Hire the Best Microcontroller Designers
in Bangladesh

✋ 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’m a passionate PCB & Graphic Designer with 3+ years of experience, helping 100+ clients worldwide. I combine technical precision and creative design to deliver high-quality solutions—on time and tailored to your needs. 🛠 PCB Design Services: • Schematic Capture & Circuit Design • Professional PCB Layout (Single & Multi-Layer) • 3D PCB Modeling • Gerber File Generation • Tools :- KiCad, Altium, EasyEda etc. 🎨 Graphic Design Services: • Logo Design & Branding • Business Cards & Stationery • Banners & Print Materials • Social Media Graphics • Packaging, Labels, and Advertising and So on. • Tools :- Adobe Creative Suite (Photoshop, Illustrator), Canva Whether you’re a startup looking to define your visual identity or an innovator developing the next electronics solution, I’m committed to delivering high-quality, detail-oriented work—on time and tailored to your vision. 📩 Let’s connect to discuss how I can help bring your ideas to life with creativity, precision, and dedication!

Goal-driven hard worker, responsible and 3 years+ experience in PCB design, analog and mixed signal design, High-speed design. Skilled in the Internet of Things (IoT), hardware concept prototyping, embedded systems, and robotics.

Over 4700 hour worked in Upwork TOP rated 14 Years Practical Experienced on - **Research and Development *Micro Controller Hardware & Software *Android App Developer *Embedded Systems Design and Solution *PCB Design/Pcb - Eagle Cad PCB Design ,eagle ,Designspark ,1-6 Layer PCB *Atmel,Arduino,Attiny ,PIC 16F,PIC 18F,ARM (STM 32F),M0-M4 *Electronics Design,Circuit Design,Schematic Design , *Power Electronics *Wireless Technology *IOT *ESP32,ESP8266 **Raspberry PI *Bluetooth ,GSM,WIFI,IR Remote,Transformer Design *Bio Medical Technology (X - Ray Viewer ,Photo Therapy,Pressure ,Heart Rate & SPO2 Measurement ) *RFID ,Buck &Boost ,Touch Display,Low Cost Technology,GPS System *Dot Matrix ,RGB,LED Dimmer , Fingure Print ,Temparature & Humidity *3 Phase Fault & Auto changer ,Motor (DC,Servo,Stepper ,BLDC ) Driver *Solar Battery Storage ,ZigBee Communication ,RF Technology,DC to DC Converter *MOSFET ,Transistor ,Relay Driver ,Frequency Generator (Varaible) *Lipo Battery Charging ,SLA Battery Charging *WS2812 RGB LED DRIVER AND DESIGN *Power Supply Design *oled display,PWM,LCD Display *Prototype Design ,Assembling ,SMD Technology *AI,Machine learning *EV charger , OCPP protocol ,PLCC *Test & Debug

👋𝐇𝐢 𝐭𝐡𝐞𝐫𝐞! Looking for reliable electronics and hardware solutions? You’re in the right place. I’m a ⚡ Electrical & Electronics Engineer with 4+ years in 𝐑𝐞𝐬𝐞𝐚𝐫𝐜𝐡 𝐚𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 (𝐑&𝐃) at Ongshak and 1 year as a 𝐏𝐫𝐨𝐝𝐮𝐜𝐭 𝐌𝐚𝐧𝐚𝐠𝐞𝐫 at Modern Soft Tech. I specialize in turning innovative ideas 💡 into functional, high-quality hardware solutions 🔧 that deliver real results. 💼 𝗪𝗵𝗮𝘁 𝗜 𝗱𝗼: 🖥 PCB Design & Layout – From schematic to manufacturing-ready designs 🤖 Embedded Systems Development – Arduino, ESP32, Raspberry Pi, and custom microcontrollers 🛠 Prototyping & Product Development – Turning concepts into working prototypes 🌐 IoT & Automation Solutions – Sensors, controllers, and smart systems 📊 Product Management & Consulting – Strategy, planning, and technical guidance throughout your project lifecycle 🚀 I combine technical precision with creative problem-solving to ensure projects are efficient, reliable, and production-ready. Communication is key, so I keep clients updated at every stage to exceed expectations. 🤝 Whether it’s a one-time project or ongoing support, I’m ready to collaborate and bring your ideas to life. 💬 Let’s create something innovative together!

AI Data Annotator | Data Labeling | Computer Vision | Image & Video Annotation Hi, I’m Mohini Sultana, an AI Data Annotation Specialist with 5+ years of experience in data annotation, image labeling, video annotation, data labeling, and machine learning dataset preparation. I help AI/ML teams create accurate, consistent, and production-ready training data. ◆ CORE EXPERTISE • AI Data Annotation & Data Labeling • Image & Video Annotation / Labeling • Bounding Box, Polygon & Keypoint Annotation • Semantic & Instance Segmentation • Object Detection & Classification • Satellite Image Annotation • Computer Vision Training Data • Machine Learning Dataset Preparation • AI Data Processing & Format Conversion ◆ TOOLS & PLATFORMS ✓ CVAT | Roboflow | SuperAnnotate | Labelbox ✓ Supervisely | Dataloop AI | Darwin V7 ✓ LabelMe | LabelImg | Scale Pro | QGIS ◆ EXPERIENCE & SUPPORT ✓ 5+ years of hands-on experience ✓ Led and coordinated 42+ annotators ✓ Large-scale dataset & quality control experience ✓ Accurate, consistent, fast, and deadline-focused ✓ Data Entry | Data Processing | Web Research ✓ Data Scraping | Virtual Assistance I deliver clean, reliable, high-quality datasets that help improve AI, Machine Learning, and Computer Vision models. Your AI model is only as good as the data behind it.