About Author

Mithun K. Das

Mithun K. Das

Hi, I’m Mithun K. Das — a dedicated embedded systems engineer and passionate technologist with over two decades of experience. Since 2000, I have been designing and developing smart electronic solutions, blending innovation with practical engineering. Electronics is not just my career; it’s the heartbeat of my journey.

My Professional Journey

I started tinkering with electronics over two decades ago, fueled by endless curiosity. Since then, I have designed and developed thousands of embedded systems and products.

Today, I work as a Senior Embedded Systems Engineer and Country Lead Engineer at Tespack Ltd., a pioneering Finnish company specializing in Smart Energy Solutions. My work spans research and development of smart electronics, hardware and firmware design, and IoT system integration.

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Skills and Expertise

Key Skills:

  • Embedded Hardware & Firmware Development (STM32, PIC, dsPIC, Arduino)
  • PCB Design, Prototyping, and Testing
  • Real-Time Operating Systems (RTOS), USB Communication, IoT Integration (WiFi, GSM, 2G/3G/4G)
  • Power Electronics Design (SMPS, UPS, DC/DC Converters, Solar Applications)
  • Battery Management Systems (BMS) for advanced energy storage solutions
  • Basic Web Development (basic)

Work Experience

  • Tespack Ltd., Finland — Senior Embedded Systems Engineer (Feb 2022 — Present)
    Leading R&D of advanced smart energy systems and IoT-enabled electronic solutions.
  • Lab Projects BD — Author & Content Creator (2020 — Present)
  • M’s Lab Engineering Solution — Chief Embedded System Designer & Owner (2012 — 2022)
  • Consultancy Roles: EasySense (2015), Crown Cement Factory (2013-2020), Rahimafrooz (2009-2011)

Projects and Contributions

At Tespack, I lead the design and development of highly advanced embedded systems for smart energy solutions. My role involves full-cycle development — from hardware and firmware architecture to IoT integration and system optimization. While specific project details are confidential, my work has contributed to cutting-edge products that combine sustainable energy, IoT communication, and intelligent power management, supporting mission-critical operations around the world.

Selected Projects and Contributions

  • Industrial Solar MPPT Charge Controller — Designed a high-efficiency MPPT system for solar energy harvesting.
  • Advanced Battery Management Systems (BMS) — Developed modular BMS for large-capacity lithium-ion and lead-acid battery packs.
  • Pure Sine Wave Inverter Systems — Built reliable inverters for sensitive industrial and consumer equipment.
  • IoT-Based Smart Load Management Systems — Enabled remote monitoring and control using GSM and WiFi technologies.
  • Industrial Automation for Cement Production Lines — Delivered embedded systems for process monitoring and optimization.
  • Easy Wash – IoT Smart Handwashing Device — Developed a UNICEF-deployed IoT solution for smart hygiene management.
  • Custom DC/DC Converters and SMPS Units — Designed and prototyped a range of high-power DC converters and power supplies.

Beyond these, I have successfully designed and developed dozens of embedded products across diverse sectors, including energy, industrial automation, IoT, Trainer kits and many consumer electronics.

Why I Started Lab Projects BD

Lab Projects BD was born from my passion for electronics, innovation, and education. Through this platform, I aim to share tutorials, project ideas, and real-world insights to inspire engineers, hobbyists, and makers around the world. I look forward to inspiring and being inspired by brilliant minds like yours.

Find Me

Feel free to connect or reach out to say hi!

Thank you for visiting my blog and being a part of my journey!