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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

11+ years building production embedded systems for Volvo, ZF, and Daimler. Through my startup work, I also design custom PCBs and ship complete hardware + firmware products for IoT, EV, and automotive clients. 𝗢𝗻𝗲 𝗲𝗻𝗴𝗶𝗻𝗲𝗲𝗿, 𝘇𝗲𝗿𝗼 𝗵𝗮𝗻𝗱𝗼𝗳𝗳 𝗱𝗲𝗹𝗮𝘆𝘀. I eliminate the hardware-software gap that kills most embedded projects. You get a single engineering partner who handles schematic design through production firmware. No miscommunication between separate HW and SW contractors, no integration blame games, and no schedule slips. 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 𝗪𝗼𝗿𝗸𝗳𝗹𝗼𝘄: * Flexible engagement: clear fixed-price milestones or hourly tracking * NDA signed before project kickoff to protect your IP * Transparent milestone timelines and regular progress updates * Complete manufacturing handoff (DFM/Gerber files ready for your preferred fab) * Optional long-term support and firmware maintenance 𝗛𝗮𝗿𝗱𝘄𝗮𝗿𝗲 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: * Schematic design and PCB layout (KiCad) * Component selection, BOM optimization, cost engineering * Design for Manufacturing (DFM) and Design for Assembly (DFA) * Board bring-up, prototype validation, hardware debugging * Manufacturing support, EMC/ESD pre-compliance guidance 𝗙𝗶𝗿𝗺𝘄𝗮𝗿𝗲 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: * AUTOSAR stack: MCAL, ECU Abstraction, Services, Com, NvM, EcuM, DEM/DTC Diagnostics, CDD, RTE, ASW integration * Bare-metal and RTOS: FreeRTOS, Zephyr, task scheduling, queues, semaphores, ISR handling * Low level drivers, bootloaders, complex device drivers, low-power optimization, schedulers, state machines. * Production-ready architecture, MISRA-C, ASPICE-compliant processes 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀: STM32, ESP32, NXP S32K1xx/S32K344, Renesas RH850/RA4M1, Infineon TC2xx/TC3xx/XMC1100/XMC4500, Atmel SAM/Mega/Xmega 𝗣𝗿𝗼𝘁𝗼𝗰𝗼𝗹𝘀: CAN, CAN FD, LIN, BLE, Wi-Fi, USB, SPI, I2C, UART, RS-485, UDS, OBD-II, XCP 𝗦𝗲𝗻𝘀𝗼𝗿𝘀 & 𝗔𝗰𝘁𝘂𝗮𝘁𝗼𝗿𝘀: Temperature, Pressure, HALL, Current, Wheel Speed, Ultrasonic, PM2.5, KL15/Ignition; Brushed DC, Stepper, BLDC, LIN motors, Solenoids, Relays, ASICs, NCV7240/7720/7726B 𝗧𝗿𝗮𝗰𝗸 𝗥𝗲𝗰𝗼𝗿𝗱: * Volvo Cars: Platform software for next-gen Zone Controller ECUs, Ethernet zonal architectures, ISO 26262 ESM and Safety-at-Init checks * ZF: Real-time braking control firmware across multiple ASIL levels, sensor/actuator adaptation for Geely programs * BHTC: Climate control systems for Daimler, Renault-Nissan, Hyundai, Geely, MAN Trucks; 40% effort reduction via configurable architecture * Startup projects: Complete hardware + firmware products from schematic to manufacturing for IoT and automotive clients 𝗧𝗼𝗼𝗹𝘀: KiCad, CANoe, CANape, Trace32/Lauterbach, PC-Lint, QAC, VectorCast, Polyspace, Tessy, MATLAB/Simulink, IBM Rational DOORS, PTC Integrity (MKS), GIT, Gerrit, IAR Workbench, STM32 CubeIDE, WinIdea, Multi, oscilloscope, logic analyzer Top Rated on Upwork. Published patent holder. Send me your project details and I'll respond within a few hours. 𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀: embedded hardware design, PCB layout, KiCad, schematic design, BOM optimization, DFM, DFA, board bring-up, prototype validation, manufacturing support, EMC testing, ESD protection, firmware development, AUTOSAR, MCAL, ECU abstraction, RTE, ASW, CDD, DEM, DTC diagnostics, Com stack, NvM, EcuM, ISO 26262, ASPICE, MISRA-C, bare metal programming, FreeRTOS, Zephyr RTOS, STM32, ESP32, NXP S32K, S32K344, Renesas RH850, RA4M1, Infineon TC2xx, TC3xx, AURIX, XMC1100, XMC4500, Atmel SAM, AVR Mega, AVR Xmega, GPIO, SPI, UART, USB, I2C, CAN, CAN FD, LIN, PWM, timers, clock, ADC, watchdog, temperature sensor, pressure sensor, HALL sensor, current sensor, wheel speed sensor, ultrasonic sensor, PM2.5 sensor, KL15 ignition, brushed DC motor, stepper motor, BLDC motor, LIN motor, solenoid, relay, ASIC, NCV7240, NCV7720, NCV7726B, motor control, HVAC actuator, position feedback, BLE, Wi-Fi, RS-485, UDS, OBD-II, XCP, hardware software integration, Trace32, Lauterbach, CANoe, CANape, PC-Lint, QAC, VectorCast, Polyspace, Tessy, MATLAB Simulink, IBM Rational DOORS, PTC Integrity, MKS, GIT, Gerrit, IAR Workbench, STM32 CubeIDE, WinIdea, Multi, oscilloscope, logic analyzer, Volvo, ZF, Daimler, Renault Nissan, Hyundai, Geely, MAN Trucks, Mahindra, zone controller, Ethernet, braking control, climate control, IoT hardware, EV electronics, industrial automation, embedded systems consultant, patent, Top Rated.

I am an Embedded Systems and IoT developer with experience building end-to-end hardware and software solutions—from low-level firmware to working prototypes. My work combines Python, Rust, and embedded systems development with 3D design, allowing me to take ideas from concept to functional product. I focus on practical, reliable solutions whether it's developing firmware, integrating sensors, automating systems, or building custom prototypes. I have worked on projects involving embedded programming, system integration, and technical design, and I am comfortable handling both the software and hardware sides of a project. This helps reduce communication gaps and speeds up development for clients. I am particularly interested in: • IoT device development • Embedded firmware (Python / Rust / C-based systems) • Hardware prototyping and system integration • Automation and control systems • 3D modeling for functional designs I aim to deliver solutions that are efficient, well-structured, and ready for real-world use.

I am a Senior Embedded Firmware Engineer with 11+ years of hands-on experience designing, developing, and optimizing reliable firmware for connected and embedded systems. I specialize in wireless communication technologies, low-level firmware, and embedded Linux, delivering production-ready solutions for consumer, industrial, and IoT products. 🔹 Core Expertise Wireless Technologies: Wi-Fi, Bluetooth Low Energy (BLE), Zigbee, Thread, Mesh networking Operating Systems & Platforms: Bare-metal, FreeRTOS, Embedded Linux Microcontrollers & SoCs: ESP32, STM32, Nordic NRF series, Renesas MCUs Application Processors: NXP i.MX 6UL, i.MX 8 series 🔹 Embedded Linux & Low-Level Development Linux device driver development Linux user-space application development Bootloader development and customization (U-Boot) Board bring-up, BSP development, and hardware debugging Experience with Yocto / Buildroot based systems 🔹 What I Deliver Clean, scalable, and well-documented firmware Robust wireless connectivity with optimized performance and power consumption End-to-end development: from board bring-up to production firmware Debugging and optimization using JTAG, logic analyzers, oscilloscopes Strong focus on stability, security, and long-term maintainability 🔹 Additional Strengths Deep understanding of MCU peripherals, memory optimization, and low-power design Experience working with cross-functional teams (hardware, QA, manufacturing) Comfortable with Agile development and version control (Git) Ability to quickly understand legacy code and improve existing systems If you’re looking for a reliable senior embedded engineer who can take ownership of your product and deliver high-quality firmware on time, I’d be happy to discuss your project.

Bring your custom hardware to life with production-grade firmware. With over 7 years of experience in Embedded Linux and C/C++ development, I specialize in the critical phase where hardware meets software. If you are struggling with unstable board bring-ups, complex Yocto builds, or writing reliable device drivers for custom peripherals, I can help you move from prototype to production. I have successfully delivered firmware solutions for diverse platforms, including NXP i.MX8 and TI AM64xx, ensuring robust performance in industrial and consumer applications. Core Expertise: * Embedded Linux & Yocto: Expert in creating custom distributions, writing recipes, and managing layers (Bitbake, OE-Core). * Board Bring-up (BSP): Modifying Device Trees (DTS), U-Boot configuration, and Kernel customization for new hardware spins. * Driver Development: Writing and debugging low-level drivers for UART, SPI, I2C, and PCIe interfaces. * Application Development: Building high-performance C/C++ user-space applications and testing tools (Python/PyQt5). * System Reliability: Implementing SWUpdate for OTA updates, setting up CI/CD pipelines, and rigorous hardware debugging using logic analyzers and oscilloscopes. Technical Stack: * Languages: C, C++ (11/14/17), Python, Shell Scripting. * Hardware: ARM Cortex-A/M, STM32, NXP i.MX Series, TI Sitara (AM64xx). * Protocols: TCP/IP, UDP, BLE, MQTT, SPI, I2C, UART, USB. * Tools: Git, CMake, GDB, Wireshark, JTAG/SWD. I understand that hardware delays are costly. I work comfortably with remote setups (Zoom/Screen Share) and can collaborate directly with your hardware team to diagnose signal issues or schematic errors early in the process. Ready to stabilize your firmware and ship your product? Click "Invite to Job" to discuss your project.

Welcome! I am a Senior Embedded Systems Engineer, PCB Designer, and Firmware Developer with 15+ years of experience taking hardware from concept to mass manufacturing. As a Top Rated Plus engineer with a 100% Job Success Score, I help startups, industrial automation teams, and automotive companies launch zero-defect prototypes and production-ready electronics. Most hardware projects fail due to poor EMI/EMC compliance, memory leaks, or unoptimized DFM/DFT. I solve this by engineering robust ecosystems—bridging the gap between reliable hardware physics and memory-optimized RTOS firmware. Hardware Architecture & PCB Design As a Senior PCB Designer, I natively use KiCad (versions 8–10) and Altium Designer to engineer multi-layer, high-speed, and mixed-signal boards. I handle the complete hardware lifecycle, integrating critical protections like 12V automotive TVS surge clamping, reverse polarity protection, and complex EMI/EMC shielding. Whether you need a flex-PCB for a medical wearable or a rigid board for an industrial controller, my layouts guarantee strict IPC-2221 compliance and flawless Pick-and-Place (CPL) alignment for JLCPCB and mass assembly. Embedded Firmware & RTOS Development As a Firmware Engineer, I write secure, hardware-optimized Embedded C/C++ code for ARM Cortex-M (STM32, NXP), ESP32, and nRF52 microcontrollers, as well as Embedded Linux systems (Raspberry Pi, Yocto, Debian). I architect highly stable software using FreeRTOS and Zephyr RTOS. My firmware track record includes deploying secure dual-bank OTA (Over-The-Air) updates, integrating Edge AI (TinyML), and tuning real-time wireless stacks (BLE, Wi-Fi, LoRaWAN, Cellular NB-IoT) without ever bottlenecking the scheduler. Industrial IoT & Sensor Integration I seamlessly integrate high-precision components—IMUs, CMOS image sensors, biopotentials, load cells, and BLDC/Stepper motor drivers—into highly constrained physical envelopes. I ensure that industrial communication interfaces like SPI, I2C, CAN bus (SAE-J1939), RS485, and Modbus TCP operate synchronously and fault-free. Core Services & Deliverables: ✓ End-to-End Hardware Architecture & Schematic Design ✓ PCB Layout & Routing (KiCad, Altium, EasyEDA) ✓ DFM/DFT Optimization for Mass Manufacturing (PCBA) ✓ Embedded C/C++ Firmware (FreeRTOS, Zephyr, ESP-IDF) ✓ Embedded Linux & Audio DSP (ALSA, PipeWire) ✓ IoT Cloud Connectivity (MQTT, AWS IoT, HTTPS) ✓ Hardware Bring-Up, Debugging & Power Supply Design Why Work With Me? I respect your intellectual property (IP) and strictly safeguard your hardware designs, schematics, and source code. I communicate transparently and deliver on time. Ready to start? Click "Invite to Job", book a Consultation on my profile, or send me a message detailing your product vision, physical constraints, or current hardware bugs. I will respond within 2 hours with an initial technical assessment and approach.