Hire the Best Arduino Experts
in India

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

Senior Mechanical Design Engineer | R&D & Precision Automation CSWP-certified Mechanical Design Engineer with 8+ years of experience in high-precision systems for Medical Devices (automated robotics) and Defense & Aerospace. Skilled in delivering innovative, patent-worthy solutions with expertise in motion control and ruggedized design. Highlights: Mechatronics & Motion: Expert in gantry systems, custom gearboxes, conveyors; hands-on prototyping (Arduino, C). Regulatory & Quality: Designs compliant with MIL-STD, ISO, FDA; experienced in IP66/IP67 sealing. DFM & Manufacturing: Optimizes cost and manufacturability via CNC, injection molding, FDM & SLA 3D printing. Proven collaborator in cross-functional teams, mentoring engineers, and integrating mechanical systems with software/electronics from concept to V&V. Expertise: Precision Mechatronics, FEA/ANSYS, Product Lifecycle Management, Regulated R&D

I am an embedded systems specialist with over 8 years of experience in developing software, firmware, and hardware solutions. I’ve successfully delivered 100+ projects that integrate cutting-edge functionalities—from multi-threading and AI-on-edge to seamless wireless connectivity. ------------------------------ Core Competencies: ➡️ Microcontrollers -- Proficient with TI, STM32, ESP32, ESP8266, Atmega, and a wide range of Arduino boards. ➡️ Frameworks -- Expertise in bare-metal programming, FreeRTOS, STM32Cube, ESP-IDF, Arduino, and PlatformIO. ➡️ Linux -- Experience developing on x86, ARM, and Raspberry Pi systems. ➡️ Electronics -- Skilled in sensor integration, display management, and PCB design. ➡️ Wireless Protocols -- Deep knowledge of Bluetooth Low Energy (BLE), WiFi, Xbee, Zigbee, ESP-Now, LoRa, low-frequency radio, and mesh networking solutions. ➡️ Wired Protocols -- Familiar with SPI, I2C, RS232, RS485, UART, CAN-Bus, and more. ➡️ UI Frameworks -- Proficient in creating graphical interfaces using bare-metal techniques, LVGL, and Qt QML. ➡️ Platform integration -- Experience integrating embedded systems with cloud platforms and IoT solutions such as AWS IoT, Azure, and ThingsBoard, utilizing MQTT, REST, and other gateway protocols. ------------------------------ Project Highlights: ✅ Real-Time Multi-Threading -- Implemented robust solutions using FreeRTOS. ✅ AI-on-Edge -- Integrated AI functionalities into constrained embedded environments. ✅ Wireless Connectivity -- Delivered projects with WiFi, BLE, LTE, LoRa, Zigbee and others. ✅ Advanced Networking -- Developed mesh networking solutions implemented over a variety of protocols like ESP-Now, Radio, BLE, XBee, etc. ✅ Power Management -- Utilized deep-sleep modes, watchdog timers, and ULP cores for energy efficiency. ✅ User Interfaces -- Designed intuitive touch interfaces and captive portals, often paired with companion mobile apps. ✅ Device Management -- Executed comprehensive device management strategies, including OTA updates, fault recovery, and remote monitoring. ------------------------------ What I Offer: 💾 Firmware Design: With 8+ years of coding expertise, I provide rapid and reliable firmware development tailored to your hardware. ☁️ Cloud Setup: I can setup your IoT Platform backend including Amazon AWS, Azure, and even open-source solutions like Thingsboard. ⚡ Hardware Engineering: From schematics and circuit design to component selection and PCB layout, I cover the entire hardware development lifecycle. 📱 GUI Integration: Specializing in embedded products with graphical user interfaces, I leverage LVGL and Qt to create user-friendly, visually appealing designs. ------------------------------ I am passionate about exploring new technologies and continuously expanding my expertise. While I may not know every technology off the bat, I commit to learning what’s needed—without charging for my learning time. I’d be delighted to discuss your ideas and explore how we can bring them to life. Best Regards, Ravi Kharb

I go beyond writing code - I create tailored digital solutions that solve real business challenges, accelerate growth, and enable organizations to scale effectively in a competitive market. With over 7+ years of hands-on experience, I specialize in designing, developing, and deploying high-performance AI-powered applications, scalable web and mobile platforms, and robust data engineering solutions. My work combines clean architecture, strong data foundations, robust engineering, and innovative thinking to deliver solutions that are not only functional but also drive measurable business impact. From building intelligent AI systems to designing efficient data pipelines and analytics workflows, I focus on solutions that help businesses make smarter decisions and scale faster. As a proactive team player and problem-solver, I thrive in fast-paced environments, ensure seamless project execution, and consistently exceed client expectations through clear communication and reliable delivery. Tech Stack & Expertise - AI & Machine Learning: Generative AI, LLMs, Prompt Engineering, Conversational AI - Data Engineering: ETL/ELT Pipelines, Data Warehousing, Data Modeling, Data Lakes, Apache Airflow, Spark, Kafka, BigQuery, Snowflake, Data Migration, Reporting & Analytics - Back-End: Python (Django, FastAPI, Flask), Node.js, Express.js, Java, C, C++ - Front-End: React.js, Redux, Next.js, Vue.js, Vuex, Angular, RxJS, TypeScript, Vite.js - Mobile Development: React Native, Flutter, Hybrid Apps - Cloud & DevOps: AWS, Google Cloud, Azure, Kubernetes, Docker, CI/CD (Jenkins, Azure DevOps) - Databases: SQL (PostgreSQL, MySQL, MS SQL Server), NoSQL (MongoDB, Firebase) - Collaboration & Tools: Git, GitHub, GitLab, Bitbucket, Jira, Trello, Confluence - Best Practices: SOLID, TDD, UML, BPMN, Agile/Scrum What You Can Expect - Clear and timely communication - High-quality, scalable, and maintainable code - Efficient project execution with on-time delivery - A reliable, long-term development partner Whether you need an AI-driven product, a cloud-based platform, scalable APIs, high-performance front-end interfaces, or end-to-end data engineering solutions, I can help bring your vision to life. Let’s discuss your project and make it happen..

I am an electronics engineer with a decade of experience in schematic design, PCB layout, and firmware development. After founding a successful tech startup in 2010, I am now seeking to expand my reach through online platforms. My company specializes in the design and development of customized consumer and industrial electronics projects, offering state-of-the-art solutions and dedicated computer systems. Over the years, we have successfully designed various systems, including data loggers, data monitors, data acquisition systems, data processors, process controllers, and IoT solutions tailored to our clients' specific needs. Our expertise spans microcontrollers, microprocessors, FPGAs, SoCs, and System-on-Modules (SoMs). We are also proficient in wireless technologies such as XBee, BLE 4.0, BLE 5.0, GSM, and LoRa. Services we offer: 1. Component Engineering 2. Schematics and PCB design 3. Firmware development 4. Prototypes and Mass production 5. Vendor Co-ordination Deliverables we provide include: 1. PDF Documentation: Schematics, PCB artwork, and 3D views of the PCB. 2. Source Files: Schematics and PCB files in Altium format. 3. 3D STEP File: A detailed representation of the PCB. 4. Gerber Files: For manufacturing. 5. NC Drill Files: For precise drilling specifications. 6. Bill of Materials (BOM): Compiled from verified vendors and suppliers such as Mouser, Digi-Key, and JLC, ensuring reliability and consistency over time. 7. Firmware/Software: Including codes and sketches tailored to your specifications. 8. Prototypes and Mass Production: Comprehensive support from concept to production. We prioritize compatibility with leading vendors like Mouser, Digi-Key, LCSC, and JLCPCB in our BOMs, facilitating a comparative analysis of available components and expediting the prototyping and mass production processes. Additionally, we ensure that selected components are stable and widely available, mitigating concerns about obsolescence or stock shortages. I look forward to the opportunity to collaborate and contribute to your project’s success.

Full-Stack Robotics Engineer | Driving Innovation in Autonomous Drones & Mobile Robotics | ROS2, Python, PX4 Expert,PCB designer,CAD modelling,3D printing Summary: Are you looking to push the boundaries of automation with cutting-edge drone or mobile robot solutions? I am a dedicated Robotics Developer with extensive hands-on experience bringing complex autonomous systems to life. My expertise spans the full development lifecycle: * Software & Simulation: Proficient in ROS2 and Python for robust control systems, navigation, and perception. Adept at creating realistic Gazebo simulations and bridging the gap by integrating real-world hardware. * Firmware & Protocols: Deep understanding of PX4 firmware development and communication protocols like Mavlink and MAVSDK for seamless drone control and data handling. * Hardware & Electronics: Skilled in selecting, integrating, and troubleshooting hardware components (RPi, Jetson, Arduino, various sensors/cameras). Experienced in custom PCB design, prototyping, and testing for tailored solutions. 3D modelling : is proficient in CAD modelling and 3D printing Key Achievement: Successfully developed completely autonomous drones capable of operating without human intervention, demonstrating expertise in creating reliable, intelligent systems. I thrive on tackling challenging robotics projects. Let's discuss how my skills can accelerate your development and deliver innovative, automated solutions.