Are you in need of a seasoned professional to bring your hardware and robotics ideas to life? Look no further! With a strong proficiency in PCB design, hardware prototyping, and robotics, I am dedicated to turning your concepts into functional and innovative solutions.
Why Choose Me:
1. PCB Design Mastery: With a keen eye for detail and an in-depth understanding of electronics, I excel in designing intricate and efficient PCB layouts. From single-layer to multi-layer boards, I can create designs that optimize space, minimize interference, and ensure reliable performance.
2. Versatile Microcontroller Expertise: I specialize in working with an array of microcontrollers, including ESP32, Arduino, ESP8266, ATmega series, and more. This expertise enables me to select the most suitable microcontroller for your project's requirements and implement seamless communication between various components.
3. Robotics Wizardry: Robotics is my passion, and I have a track record of developing robotics systems that encompass mechanical precision and intelligent control. Whether you're aiming for autonomous drones, robotic arms, or mobile robots, I can design, prototype, and program them to meet your objectives.
4. Customized Solutions: Every project is unique, and I take pride in crafting tailor-made solutions that cater to your specific needs. I understand the importance of flexibility in design, and I am skilled at adapting my knowledge to suit your project's goals.
5. End-to-End Support: From the initial concept to the final prototype, I offer comprehensive support at every stage of development. I'm not just here to design; I'm here to collaborate, brainstorm, and ensure that the end result aligns perfectly with your vision.
6. Quality and Timeliness: My commitment to quality is unwavering, and I strive to deliver results that exceed expectations. I understand the importance of deadlines, and I am dedicated to completing projects on time without compromising on quality.
7. Collaborative Approach: I believe in open communication and collaboration. Your inputs are invaluable, and I welcome your ideas and feedback throughout the project's lifecycle.
8. Continuous Learning: The world of technology is constantly evolving, and I make it a point to stay updated with the latest trends and advancements. This allows me to integrate cutting-edge features into your projects.
Embark on a journey of innovation and excellence with a hardware prototyping and robotics expert who is passionate about turning ideas into reality. Contact me today to discuss your project requirements, and let's bring your vision to life in the most efficient and creative way possible.
🎯 With 8+ years of experience in developing IoT and embedded systems using ESP32, ESP8266, Raspberry Pi (2/3/4/5/Pico/Pico W), Arduino, STM32, etc. | HTTP, MQTT, CoAP | AWS IoT Core, Thingsboard, Node-Red, Home Assistant, Tasmota, Blynk, etc., along with custom dashboard integration with firmware. Python, uPython, C/C++, & javascript, I help clients build smart, connected, and scalable solutions. Project and Product development tailored to their real-world needs.
🚀 Bringing Smart Ideas to Life – Reliable, Scalable, and Cost-Effective IoT Solutions
Are you seeking a skilled engineer to bring your IoT idea to life as a functional, connected product?
I’m a results-driven IoT & Embedded Systems Engineer with a strong foundation in microcontroller & micro-processor programming, Bearmetal driver development, sensor integration, wireless communication, and cloud connectivity. I specialize in building high-performance IoT systems with smooth communication protocols and long-term reliability.
✅ What I Can Do For You:
🔌 Custom IoT/ Firmware development using Arduino, ESP32, Raspberry Pi, and STM32
🛠️ Custom Product Development: I have the whole solution from scratch to product deployment.
📡 Wireless protocols: MQTT, HTTP/HTTPS, WebSocket, BLE, Esp-Now, LoRa, Zigbee, etc.
⚙️ Device protocols: UART, SPI, I2C, I2S, Modbus, CANbus, Baremetal driver development, etc.
🌐 Dashboard Integration: ThingsBoard, Blynk, Firebase, Node-RED, Home Assistant, Tasmota, ESP Rainmaker, etc.
🔧 Embedded Sensor/Actuator interfacing for automation & control
🔁 OTA firmware updates, watchdog timers, and power-saving modes
🧰 Troubleshooting, optimization, and clean modular/OOP-based C/C++, Python firmware.
🛠️ Tools, Technologies & Expertise
📟 Microcontrollers & Boards
ESP32, ESP8266 (NodeMCU, WROOM, WROVER)
Arduino (Nano, Uno, Mega, Pro Mini, MKR1000)
Raspberry Pi (2, 3, 4, 5, Pico, Pico W, Compute Modules)
STM32 (Bluepill, STM32F103, STM32CubeMX/HAL)
BeagleBone Black, Orange Pi, Banana Pi
ATmega328P, ATTiny85, NRF52, RP2040, CH32V, PIC
💻 Programming Languages
C, C++, Embedded C (bare-metal, HAL/LL)
MicroPython, Python (asyncio, machine)
JavaScript (Node.js for IoT, WebSocket)
Shell scripting (Bash) for Linux automation
JSON, YAML, INI (config formats for IoT)
📡 Communication Protocols
# MQTT (public & secured brokers)
# HTTP, HTTPS, WebSocket, CoAP
# ESP-NOW, BLE, LoRa (RA-02, RYLR), Zigbee (CC2530, ZBBridge)
# GSM/GPRS, SIM800L, NB-IoT (BG95, SIM7020), Wi-Fi
# RS-232, RS-485, CANbus, Modbus RTU/TCP
🔌 Device/Peripheral Protocols
# UART, SPI, I2C, I2S, OneWire, PWM, ADC, DAC
# SD Card (FATFS), EEPROM/Flash handling
# GPIO interrupt handling, timer/counter config
# Bare-metal driver development and peripheral abstraction
🧰 Development Tools & IDEs
# Arduino IDE, PlatformIO, STM32CubeIDE, ESP-IDF, VS Code, Thonny, Geany, etc.
# Linux (Ubuntu/Raspberry Pi OS/Debian) CLI Tools
# Git, GitHub/GitLab, Version Control for Embedded
# Serial Monitors (PuTTY, TeraTerm, minicom), Logic Analyzers (Sigrok)
☁️ Cloud Platforms & Integrations
# AWS IoT Core (MQTT, Shadow, Rules Engine)
# ThingsBoard (CE/PE), Blynk (legacy and new), Firebase Realtime/Firestore
# Node-RED (on-prem or cloud), Home Assistant (ESPHome, MQTT)
# Tasmota customization (Rules, MQTT, Templates)
# ESP RainMaker, Google Firebase, Azure IoT Hub
📊 Dashboards & Custom UIs
# Web dashboards with HTML/CSS/JS
# REST API consumption and creation.
# Local dashboards using Node-RED, Grafana, InfluxDB, etc.
🔐 Security & Optimization
#TLS/SSL for MQTT & HTTP
# Data encryption (AES, base64, JWTs)
# Memory and power optimization for low-power devices (deep sleep, watchdogs)
# Fail-safe firmware design with bootloader, rollback
📦 Product Development & Hardware Integration
# PCB interfacing and prototyping (breadboard to custom PCB)
# Sensor calibration (temperature, humidity, motion, distance, gas, etc.)
# Relay, triac, motor, servo, LED matrix, and display (OLED, LCD I2C, TFT)
# Custom device firmware from scratch to OTA-ready product
🌟 Why Choose Me:
🧠 Expertise You Can Trust – Solid engineering principles and deep technical know-how
📈 Results-Driven Development – Focused on delivering working, scalable solutions
⏱️ Timely Delivery – Respect for your deadlines and project milestones
📣 Clear & Professional Communication – Regular updates, detailed reports, and zero guesswork
🔁 Post-Delivery Support – Guidance, maintenance, and iteration support available
💯 Client Satisfaction is My Top Priority
💼 Availability:
📅 Available for full-time, part-time, and long-term projects
🌍 Comfortable with clients worldwide and flexible with time zones
🤝 Long-term support, NDA-friendly, and confidential work welcomed
🚀 Let’s build something smart together – Message me today!
SHAMIM HASAN
Embedded Software Engineer
✋ Hi! I’m Sukanta Mazumder — a Professional PCB Designer and Embedded Systems Expert with 5+ years of hands-on experience delivering reliable, high-quality hardware solutions.
I specialize in designing and implementing:
☑️ Custom Circuits & Multilayer PCBs for Commercial and Industrial Applications
☑️ Microcontroller-Based Systems
☑️ IoT Automation Solutions
☑️ Robotics Projects
⚡ I hold a degree in Electrical & Electronic Engineering (EEE)
⚡ Experienced in handling complex, long-term projects with global clients
💼 What I Can Do for You:
✔ Schematic Design & Circuit Development
✔ PCB Design (1/2/4/6/8 Layers)
✔ Gerber File Generation for Manufacturing
✔ BOM Validation & Component Sourcing
✔ 3D PCB Design (.STEP / .OBJ)
✔ PCB Reverse Engineering
✔ Custom Symbols & Footprints from Datasheets
✔ Microcontroller-Based Hardware Design
✔ Firmware Development for Embedded Systems
🔧 Technologies & Platforms I Work With:
Arduino | ATMEGA | STM32 | Nordic Semiconductor | ESP8266 | ESP32
🚀 Selected Projects:
✔ Smart Power Meter
✔ Smart Wheelchair
✔ IoT-Based Home Automation
✔ PID Line Follower Robot
✔ Assistive Object Detection System
✔ Smart Timer & Smart Multimeter (OLED Display)
✔ Automatic Seed Sowing Robot
✔ IoT-Based Power & Water Monitoring System
🏭 Industrial Experience:
✔ Industrial 3D Printer Systems
✔ SSR Controller Design
✔ STM32-Based Stepper Motor Controller
✔ 3-Phase AC to DC Conversion Systems
✔ Power Distribution PCB for 3D Printers
📄 Additional Services:
✔ Professional Engineering Reports (LaTeX / MS Word)
⭐ Why Work With Me?
☑️ High-Quality Work with On-Time Delivery
☑️ Cost-Effective Solutions
☑️ Assistance with PCB Fabrication
☑️ 100% Client Satisfaction Guarantee
☑️ Free Post-Project Support (24/7)
💡 Have an idea or project in mind?
Let’s bring it to life — send me a message and let’s get started!
"I’ve worked with dozens and dozens of people in my career, and I can honestly say that Mizanur is in the top 1%. Three things about Mizanur that stand out: a.) his professionalism, b.) his creativity, and c.) his good spirit." - by a happy client.
"Roomi has been an amazing partner for our company for several years now. He has designed multiple iterations and revisions of our IoT sensor board including versions for different microcontroller platforms, sensor interfaces, and communication layers. " - by another happy client.
And these satisfactions are growing from different parts of the world!
If you are looking for -
✅ A reliable PCB and hardware design partner for your company
✅ Turning your concept into a production-ready design
✅ Circuit and PCB design services with the highest level of accuracy
✅ Reverse engineering a product and design customization
✅ BOM (Bill of Material) cost optimization of your design
✅ Consultation services for your project
✅ Technical support during production and prototype testing
✅ Doing complete design review before production
Well, you just came to the right place!
You will get the above services from a professional Electronics Engineer with over 15 years of hardware design experience in all projects, from hobbyist to enterprise, even to aerospace. You can find my design onboard the International Space Station (ISS)!
The reviews I received from all my happy clients and my job success rating prove that I have a strong work ethic and high output quality.
The services you will get from me -
PCB DESIGN
--------------------------------------------
Single/Dual/Multilayer PCB design, Component library creation, etc. using:-
- Altium Designer / Altium 365
- Autodesk Fusion 360 / Eagle
- KiCad
- DipTrace
- NI Multisim & Ultiboard
CIRCUIT DESIGN
---------------------------------------------
Analog, Digital, Power, RF, and Mixed-Signal circuit design using:-
- Microcontroller (STM, LPC, Other ARM, PIC, AVR and TI MSP series)
- Arduino
- Nvidia Jetson
- Raspberry Pi
- BeagleBone
- Other SBCs and SOMs
PCB AND PCB ASSEMBLY SERVICES
----------------------------------------------
- PCB Fabrication
- BOM Sourcing (Digi-Key, Mouser, Farnell, Element14, and Chinese local market)
- PCB Assembly
- Test Fixture design
- Enclosure Manufacturing Etc.
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