EdTech

  College attendance system built around real timetables: multi-hour labs marked once, partial exam days, one-off period swaps, and bunk detection. Mobile-first marking, timetable builder with conflict checks, a student planner that projects when attendance crosses the limit, and admin heatmaps with an audit log, all on Cloudflare Workers + D1.

  Tech stack: Next.js, TypeScript, Hono, Cloudflare Workers, D1, Prisma

  Attendance ERP project detailsAttendance ERP source

• FRONTIER: Local AI Content Agent for a Discord Community

  AI / Automation

  AI agent for a student tech community Discord server. Discovers hackathons, research and AI news, drafts posts in the author's writing style with a local LLM (Ollama / LM Studio), routes them to the right channel, and publishes only after human approval via a React dashboard or Discord buttons. Ships an MCP server for other AI agents.

  Tech stack: Python, FastAPI, React, Ollama, discord.py, MCP

  FRONTIER project detailsFRONTIER source

• ASPCV CRM: Full-Stack CRM for a Cleantech Company

  Full-Stack / SaaS

  Full-stack CRM covering the full customer lifecycle from lead to deal, project, installation, and support, plus HR/payroll/attendance, inventory, material requests, invoicing, and dynamic database-backed role-based access control.

  Tech stack: React, TypeScript, Node.js, Express, Prisma, PostgreSQL

  ASPCV CRM project detailsASPCV CRM source

• sret-rag: Self-Hosted RAG on a 4-PC LAN Cluster

  AI / Infrastructure

  Built for offline AI access at college with zero cloud dependency. Fully offline, self-hosted Retrieval-Augmented Generation system distributed across 4 budget PCs on a LAN: a FastAPI gateway, dedicated embedder, FAISS vector index, and a llama.cpp/Qwen2.5 LLM node. ChatGPT-style UI, cited answers, embed caching, doc dedup, and session-based auth.

  Tech stack: FastAPI, FAISS, llama.cpp, Qwen2.5, SQLite, sentence-transformers

  sret-rag project detailssret-rag source

• PolyBot: Autonomous Prediction-Market Trading Engine

  AI / Trading

  Autonomous trading engine for Polymarket prediction markets, with live order book/price ingestion, mispricing/momentum/news strategy scoring, on-chain execution via Web3, a risk management core, and a control-panel dashboard for monitoring and steering the bot.

  Tech stack: Python, FastAPI, Web3, Redis, PostgreSQL, Docker

  PolyBot project detailsPolyBot source

• AbsorbAI: Clinical Pharmacokinetic Decision-Support Platform

  AI / Healthcare

  Clinical decision-support platform simulating personalized drug behavior across ~45 drugs for doctor and patient roles. Features a 10-layer PK/PD engine, Monte Carlo uncertainty quantification, Bayesian updates, a pharmacological knowledge graph, and Gemma 1.5B LLM integration.

  Tech stack: Python, Django, NetworkX, Gemma 1.5B

  AbsorbAI project detailsAbsorbAI source

• Pollumap V3: Real-Time Air Quality Dashboard

  Full-Stack / Environmental

  Full-stack air quality dashboard for Chennai with live AQI charts, an interactive Leaflet map, XGBoost-powered 24-hour forecasts, an A* 'Healthy Routing' algorithm for least-polluted paths, source-apportionment breakdowns, and an IoT sensor dashboard.

  Tech stack: React, Vite, Flask, MongoDB, XGBoost, Leaflet

  Pollumap V3 project detailsPollumap V3 source

• Market Oracle: Commodity Price Forecasting Ensemble

  AI / Finance

  Commodity price prediction pipeline for the Mitsui Commodity Prediction Challenge, combining a 9-model ensemble (Chronos, NeuralProphet, NeuralCDE, Mixture-of-Experts, Temporal Graph Attention, Granger causality, regime detection) via a Bayesian meta-ensemble with confidence intervals.

  Tech stack: PyTorch, NeuralProphet, Chronos, Transformers, NetworkX

  Market Oracle project detailsMarket Oracle source

• EcoSynth: Neuro-Symbolic Green Retrosynthesis Planner

  AI / Chemistry

  AI-assisted retrosynthesis planner combining symbolic chemistry rules, RAG over literature/reaction data, and a green-chemistry scorer to propose, validate, and rank synthesis routes, with built-in hallucination detection and a React UI for exploring reasoning traces.

  Tech stack: Python, FastAPI, ChromaDB, React, ChemBERTa

  EcoSynth project detailsEcoSynth source

• HyperlocalAQ: Multi-Source Air Quality Modeling for Chennai

  AI / Environmental

  High-resolution air quality modeling framework integrating 7 APIs (WAQI, NASA FIRMS, Open-Meteo, TomTom, OSM, CAMS, OpenFDA) with hybrid IDW modeling, fire-impact and traffic adjustments, visualized on an interactive Folium map.

  Tech stack: Python, Folium, IDW Modeling

  HyperlocalAQ project detailsHyperlocalAQ source

• Aspiration Cleantech Ventures: MERN Web Platform for a Solar Energy Company

  Full-Stack / SaaS

  Production MERN-stack web app built during a full-stack internship for a cleantech/solar energy company. JWT authentication, Helmet security hardening, and Cloudinary-based image uploads.

  Tech stack: React, Vite, TypeScript, Node.js, Express, MongoDB

  Aspiration Cleantech Ventures project detailsAspiration Cleantech Ventures source

• sret-noticeboard: College Notice Board with Admin Panel & Calendar

  Full-Stack / EdTech

  Built for my college's notice board system. Role-based auth (student/faculty/admin), an admin dashboard with usage stats, image-attached notices, and a FullCalendar-driven event calendar. Node/Express/MongoDB backend with JWT auth and Multer-based image uploads.

  Tech stack: Node.js, Express, MongoDB, JWT, Multer, FullCalendar

  sret-noticeboard project detailssret-noticeboard source

• Cardio Disease Detection Engine: Cardiovascular Risk Dashboard + API

  AI / Healthcare

  ML system predicting cardiovascular disease risk (High/Low) from patient clinical and lifestyle data. Streamlit dashboard and Flask API backed by a tuned model zoo (Logistic Regression through stacking/voting ensembles), with the best model auto-selected for production.

  Tech stack: Python, Streamlit, Flask, XGBoost, LightGBM, CatBoost

  Cardio Disease Detection Engine project detailsCardio Disease Detection Engine source

• AeroSight: Air Quality Forecasting & Health Reporting Toolkit

  AI / Environmental

  Air quality analysis and forecasting toolkit combining Prophet and XGBoost dual-model forecasting, correlating pollution with mortality data, and auto-generating multi-page PDF reports for monitoring stations.

  Tech stack: Python, Prophet, XGBoost, Open-Meteo

  AeroSight project detailsAeroSight source

• AI Drug-Food Interactions: NLP-Powered Interaction Classifier

  AI / Healthcare

  NLP + ML web app classifying drug-food interactions into 6 categories using TF-IDF vectorization and ensemble models (99.2% accuracy), with semantic search and a generated knowledge graph.

  Tech stack: Python, Streamlit, Scikit-learn, TF-IDF

  AI Drug-Food Interactions project detailsAI Drug-Food Interactions source

• Intel Scene Classification: CNN vs VGG16 vs Bagged Ensemble

  AI / Computer Vision

  Image classification on the Intel Image Classification dataset (6 scene classes), comparing a baseline CNN, fine-tuned VGG16 transfer learning, and a bagged-ensemble of Dense heads (~93% test accuracy), with Grad-CAM visualizations and misclassification analysis.

  Tech stack: TensorFlow, Keras, scikit-learn, Grad-CAM

  Intel Scene Classification project detailsIntel Scene Classification source

• GloVe from Scratch: Word Embeddings Trained on WikiText-2

  AI / NLP

  GloVe word embeddings built from first principles: sparse co-occurrence matrix (120x smaller than dense), hand-derived gradients verified against autograd, and manual AdaGrad, with no autograd or torch.optim. Trained on WikiText-2 in 26 s on a 4 GB laptop GPU, with analogy tests, ablations and a comparison against official GloVe vectors.

  Tech stack: Python, PyTorch, CUDA, NumPy

  GloVe from Scratch project detailsGloVe from Scratch source

• ANPR-YOLOv4: Automatic Number Plate Recognition

  AI / Computer Vision

  Automatic Number Plate Recognition system using a custom-trained YOLOv4 detector for cars, bikes, and autos. Custom-labeled dataset, Darknet training pipeline, and inference notebook for detecting vehicles and localizing their number plates.

  Tech stack: YOLOv4, Darknet, OpenCV, Python

  ANPR-YOLOv4 project detailsANPR-YOLOv4 source

• Cardiovascular Risk Prediction: ML Pipeline for Patient Health Data

  AI / Healthcare

  End-to-end ML pipeline predicting cardiovascular disease risk from patient health data. Engineered features (BMI, MAP, pulse pressure, hypertension flag, heuristic risk score) feed baseline and tree-based models, evaluated on accuracy, precision, recall, F1, and ROC-AUC.

  Tech stack: Python, scikit-learn, XGBoost, LightGBM, CatBoost, TensorFlow

  Cardiovascular Risk Prediction project detailsCardiovascular Risk Prediction source

• T20 Fantasy Impact Model: LightGBM Fantasy Team Optimizer

  AI / Sports Analytics

  ML-driven T20 cricket fantasy team optimizer. Dual LightGBM models (mean + P90 quantile) trained on ball-by-ball data predict batting runs and bowling impact; a match-day engine then builds an optimal Dream11-style XI under credit/role constraints with captain/vice-captain selection.

  Tech stack: Python, LightGBM, pandas, joblib

  T20 Fantasy Impact Model project detailsT20 Fantasy Impact Model source

• Aspiration Cleantech Academy: Job-Oriented Training Platform

  Full-Stack / EdTech

  Job-oriented training platform covering HVAC, entrepreneurship, digital marketing, and sales courses. Next.js frontend with an Express/MongoDB backend, built during a digital marketing internship landing-page build.

  Tech stack: Next.js, TypeScript, Express, MongoDB

  Aspiration Cleantech Academy project detailsAspiration Cleantech Academy source

• VoteIQ: AI-Powered Civic Education App

  AI / Civic Tech

  AI-powered civic education assistant helping first-time Indian voters understand the election process. Built in 8 hours at Google's Prompt Wars, featuring a guided voter journey, myth-busting AI module, guarded Q&A assistant, civic maturity scoring, and a readiness quiz.

  Tech stack: Flask, Vanilla JS, Gemini 2.0 Flash, Google OAuth

  VoteIQ project detailsVoteIQ source

• Advanced CLI Web Scrapper: Full-Site Archiver Built on Playwright

  Tooling

  CLI tool to download full web pages with assets (CSS, JS, images, video) for offline archiving. Handles dynamic/JS-heavy pages, adjustable crawl depth, URL filtering, domain locking, and concurrent downloads.

  Tech stack: Python, Playwright, BeautifulSoup

  Advanced CLI Web Scrapper project detailsAdvanced CLI Web Scrapper source

• InstaAnalyzer: Follower/Following Analysis Script

  Tooling

  Python script analyzing Instagram accounts to identify mutual followers and non-followbacks, using Instaloader for data and the Rich library for clean terminal output.

  Tech stack: Python, Instaloader, Rich

  InstaAnalyzer project detailsInstaAnalyzer source

• Quantum Teleportation Simulation: Interactive Browser-Based Quantum Circuit Visualizer

  Education / Visualization

  Zero-dependency browser simulator visualizing the quantum teleportation protocol step-by-step, with selectable noise models, an animated quantum circuit, and real-time fidelity metrics.

  Tech stack: JavaScript, Tailwind CSS, SVG

  Quantum Teleportation Simulation project detailsQuantum Teleportation Simulation source

• Sudoku Visualisation: Algorithm Comparison: Backtracking vs MRV

  Algorithms / Visualization

  Graphical Sudoku solver and visualizer built natively in C++ with SFML. Generates puzzles at three difficulty levels and runs a side-by-side timing comparison of Backtracking vs MRV-heuristic solving.

  Tech stack: C++, SFML

  Sudoku Visualisation project detailsSudoku Visualisation source

• Arduino Calc: Matrix Edition: Von Neumann CPU Concepts on Real Hardware

  Embedded / COA

  Calculator built for a Computer Organization & Architecture course, mapping Von Neumann CPU concepts onto Arduino Uno hardware with a matrix-styled Web Serial interface that needs no Serial Monitor.

  Tech stack: Arduino, Web Serial API, HTML/CSS

  Arduino Calc: Matrix Edition project detailsArduino Calc: Matrix Edition source

• Urban Farming Simulator: OOP Rooftop Farm Management Sim

  Academic / Java

  Text-based rooftop urban farm management simulation modeling crop biology, seasonal weather, and market fluctuations using SOLID principles, encapsulation, and polymorphism. Built with a 3-person team.

  Tech stack: Java, OOP

  Urban Farming Simulator project detailsUrban Farming Simulator source

• Crorepati Quiz Game: CLI Quiz Game Inspired by KBC

  Academic / Java

  CLI-based quiz game inspired by 'Kaun Banega Crorepati', built in Java with lifelines and escalating prize levels.

  Tech stack: Java

  Crorepati Quiz Game project detailsCrorepati Quiz Game source

• StyleGAN Exploration: Style-Based GAN in TensorFlow/Keras on CIFAR-10

  AI / Deep Learning

  Compact StyleGAN implementation in TensorFlow/Keras for image generation on CIFAR-10, in a single Jupyter notebook. An 8-layer mapping network and AdaIN style modulation drive synthesis, with style mixing and latent interpolation experiments. An educational implementation, not a reproduction of StyleGAN2 or StyleGAN3.

  Tech stack: Python, TensorFlow, Keras, Jupyter

  StyleGAN Exploration project detailsStyleGAN Exploration source

• Design and Analysis of Algorithms Study Guide: Student guide to 16 classic algorithms with C code

  Education / Algorithms

  PDF study guide and C implementations for 16 key algorithms and problems from Anany Levitin's Introduction to the Design and Analysis of Algorithms: searching, sorting, N-Queens, knapsack, Kruskal, Dijkstra, Graham scan, Miller-Rabin and LCS, organised into Basic, Moderate and High difficulty levels.

  Tech stack: C, Algorithms, Data Structures

  Design and Analysis of Algorithms Study Guide project detailsDesign and Analysis of Algorithms Study Guide source

• ASPCV WordPress Site: Custom Astra child theme and mu-plugins for a cleantech company site

  Full-Stack / WordPress

  Source-controlled custom code for the corporate website of Aspiration Cleantech Ventures: an Astra child theme with custom page templates, plus must-use plugins for the navigation system and redirects, deployed on WordPress.

  Tech stack: WordPress, PHP, Astra, Elementor, LiteSpeed

  ASPCV WordPress Site project detailsASPCV WordPress Site source