# Projects — Amrithnath Vijayakumar

### Personal Website

Developed using Astro framework to create a fast and well optimized website with automated deployment pipeline and mail server setup.

Role: Full-Stack Developer | Status: in-progress | Jan 2020 – Present

Technologies: Astro, TypeScript, CSS, Cloudflare, GitHub Actions

- Achieved 90% Lighthouse score with 100% best practices
- Automated deployment to multiple platforms (Cloudflare, GitHub, GCP, home lab)
- Custom mail server with DMARC, SPF rules
- Zero cost hosting (excluding domain renewal)
- Technical blogs and project documentation

- [https://amrithnath.dev](https://amrithnath.dev)
- [https://github.com/Amrithnath](https://github.com/Amrithnath)

### Raspberry Pi Weather Station & ML Prediction

Designed and built a weather station using Raspberry Pi and sensors, with automated data collection and ML-based weather prediction using 10+ years of historical data.

Role: Hardware & Software Engineer | Status: completed | Jan 2017 – Dec 2018

Technologies: Raspberry Pi, Arduino, Python, DynamoDB, Machine Learning, DHT11, BMP180

- Real-time weather data collection using sensor array
- Automated data ingestion to DynamoDB
- ML model for next-day weather prediction
- Processed 10+ years of historical weather data
- Visualization dashboards for data analysis

### Home Lab & Home Automation

Built a comprehensive home server cluster for prototyping, development, and smart home automation, eliminating reliance on third-party cloud services.

Role: Systems Engineer | Status: in-progress | Jan 2016 – Present

Technologies: Raspberry Pi, Docker, Reverse Proxy, Load Balancer, IoT, Terraform

- 4 Raspberry Pi cluster for load balancing and prototyping
- Integrated all home IoT devices locally
- Reverse proxy and internal load balancer
- Working on NAS server for data backup
- Terraform scripts for local cloud testing

### Serverless URL Shortener

Created a scalable serverless web application using AWS services for URL shortening, currently used in production at Tydy.

Role: Full-Stack Developer | Status: completed | Oct 2019 – Oct 2019

Technologies: AWS Lambda, DynamoDB, API Gateway, REST APIs

- Serverless architecture for cost efficiency
- REST API endpoints for public access
- Production deployment at Tydy
- Scalable and reliable URL shortening

### Autonomous Agricultural Rover

Developed an agricultural rover using computer vision, machine learning, and reinforcement learning for autonomous navigation and farm management tasks.

Role: ML Engineer | Status: completed | Aug 2015 – May 2016

Technologies: OpenCV, Machine Learning, Reinforcement Learning, Python, Computer Vision

- Computer vision for navigation and obstacle detection
- Reinforcement learning for efficient path planning
- Sensor fusion for autonomous operation
- Agricultural application focus

Canonical page: https://amrithnath.dev/projects/