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Hi there, I'm Sirat! πŸ‘‹

Embedded Systems & IoT | Full-Stack | Physics Student

I'm a passionate researcher and developer specializing in embedded systems, IoT development, and full-stack engineering. Currently pursuing a Bachelor's in Physics while building innovative hardware-software solutions and contributing to open-source projects.

πŸš€ About Me

  • πŸ”¬ Currently: Research Assistant at SUST EEE Department (Jun 2025 - Present)
  • πŸ”­ Previously worked at: Hackules Inc. as Software Engineer (Feb 2024 - Jun 2025)
  • 🌱 Learning: RISC-V architecture, embedded Linux, smart grid protocols
  • 🎯 Focus: STM32 microcontrollers, Zephyr RTOS, IoT protocols, power electronics
  • πŸ† Achievement: Upstream contributor to Linux Foundation Zephyr RTOS project
  • πŸ“ Location: Sylhet, Bangladesh
  • πŸ’Ό Open to: Research collaborations, embedded systems projects, and graduate opportunities

πŸ› οΈ Tech Stack

Languages & Frameworks

C C++ C# Rust TypeScript JavaScript Python SvelteKit Next.js Flutter

Embedded Systems & IoT

STM32 ESP32 Zephyr RTOS FreeRTOS RISC-V MQTT

Tools & Technologies

Linux Docker Git .NET Google Cloud MongoDB KiCad

πŸ”¬ Research & Open Source Contributions

πŸ“‹ Current Research Projects

Radar-based Occupancy Detection and Automated Relay System

Ongoing Research - Government Office Buildings Energy Management (2025)

  • Developing intelligent occupancy detection system using RD-03D mmWave radar sensor for automated lighting and HVAC control
  • Implementing ESP32-based relay control with Google Sheets data logging for energy consumption analysis
  • Research focuses on reducing energy waste in government buildings through presence-based automation
  • Technologies: ESP32, RD-03D radar sensor, relay modules, Google Sheets API, ESP-IDF

RFID-based Attendance Management System for Rural Educational Institutions

Ongoing Research - Educational Technology for Remote Communities in Bangladesh (2025)

  • Developing low-cost RFID attendance system specifically designed for remote schools, villages, and universities in Bangladesh
  • Creating offline-capable solution with synchronization features for areas with limited internet connectivity
  • Research addresses educational infrastructure challenges in rural Bangladesh through accessible technology
  • Technologies: RFID modules, ESP32, offline data storage, web-based dashboard, database synchronization

πŸ’Ό Professional Experience

Research Assistant @ SUST EEE Department (Mar 2025 – Present)

  • 🎯 Smart Relay Control Systems: Developing IoT-enabled power management systems for government cost optimization using STM32 and ESP32 microcontrollers
  • 🎯 RFID Attendance System: Developing low-cost attendance management for rural educational institutions in Bangladesh with offline capabilities
  • 🎯 Collaboration: Working directly with EE faculty on multiple IoT in education projects
  • Technologies: STM32, ESP32, embedded C, MQTT, power electronics, RD-03D radar, RFID modules, smart relays

Software Engineer @ Hackules Inc. (Jun 2024 - Jun 2025)

  • 🎯 Educational Platforms: Led full-stack development for Teachers Today (Next.js + Express.js) serving 1000+ users
  • 🎯 Performance Optimization: Developed Opedemy learning platform with 200+ API integrations, achieving 50% faster load times through SSR optimization
  • 🎯 AI-Powered Tools: Built marketing analytics tool with Facebook Graph API integration
  • 🎯 Mobile Development: Created Flutter CRM application for 1000+ active users
  • 🎯 Technical Leadership: Conducted technical interviews for engineering positions

IT Secretary @ Copernicus Astronomical Memorial of SUST (Nov 2024 - Present)

  • 🎯 Website Development: Built new official website from ground up using NextJS + TypeScript, achieving 80% faster load times
  • 🎯 Event Coordination: IT coordinator and Scientific Organizing Committee member for CAM-SUST Summer School on Astronomy 2025
  • 🎯 Educational Content: Developed Python programming tutorials for 200+ students
  • 🎯 Technical Management: Organized in-person recruitment events and coordinated technical workshops

🌟 Featured Projects

Embedded Systems & IoT Projects

ESP32-S3 Weather Station | C++, ESP32-S3, MQTT

  • Comprehensive weather monitoring system with multi-sensor environmental data collection
  • Features OLED display, MQTT connectivity for real-time data streaming to Raspberry Pi 5
  • Measures temperature, humidity, pressure, light intensity, and magnetic field with compass heading
  • Hardware: BME280, BH1750, QMC5883L, SSD1306 OLED, WiFi connectivity
  • Portable biometric attendance tracking with AS608 fingerprint recognition
  • Offline storage with SPIFFS, Google Sheets integration for data synchronization
  • BLE control interface and NeoPixel LED feedback for secure attendance management
  • Hardware: AS608 Fingerprint sensor, NeoPixel LEDs, WiFi/BLE connectivity

STM32 BME280 HAL Driver | C, STM32, HAL

  • Custom HAL driver implementation for Bosch BME280 environmental sensor
  • Optimized I2C communication with temperature, humidity, and pressure readings
  • Portable sensor library enabling rapid prototyping for environmental monitoring
  • Hardware: STM32F446, BME280 sensor, I2C interface

ESP-IDF RD-03D Component | C, ESP-IDF, UART

  • ESP-IDF component for AI-Thinker RD-03D mmWave radar sensor published on official registry
  • Comprehensive API for target detection and tracking with intelligent retention filtering
  • Real-time coordinate tracking and position description capabilities
  • Hardware: AI-Thinker RD-03D radar, UART communication, ESP32 platform

Web Development & Educational Projects

CAM-SUST Official Website | NextJS, TypeScript

  • Built full-stack astronomy organization website from ground up replacing WordPress
  • Implemented SSR/static rendering achieving 80% faster load times
  • Space-themed responsive design attracting increased user engagement

Opedemy Learning Platform | SvelteKit, TypeScript

  • Led frontend development for educational platform with 200+ API integrations
  • Optimized performance achieving 50% load time reduction through SSR implementation
  • Responsive UI with Tailwind CSS ensuring seamless cross-device experience

Teachers Today Platform | Next.js, Express.js, MongoDB

  • Full-stack teacher recruitment platform with advanced filtering and matching algorithms
  • Integrated SMS and Email APIs for notifications and role-based dashboards
  • MongoDB integration for comprehensive CRUD operations

πŸ“š Publications & Documentation

Research Publications

"Air Evacuation Time for Holes of Variable Diameters in a Space Station" (Nov 2024)
ResearchGate Publication – University Physics Competition 2024

  • Co-authors: Siratul Islam, Ibrahim Hossain, Rimon Acharjee Sumon
  • Mathematical modeling using Poiseuille's law and Ideal Gas Law for space station air leak analysis
  • Recognition: Bronze Medal for mathematical solution and presentation quality

Technical Documentation

Official Zephyr RTOS Documentation - Board Support & Toolchain Integration (2025)

  • WeAct STM32F446 Board Documentation
  • Comprehensive hardware specifications, programming instructions, and sample applications
  • Serving 1000+ embedded systems developers globally

ESP-IDF Component Documentation - RD-03D Radar Sensor Integration (2025)

  • Complete API documentation and usage examples for radar sensor integration
  • Code examples, parameter explanations, and integration tutorials

πŸ† Achievements & Recognition

  • πŸ₯‰ Bronze Medal - International University Physics Competition 2024 (Team 750, Problem A)
  • 🌟 Linux Foundation Contributor - Zephyr RTOS contributor badge
  • πŸ”§ Open Source Impact - Components and contributions serving 1000+ developers globally
  • πŸŽ“ Harvard CS50x - Computer Science Fundamentals Certification
  • πŸ… Multiple HackerRank Certifications - React, Angular, C#, JavaScript, Java, Python
  • πŸ₯‡ Champion - Inter Cantonment IT Festival 2021 (Social Media & E-commerce Platform)
  • πŸ₯‡ Champion - Nirjhor Cantonment Science Fest 2021
  • πŸ₯‰ Third Place - Notre Dame Science Festival 2021 (Senior, Project Exhibition)

πŸ“Š GitHub Stats

GitHub Streak
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πŸŽ“ Education & Future Goals

Bachelor of Science (Hons.) in Physics | Aug 2023 - Aug 2027
Shahjalal University of Science and Technology, Sylhet, Bangladesh

  • Relevant Coursework: Digital Electronics, Computational Physics, Mathematical Methods in Physics
  • Research Focus: Applied physics with emphasis on embedded systems and IoT applications

Future Academic Plans:

  • Pursuing Master's/PhD in Embedded Systems Engineering or Computer Engineering
  • Research interests: RISC-V architecture, RTOS kernel development, embedded Linux, IoT communication protocols
  • Career focus: Automotive embedded systems, medical devices, aerospace applications, smart grid infrastructure

🀝 Let's Connect!

I'm always open to research collaborations, embedded systems projects, open-source contributions, and graduate research opportunities!

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