Hire the Best Raspberry Pi Developers
in India

I’m an Embedded Software Engineer with strong expertise in working with 32-bit microcontrollers such as STM32, NXP S32K, Arduino, and ESP32. I specialize in low-level firmware development, peripheral interfacing (UART, CAN, SPI, I2C), and building reliable embedded solutions for real-world applications. In addition to embedded systems, I bring proficiency in Python and Django, with a proven track record of developing robust web applications and creating advanced machine learning models using PyTorch, TensorFlow, and Scikit-learn. This unique combination allows me to bridge the gap between hardware and software—enabling smart, connected, and AI-powered systems. Technical Highlights: Embedded Systems Development: End-to-end firmware design for 32-bit MCUs with a focus on performance, reliability, and MISRA-C compliance. STM32 Firmware Development: Hands-on experience with STM32CubeIDE and HAL/LL drivers to implement UART, CAN, GPIO, Timers, PWM, and UDS services tailored for real-time applications. Python & Django: Building scalable backends, REST APIs, and custom dashboards for embedded device monitoring and control. AI/ML Integration: Designing machine learning pipelines for computer vision, NLP, and predictive analytics with deployment-ready code. Clean & Scalable Code: Writing modular, maintainable, and efficient code in both C and Python. I take pride in understanding your unique technical requirements and delivering solutions that are both innovative and reliable. Whether it's programming a microcontroller for real-time control or integrating AI into your product pipeline—I’m here to make it happen. Let’s collaborate to turn your ideas into impactful technology!

Welcome to my profile! I'm an enthusiastic developer with a deep passion for the fascinating world of Deep Learning and AI. With a solid background in building numerous IoT projects utilizing Arduino, Raspberry Pi, NodeMCUs, and more, I possess a strong foundation in creating innovative solutions. My expertise extends to robotics, drones, 3D printing, and hands-on experimentation. I have a natural inclination for constructing unique gadgets that not only entertain but also provide valuable insights into the inner workings of technology. During the Covid pandemic, I garnered recognition for my retrofitting of mini voice amplifiers to masks, which greatly aided voice amplification. This achievement was featured in multiple newspapers and articles. My skill set encompasses fluency in programming languages such as C, C++, Java, and Python, allowing me to develop a wide range of applications and solve complex problems. I take immense pleasure in designing captivating apps and coding programs that address specific needs, all while staying up-to-date with emerging technologies. Additionally, I have honed my proficiency in 3D modeling using Fusion 360, coupled with expertise in 3D printing to create both fun and practical objects. Building exciting projects, from electronic speed controllers to drones and other vehicles, has been a significant part of my IoT journey. If you're seeking a dedicated professional who thrives on purposeful innovation, look no further. Let's collaborate on your IoT projects, application development, or any other technological ventures you have in mind. Together, we can bring your ideas to life and push the boundaries of what's possible.

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 develop complete embedded systems, including firmware, PCB design, IoT solutions, desktop software, and mobile applications. Whether you need a prototype, MVP, or production-ready product, I can support the entire development process from concept to deployment. I maintain an in-house inventory of microcontrollers, sensors, and development hardware, along with a dedicated testing lab. This allows me to start development immediately without delays caused by sourcing components. Microcontrollers & Embedded Platforms ESP32 (All Series), ESP8266, STM32, Raspberry Pi, AVR, PIC, Nordic nRF52, Arduino Communication Protocols BLE, Wi-Fi, Bluetooth, MQTT, NFC, LoRa, RF, RS485, UART, SPI, I2C, CAN, Modbus IoT & Cloud Platforms AWS IoT Core, Azure IoT Hub, Google Cloud, Firebase, DigitalOcean PCB Design & Hardware Development Schematic Design, PCB Layout, Circuit Design, Sensor Integration, Hardware Debugging Development Tools ESP-IDF, ESP-ADF, Arduino IDE, PlatformIO, STM32CubeIDE, SEGGER Embedded Studio, KiCad, EasyEDA, Eagle Additional Expertise Wireless Medical Devices, Healthcare IoT, Wearables, BLE Medical Sensors, Patient Monitoring Systems, React Native Mobile Apps If you're unsure which components or architecture are best for your project, I can help you select the right hardware and software before development begins. Most of my Upwork projects are covered by NDAs, so many of the products I have developed cannot be shared publicly. However, I am happy to discuss my experience, development approach, and how I can help bring your idea to life.

My main projects are Kamil and PRANA. Kamil is a fully local AI operating layer running on my own RTX 3090. It does codebase indexing, uses a multi model council for decisions, and has a VS Code extension I built. Zero cloud. PRANA is an autonomous soil sampling rover. I wrote the navigation system, sensor fusion, serial protocol, and motor control from scratch. Outside those, I have built a full stack education platform with a Flutter mobile app, an AI streetlight monitoring system with a real hardware bridge, a multi LLM deliberation system, and an AI medical diagnosis tool. My background covers embedded systems, Python backend, ML pipelines, LLM integration, and hardware protocols. I work best when I can own the whole system, not just one piece of it.

I help startups and companies turn ideas into intelligent connected products — combining IoT hardware, AI systems, and scalable software platforms. With 8+ years of hands-on experience, I design and build complete solutions ranging from embedded devices and firmware to AI-powered analytics platforms and cloud applications. My work spans Arduino, Raspberry Pi, ESP32, STM32, and modern backend technologies used to power real-world IoT and AI systems. If you need someone who can build the entire technology stack — hardware, AI, cloud, and software — not just a small piece of it, you’re in the right place. 💡 What I Can Build for You 🔧 Custom IoT Product Development End-to-end development of connected devices — hardware architecture, firmware, cloud integration, and production-ready systems. 🧠 AI & Machine Learning Systems Custom AI models for predictive analytics, anomaly detection, automation, and intelligent decision-making in connected devices. 🖼️ Computer Vision Applications Face detection, object recognition, quality inspection, surveillance systems, and edge-AI solutions using OpenCV and modern ML frameworks. 💻 AI-Powered Software Platforms Development of intelligent dashboards, analytics platforms, and automation tools using Python, Node.js, React, and modern cloud infrastructure. 📡 Sensor Integration & Data Acquisition Environmental monitoring, industrial telemetry, motion detection, and real-time data processing systems. 🛠️ Firmware & Embedded Programming Highly optimized firmware for ESP32, STM32, ATmega, Raspberry Pi, and other microcontrollers. ☁️ Cloud IoT & Data Platforms Secure device connectivity, MQTT systems, AWS IoT, Firebase, Blynk, and custom APIs for remote monitoring and control. ⚙️ Rapid Prototyping & Hardware Development From concept → prototype → production-ready product with a strong focus on reliability and scalability. 🎥 See Real Projects & Builds YouTube: Sparklers – We Are The Makers 💬 Let’s build something innovative together. If you have an idea for an IoT device, AI system, or software platform, I can help you design, prototype, and launch it successfully.