sithulaka<dev>@SKernel-3.10.24

portfolio.dev

Projects Portfolio

Explore my portfolio of innovative solutions across various domains - from AI and blockchain to web applications and mobile experiences.

Featured

All Projects

Open Source

Featured Projects

In-depth case studies of my most significant and impactful work.

Developer Tools

Couch Control

Cross-platform remote desktop control from any browser - locally or globally via Cloudflare Tunnel. Features real-time WebSocket streaming (~50ms latency), PIN authentication, PWA support, touch gestures, virtual keyboard, and minimal resource usage under 50MB RAM.

v2.0.0 with auto-detected input handlers for Linux X11/Wayland (xdotool/ydotool) and Windows/macOS (pynput). Uses mss for screen capture and TurboJPEG for encoding. Supports Cloudflare Quick Tunnels for global access without port forwarding, YAML-based config, dark/light/auto themes, and standalone .exe builds for Windows.

PythonWebSocketPWACross-PlatformRemote Desktop

GitHub Live Demo

IoT & Hardware

PICO DMX Controller

A comprehensive DMX-512 communication system for the Raspberry Pi Pico, featuring configurable channel settings, full universe transmission, and real-time monitoring capabilities using PIO state machines.

This implementation leverages the Pico's PIO (Programmable I/O) state machines to achieve the precise 250 kbaud timing required by the DMX-512 protocol. Features full 512-channel universe support, RS-485 integration, and real-time monitoring capabilities.

C++Raspberry Pi PicoDMX-512PIO

GitHub Live Demo

Language Tools

PDF Translator

A Python tool to translate text in PDF files to Sinhala, preserving text layout and table structures. Extracts text and tables from PDF files, translates using Google Translator, and saves translated content.

Built with Python, this translator maintains document structure while converting content, especially useful for documents with complex layouts and tables. Features text extraction, translation via Google Translator, and structured text file output.

PythonPDF ProcessingTranslationSinhala Language

GitHub Live Demo

Web Applications

ZTalk

A modern zero-configuration messaging and SSH management application for local networks with automatic peer discovery, real-time messaging, and network diagnostics tools.

Features zero-configuration networking with automatic peer discovery, real-time chat with private, group, and broadcast messages, SSH connection management, and network diagnostic tools. Includes both modern React web UI and terminal-based interfaces.

PythonTypeScriptReactWebSocket

GitHub Live Demo

More Projects

A collection of additional projects showcasing my technical versatility.

~/projects $ ls -la

total 14 items

~/projects/8-bit-alu-implementation

IoTRaspberry Pi Pico+2

→ 8-bit ALU Implementation

An 8-bit Arithmetic Logic Unit built using Raspberry Pi Pico, seven-segment displays, and SN74LS83N Adder ICs to perform binary addition with real-time display.

Code Demo

~/projects/picoled-protocol-bridge

C++Raspberry Pi Pico+2

→ PicoLED Protocol Bridge

A multi-protocol LED control system for Raspberry Pi Pico supporting WS2812B LEDs, DMX-512 output, and RS-485 serial communication simultaneously.

Code Demo

~/projects/ip-camera-qr-scanner

PythonOpenCV+2

→ IP Camera QR Scanner

A comprehensive Python application that connects to IP cameras via RTSP, detects and decodes QR codes in real-time, and saves decoded information with multi-camera support.

Code Demo

~/projects/mdns-device-discovery

PythonZeroconf+2

→ mDNS Device Discovery

A robust mDNS communication system for master-client device discovery and monitoring in local networks with automatic service discovery and health monitoring.

Code Demo

~/projects/domain-checker

PythonWHOIS+2

→ Domain Checker

A powerful Python tool to check domain availability with Namecheap API integration, DNS verification, and WHOIS lookup to find domains actually purchasable on registrars.

Code Demo

~/projects/business-ai-agent

PythonAI/ML+2

→ Business AI Agent

AI-powered customer service and sales agents for Apple device repairs, featuring automated booking, repair tracking, and 24/7 support using Google's Agent Development Kit.

Code Demo

~/projects/esp32-adc-analysis

PythonC+++2

→ ESP32 ADC Analysis

A comprehensive toolkit for testing and analyzing ADC performance of ESP32 microcontrollers with data logging, accuracy analysis, and Excel report generation.

Code Demo

~/projects/hls-stream-proxy

PythonFlask+2

→ HLS Stream Proxy

A secure reverse proxy for HLS streaming that enforces single-stream viewing per IP with session management, URL obfuscation, and developer tools protection.

Code Demo

~/projects/python-learning-projects

PythonData Processing+2

→ Python Learning Projects

A collection of Python projects for learning various programming concepts including automation, data processing, web scraping, and algorithm implementation.

Code Demo

~/projects/c++-learning-projects

C++Data Structures+2

→ C++ Learning Projects

A compilation of C++ projects with CMake support, build scripts, and detailed instructions demonstrating OOP, data structures, and algorithmic problem-solving.

Code Demo

~/projects/personal-portfolio-website

ReactTypeScript+2

→ Personal Portfolio Website

Modern, interactive personal portfolio website built with React and TypeScript, featuring a Linux terminal-inspired UI with custom animations.

Code Demo

~/projects/shamika-chandupa---portfolio

Web DevelopmentPortfolio+2

→ Shamika Chandupa - Portfolio

Professional portfolio website for a Sri Lankan graphic designer and creative director specializing in brand identity, logo design, social media, and print design.

Demo

~/projects/ceylond---digital-agency

Web DevelopmentReact+2

→ Ceylond - Digital Agency

Website for Ceylond, a Sri Lankan digital marketing agency offering SEO, React/Next.js web development, social media marketing, Google Ads, and video production.

Demo

~/projects/nr-engineering-&-construction

Next.jsCloudflare+2

→ NR Engineering & Construction

Full-stack company website and admin dashboard for NR Engineering & Construction (PVT) Ltd - a Sri Lankan steel fabrication and civil construction company with 25+ years of experience and 250+ completed projects.

Demo

My Process

How I approach project development from concept to deployment.

Research & Planning

Deep understanding of requirements and careful planning of architecture and features.

Design & Prototype

Creating intuitive interfaces and interactive prototypes to validate concepts.

Development

Clean, maintainable code with rigorous testing and performance optimization.

Deployment & Support

Efficient deployment pipelines and ongoing support with iterative improvements.

Want to work together?

I'm always open to discussing new projects, creative ideas, or opportunities to be part of your vision.

Let's Create Something Amazing

Terminal

Based in Sri Lanka