Hire the Best Arduino Experts in Kolkata, IN

I am an embedded software developer and hardware designer with 6+ years of professional experience to lead your project to the best level. I provide optimal solutions for both hardware and firmware development, also provide prototypes and the small-scale production of designed hardware. I have expertise in the development of - ► Arduino-based hardware design and firmware development. ► ESP32 and 8266 based hardware & firmware design. ► Esp32 based BLE network, mesh network, ESP NOW mesh development, ► NRF51 based BLE development, ► LORA and LORAWAN based firmware, hardware development and prototype design, ► Chirpstack.TTN server deployment on the local, remote server as well as AWS server. ► AWS +NODE-RED+MQTT+GRAFANA+INFLUX DB-based virtual server deployment and custom UI design. ► The THINGS BOARD deployment on local/remote /AWS server with SSH. ► STM32 - ARM-based firmware development & hardware design and prototype manufacturing. ► Raspberry Pi based custom MQTT web server with custom UI design ► Complete Prototype development with small-scale production capabilities. My hardware design includes a Printed circuit board design with customized requirements. I provide complete PCB layout design, prototype PCB board manufacturing, testing of PCB board with advanced tools, and on-demand I provide small-scale production of the hardware /PCB. Price will be negotiable on hardware design and development. My PCB design features include - ► Multilayer PCB design. ► Both rigid and rigid-flex design. ► Provide BOM with the most available component list. ► Provide Gerber and ECAD files for manufacturing. ► Support prototype and small-scale production (PCB). My last project is " LORAWAN BASED ENERGY METER EXTENSION", where I have to measure the Phase voltage, Line voltage, phase current, Line current, Total energy, power factor and send them to the TTN server using LORAWAN based prototype node device and Dragino gateway. The device was successfully worked and installed in the industry environment. You can see details of its working in my portfolio. My goal is to provide the best quality services at an affordable price within a reasonable timeframe. Please visit my website for more details - www. bit-plexlab.com

🌟 𝟴+ 𝘆𝗲𝗮𝗿𝘀 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲𝗱 𝗘𝗺𝗯𝗲𝗱𝗱𝗲𝗱 𝗦𝘆𝘀𝘁𝗲𝗺𝘀, 𝗜𝗻𝘁𝗲𝗿𝗻𝗲𝘁 𝗼𝗳 𝗧𝗵𝗶𝗻𝗴𝘀, 𝗘𝗹𝗲𝗰𝘁𝗿𝗶𝗰𝗮𝗹 𝗮𝗻𝗱 𝗘𝗹𝗲𝗰𝘁𝗿𝗼𝗻𝗶𝗰𝘀 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿. 🛠️ Are you seeking a reliable and skilled electronic engineer or electrical engineer for embedded systems and Internet of things development, to bring your projects to life? Look no further! I have a seasoned team of electronics engineers specializing in custom solutions using Arduino, ESP32, STM32, and more. With extensive experience in PCB design and firmware development, we can turn your ideas into functional and cost-effective reality. Our Expertise: 🔹 Microcontrollers: Proficient in Arduino (UNO, MEGA, NANO), ESP32, STM32, and other popular platforms. 🌐 IoT Development: Experienced in IoT architecture, sensor integration, and wireless communication protocols (MQTT, HTTPS, HTTP). 🔧 PCB Design: Skilled in PCB layout and schematic design using EasyEDA and KiCad. 💻 Firmware Development: Expertise in programming microcontrollers, implementing protocols (UART, SPI, I2C), developing custom touch screen Ui applications based on LVGL (Squareline Studio) and optimizing code for efficiency. 🌡️ Sensor Integration: Extensive knowledge of various sensors including temperature/humidity, RFID, ultrasonic, gyro, gas sensors, and more. 📡 Communication Protocols: Proficient in UART, SPI, I2C, RS485 (Modbus), Ethernet, TCP-IP, and wireless protocols like BLE, LoRa, and ZigBee. 🌐 IoT Web Services: Capable of integrating with cloud platforms such as Firebase, ThingSpeak, Blynk, and AWS for data logging and remote monitoring. 📱 Mobile & Web App Development: Skilled in Flutter for cross-platform mobile app development and Node.js/Laravel for custom web services. Recent Projects: 🌍 Developed a 4G-based IoT data logger for environmental monitoring (temperature, humidity, CO2). 🏭 Implemented PLC monitoring solutions using RS485 Modbus for industrial automation. 🔵 Created BLE gateways for beacon-based proximity detection systems. 🏗️ Designed real-time structural health monitoring systems using industrial accelerometers and seismic sensors. 🌡️ Deployed high-temperature monitoring systems with 4G/WiFi connectivity. 🔥 Engineered conventional fire alarm systems with 4G/WiFi connectivity and remote alerting capabilities. Why Choose Us? ✅ We are committed to delivering high-quality, scalable, and affordable solutions tailored to your specific needs. Whether you're an individual entrepreneur or a large enterprise, we can collaborate seamlessly to realize your project goals. Let's discuss your requirements and take your project to the next level! Interested in Leveraging Our Expertise? If you're ready to benefit from our electronics engineering, electrical engineering, embedded systems development, and Internet of things solutions, feel free to reach out. We're excited to partner with you on your next venture!

✅ Solution Architect | FullStack | DevOps | Cloud | AI/ML | IoT | Mobile Apps Hi 👋 I’m Niladri, a Solution Architect & FullStack Developer with 14+ years of experience helping startups and enterprises design, build, and scale cloud-native, AI-powered, and future-ready solutions. I don’t just write code or set up infrastructure—I help businesses turn ideas into reliable, secure, and scalable products. Clients hire me when they want someone who can strategize like an architect, build like a fullstack engineer, and automate like a DevOps expert. 📊 Skill Ratings DevOps & Cloud Architecture – ▓▓▓▓▓▓▓▓▓▒ (9.5/10) Backend Development – ▓▓▓▓▓▓▓▓▓░ (9/10) Frontend Development – ▓▓▓▓▓▓▓░░░ (7/10) Mobile App Development – ▓▓▓▓▓▓▓░░░ (7/10) IoT & Embedded Electronics – ▓▓▓▓▓▓▓▓░░ (8/10) 🚀 What I Can Help You With ☁️ Cloud & DevOps AWS (EC2, S3, RDS, Lambda, ECS, EKS, Fargate, IoT, DynamoDB, CloudFront, Route 53, Amplify, Serverless) Google Cloud (GKE, Firebase, BigQuery, Cloud SQL, Cloud Run, AI/ML APIs) Azure | DigitalOcean | Heroku | On-Prem → Cloud Migration Docker | Kubernetes | Terraform | CI/CD pipelines (GitLab, Jenkins, Bitbucket) High Availability, Scalability, and cost-optimized architecture 🤖 Artificial Intelligence & Machine Learning AI/ML API Integration (OpenAI, AWS AI, Google AI) Chatbots, Recommendation Engines, Predictive Analytics Data pipelines & ETL with BigQuery, DynamoDB, MongoDB AI-driven workflow automation to save time & cost 📱 Cross-Platform Mobile App Development React Native | Flutter | Progressive Web Apps Real-time apps (chat, notifications, payments, GPS tracking) API + Backend + Cloud integration for mobile-first solutions 🔗 API Development & Integration Amazon (MWS, SP, Ads), QuickBooks (Online & Desktop), Xero, FreshBooks, HubSpot, Salesforce, Zoho, Zendesk, Stripe, Twilio, Slack, Asana REST, GraphQL, Webhooks, Event-driven Microservices 💻 FullStack Development Backend: Node.js, Express, NestJS, TypeScript, Spring Boot, Django, Flask, Laravel, FastAPI Frontend: React.js, Vue.js, Angular, Bootstrap, jQuery Databases: MySQL, PostgreSQL, MongoDB, Redis, DynamoDB, MariaDB, MS SQL 🌐 IoT & Digital Electronics Embedded Linux | Buildroot | Arduino | ESP | Raspberry Pi | RTOS | FPGA | Petalinux | RFSOC (ZCU111, XRF8) | Sensor Integration (i2c, SPI, UART, TCP) | MQTT Firmware → Cloud → Dashboard (end-to-end IoT platforms) 🌟 Why Clients Hire Me ✔️ 14+ years of expertise across software, cloud, and embedded systems ✔️ Unique blend of architecture + development + DevOps skills ✔️ Strong believer in clean code, test-driven development, automation, and best practices ✔️ Experience working with global startups and enterprises in SaaS, fintech, e-commerce, IoT, and AI domains ✔️ I don’t just deliver code—I deliver long-term maintainable, scalable systems 🌟 Client Testimonials ⭐️⭐️⭐️⭐️⭐️ Douglas Stirling "Nil and I have worked together on a significant software project, with Nil heading up the development of a full backend solution including RESTful API and AWS cloud setup. Nil is extremely knowledgeable, takes time to understand your needs, and delivers creative, high-quality solutions. He communicates effectively with teams or takes the lead when needed. I'd highly recommend working with Nil — and will continue to do so." ⭐️⭐️⭐️⭐️⭐️ Sat Sindhar "Nil is an excellent developer to work with — quick to grasp requirements, easy to communicate with, and always delivers well-tested, first-class work. Highly recommended." ⭐️⭐️⭐️⭐️⭐️ Vishal Agarwal "Niladri is a highly experienced full-stack programmer with thorough knowledge across technologies. Fuzonmedia has been providing website & application development and maintenance for my company for the last year, and I am extremely satisfied with their services." ⭐️⭐️⭐️⭐️⭐️ Muzaffer Selimbeyoglu "Niladri is the best at what he does. Very easy to communicate with, delivers flawless work, and even provides great support after the job is done." 📌 Certifications & Background Degree in Computer Science CCNA | RHCE Diploma in Computer Hardware & Electronics Hands-on GitHub Portfolio: github.com/fuzonmedia

⭐️⭐️⭐️⭐️Building digital products that scale with your business.⭐️⭐️⭐️⭐️ ⭐️⭐️12+ Years of Excellence | 5000+ Projects Delivered Worldwide⭐️⭐️ 💯 Fast Response Time – Get Replies Within 30 Minutes 💯 ⌚ Delivering On-Time, On-Budget, and Future-Ready Solutions ⌚ Hi, I’m Sumanta, a senior full-stack and mobile app developer with 12+ years of experience delivering high-quality, scalable, and user-friendly applications for startups, enterprises, and growing businesses worldwide. My focus is simple: turning your vision into a robust product that performs flawlessly across devices. From idea validation to launch and ongoing support, I ensure a smooth development journey backed by transparent communication and on-time delivery. What I Offer:- ----------------- Mobile Application Development (Native & Hybrid): * Native iOS (Swift, Objective-C) & Android (Kotlin, Java) * Hybrid apps with Flutter & React Native * Performance-driven, scalable apps with smooth UI/UX * Integration with APIs, third-party services & cloud backends Web Application Development: * Full-stack solutions using MERN / MEAN stack * Python (Django/Flask) & Laravel for scalable backend systems * Secure RESTful & GraphQL API development * WordPress or other headless CMS for Content Management * Responsive, modern, and optimized web applications ✅ Why Clients Hire Me: * Proven track record of delivering production-ready apps used by thousands of users * Clear, proactive communication—no guesswork or delays * Attention to detail: I treat every project as if it’s my own product * Post-launch support to ensure long-term success If you’re looking for a dependable partner who can architect, build, and scale your mobile or web application, let’s connect. I’d love to discuss your project and show you how I can add value.

Hi, I help startups and growing companies turn product ideas into scalable web and mobile applications that generate real business results — not just code. With 11+ years of experience and 3500+ successful projects delivered globally, I specialize in building production-ready platforms that are stable, secure, and designed to scale. I work with funded startups, service businesses, and established companies that need reliable execution and long-term technical partnership. I’m backed by a full-service development team at Weavers Web Solutions, allowing me to handle everything from strategy and UI/UX to backend architecture, deployment, and post-launch support. That means you don’t just get a freelancer — you get structured delivery and accountability. What sets my work apart: ====================== • Clean, conversion-focused UI • Scalable backend architecture • Fast iteration for MVPs • Reliable communication and structured milestones • On-time delivery without overpromising I build: ====== Web Applications & SaaS Platforms Custom React / Next.js applications with Node, Laravel, or Python backends — optimized for performance, SEO, and scalability. eCommerce & Revenue Platforms ============================ Shopify, WooCommerce, Magento, and custom commerce systems designed for conversion and growth. Mobile Applications React Native and Flutter apps for iOS & Android, including marketplace apps, on-demand services, SaaS apps, and AI-powered platforms. If you need a partner who understands both business goals and technical execution — let’s talk.

I have 10+ years in IoT, tech, AI, and project management. Leading a dynamic team, we excel in IoT, CRM, home automation, and system design. Proficient in IoT platforms (ESP, Raspberry Pi, ZigBee, Z-Wave, LoRa, Arduino), hybrid app development (Android, iOS), Python, UWP, .NET, IoT cloud, MQTT, WebSocket, and project management.