SUMMARY: 1) A Problem Solver who enjoys learning new things, working hard, facing new challenges, and offering technical leadership to companies. 2) A Ph.D. specializing in the Research and Development of new products. 3) Excellent references for every job worked. 4) All previous positions ended only due to end of contract or the company suffered from financial issues. NO OTHER REASONS. 5) 25+ years of Engineering Work experience from low level to architecture design. 6) Highly experienced using all lab equipment, DMMs, Oscilloscopes, etc. 7) Excellent PCB schematic and layout skills for through hole and SMT designs and Cell Libraries with ProCAD, component purchasing, PCB and Cable assembly experience. 8) Superior software engineering and programming skills (programming maven), including embedded, in Verilog, VHDL, C/C++/C#, Assembly Language, Python, Java, PLC, OOP, and Design Patterns. 9) 25+ years in Embedded (Firmware) Engineering through entire development lifecycle. 10) Highly experienced in analog and digital electronics design, all aspects. 11) Digital electronics design & engineering a specialty. 12) A highly organized, energetic, thorough, detail oriented, and fast engineer, who always meets all goals and deadlines, set by Management. 13) A team player who enjoys working with other Engineering and Science professionals. 14) Highly developed written and verbal communication skills. 15) 25+ years of project management experience, taking products from concept through R&D, design, testing, tooling, sample manufacturing, UL safety certification, SGS RoHS testing, packaging design including graphic arts design and layout, offshore mass production, and overseas product freight delivery. 16) Has a great deal of entrepreneurial spirit, having done consulting for companies, through engineering R&D companies, for the last 25+ years. 17) Experienced at Design & Development of Electro-Mechanical products. 18) Experienced with injection molding parts, stamping metal parts, die cutting, PCB fabrication, printing, and mass assembly. 19) Highly experienced in design of high volume products. 20) DoD Secret Clearance obtainable if necessary.

Embedded Systems & IoT Engineer | Robotics & Hardware Specialist I help businesses and startups build smart electronics, IoT devices, and automation systems — from circuit design to working prototypes and real-world deployment. I am an Electronics & Communication Engineer with strong expertise in embedded systems, robotics, and IoT-based solutions. I combine deep theoretical knowledge with hands-on practical experience from industry work, freelance projects, and multiple robotics competitions. I have built and delivered solutions across robotics, industrial automation, smart monitoring systems, and hardware product development. My focus is on reliable design, efficient system performance, and practical implementation. A. What I Can Help You With 1. Embedded Systems Development Microcontroller programming (STM32, AVR, ATmega, Arduino, Raspberry Pi) Embedded C/C++ development Firmware design and debugging Hardware bring-up and system integration Real-time system implementation 2. IoT & Smart Systems IoT device development and connectivity MQTT-based communication systems Wireless communication (WiFi, Bluetooth, ZigBee, Cellular) Sensor integration and monitoring systems Industrial and automation solutions 3. Electronics & Hardware Design Electronic circuit design and prototyping PCB design and board testing BOM preparation and hardware debugging Analog and digital electronics Lab testing with oscilloscopes and logic analyzers 4. Robotics & Automation Autonomous robot development Human follower robot systems Robotic arm control systems Industrial automation solutions Control systems (PID, DSP) 5. Advanced Technical Areas Image processing (OpenCV, YOLO) Digital signal processing Communication protocols (SPI, I2C, UART, CAN, MODBUS) System modeling and optimization B. Achievements & Experience ✔ Embedded System Developer since 2019 ✔ Senior IoT & System Designer for industrial digital twin projects ✔ Built robotics systems, solar power solutions, and automation devices ✔ Participated in 50+ robotics and electronics competitions ✔ Won multiple 1st and 2nd prizes in technical competitions ✔ Experience in industrial monitoring and smart device development C. Why Work With Me ✔ Strong practical engineering approach ✔ Fast problem solving and debugging ✔ Reliable hardware and software integration ✔ Clean and scalable system design ✔ Dedicated and quality-focused work If you need a working prototype, automation system, or embedded solution — I’m ready to help bring your idea to reality.

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.

I help hardware startups and product teams build production-ready embedded systems across firmware, embedded Linux, IOT and edge AI. Top Rated Plus | 100% Job Success | 19,000+ Upwork hours | 80+ Jobs Completed My strongest work is turning prototypes into stable, testable, production-ready systems: MCU firmware, hardware bring-up, connectivity, embedded Linux gateways, MQTT/AWS IoT telemetry, camera pipelines, and edge-AI inference. EMBEDDED FIRMWARE • ESP32 / ESP-IDF firmware for Wi-Fi, BLE, sensors, MQTT, OTA, and cloud-connected devices • STM32 firmware with FreeRTOS, drivers, UART/SPI/I2C/CAN, bootloaders, and hardware bring-up • Nordic nRF52840 / nRF9160 / nRF5340 firmware using Zephyr RTOS, BLE GATT, low-power design, and FOTA • Sensor integration, power optimization, debugging, testing, documentation, and source-code handover • Services include ESP32 / ESP-IDF firmware, STM32 firmware, Nordic nRF52/nRF9160, Zephyr RTOS, FreeRTOS, BLE GATT, Wi-Fi, LTE-M, NB-IoT, LoRa, UART/SPI/I2C/CAN, bootloaders, OTA/FOTA, low-power firmware, sensor integration, and hardware bring-up. EMBEDDED LINUX • Yocto / Buildroot Linux images, BSP customization, device tree, kernel configuration, and system services • Raspberry Pi CM4, i.MX6/i.MX8, Linux gateways, modem/networking, MQTT bridges, and production device setup • Linux driver-level debugging, boot issues, hardware interfaces, camera pipelines, and field reliability improvements • Services include Embedded Linux, Yocto, Buildroot, BSP customization, device tree, kernel configuration, Linux device drivers, Raspberry Pi CM4, i.MX6/i.MX8, system services, modem/networking, MQTT gateways, and production device setup. EDGE AI / CAMERA SYSTEMS • OpenCV, YOLO, OCR/ALPR, RTSP streams, object detection, visual inspection, and safety scoring systems • Embedded Linux camera pipelines, edge inference, model integration, performance optimization, and cloud-connected AI workflows • Services include Edge AI, computer vision, OpenCV, YOLO, RTSP camera streams, OCR/ALPR, visual inspection, object detection, driver safety scoring, crack/pothole detection, embedded inference, Jetson, Raspberry Pi, and Coral TPU. BEST-FIT PROJECTS • ESP32 / STM32 / Nordic nRF firmware • BLE wearable and low-power sensor devices • Zephyr RTOS / FreeRTOS systems • IoT devices with MQTT, AWS IoT, OTA, and telemetry • Embedded Linux gateways and Yocto/Buildroot systems • Camera-based edge-AI and computer vision systems If you need someone who can own the embedded system layer — not just patch code — I can help turn your prototype into a reliable product.

Looking for a talented all-rounded digital, hardware, and embedded designer/developer? Well, I am an experienced engineer in digital design and FPGAs straight from the High level synthesis to HDL and FPGA developmemnt. I am experienced in using latest tools from Intel, Xilinx and Lattice like Vivado, HLS, Vitis AI and Petalinux. I have also worked with PCIe design and integration, Network interfaces and mutliple communication standards. Probably you want to make your own hardware, then let's make you a whole design from scratch customized to your requirments, prototype it and program it for you. If you want your device to talk then digital communication is my Jam, My hardware communicates using any communication protocol over WiFi, bluetooth, BLE, Lora, LTE, GSM.... If you passed by my profile, then I must have something to offer you.

🚀 Looking to bring a cutting-edge embedded product to life? I provide hardware & firmware solutions that power smart, connected devices—from concept to certified, production-ready electronics. With 15+ years of hands-on experience, I’ve helped startups and enterprises successfully launch 50+ products across industries, including IoT, industrial automation, and consumer electronics. I specialize in end-to-end product development, ensuring seamless hardware-firmware integration, low-power optimization, cloud connectivity, and regulatory compliance (FCC, CE, etc.). Whether you need a prototype, small-batch production, or full-scale manufacturing, I can support you at every stage. 🔹 Services Offered ✅ Embedded Firmware Development – Real-time, energy-efficient, and scalable solutions ✅ Custom Hardware & PCB Design – Schematic design, PCB layout, and prototyping ✅ IoT & Wireless Expertise – LoRaWAN, Wi-Fi, Bluetooth, Cellular IoT (2G, 3G, 4G, NB-IoT) ✅ Device Manufacturing & Prototype Production – Rapid prototyping, small-batch production, and mass manufacturing support ✅ Cloud & Dashboard Solutions – IoT data visualization with ThingsBoard, AWS IoT, and ChirpStack ✅ Regulatory Compliance & Certification – FCC, CE, UL pre-compliance testing and firmware optimization ✅ Full-Stack Embedded Solutions – From board bring-up to cloud integration I help businesses and innovators get high-quality embedded solutions without delays or technical roadblocks. Whether you're building a prototype, scaling to production, or optimizing an existing design, I provide efficient, cost-effective, and scalable solutions. 📡 Expertise in Microcontrollers & Hardware ✅ Microcontrollers & SoCs: STM32 (STM32WL, STM32WB, STM32L0, STM32L4, STM32F1, STM32F4, STM32F7), AVR, PIC, Renesas, TI, NXP, ESP32, Raspberry Pi (RP2040) ✅ Wireless & IoT Technologies: LoRa, LoRaWAN, Sub-GHz, Wi-Fi, Bluetooth, Cellular IoT (2G, 3G, 4G, NB-IoT) ✅ Communication Interfaces: I2C, SPI, UART, QSPI, RS485, RS232 ✅ LoRaWAN Gateways: Milesight UG65, RAK Wireless WisGate, CloudGate Micro 💻 Software & Development ✅ Programming Languages: C, C++, Assembly, Perl, C#, Python, JavaScript ✅ RTOS & Embedded OS: FreeRTOS, Zephyr, QNX, RT-Linux ✅ Cloud & IoT Platforms: AWS IoT Core, The Things Network (TTN), ChirpStack ✅ IoT Dashboard Solutions: ThingsBoard, Grafana, and AWS IoT Dashboards ✅ Protocols: REST API, MQTT 🚀 Why Work With Me? ✅ Full-cycle embedded product development – from PCB design to firmware & manufacturing ✅ Experience in industrial, consumer, and medical electronics ✅ Optimized solutions for low power, real-time performance, and scalability ✅ Seamless integration of IoT hardware with cloud-based dashboards ✅ Proven track record of delivering high-quality, production-ready embedded systems 📩 Let’s discuss your project! Whether you need PCB design, firmware development, IoT dashboards, prototype production, or full-scale manufacturing, I can help. Click ‘Invite to Job’ to get started! 🚀

I’m proficient in the following: • Design, development, deployment and maintenance of medium to large scale IoT and Cloud solutions • Developing reliable software with standard software development models and practices such as coding to standard, requirement elicitation, waterfall, agile, UML and testing *** SKILLS *** My engineering skills include the following: 1. FIRMWARE DESIGN • Programming: C/C++, python, java • Hardware description language: VHDL, Verilog • Embedded Linux, OS and kernel programming: RTOS design and implementation • Multi-platform software design: ARM, AVR, Artix-7 FPGA family, Zynq 7000 FPGA boards. • M2M Protocol design and implementation: Lonworks, Ifsf, NDEF (rfid/nfc) • Communication interfaces: RS232, RS485, RS422, SPI, I2C, CAN, JTAG, UART, Current loop, Classic Bluetooth, BLE, Wi-Fi, NFC, RFID • Tools: eclipse, visual studio, matlab, labview, QT for C++ and python, Xilinx vivado and vitis, Modelsim • Legacy code and extensive low level programming experience: neuron c, kick c 2. HARDWARE DESIGN • Tools: Eagle CAD, Proteus • Digital and Analogue circuit design • PCB fabrication • Testing and troubleshooting: logic analyzer, oscilloscope 3. SOFTWARE ENGINEERING • Software development framework/methodology: Waterfall and Agile • UML: papyrus (eclipse), draw.io (diagrams.net), Yakindu state chart tool • Version control tool: GIT • Advance Data structure, algorithms, Design pattern and state machines • Blockchain and cryptography • Web and Mobile app development: html, CSS, JavaScript, Java, C#, Android studio • Project and task management tool: Trello *** EDUCATION *** PROFESSIONAL COURSES AND SPECIALIZATIONS, COURSERA • Accelerated Computer Science Fundamentals: University of Illinois at Urbana Champaign • Embedded software and hardware architecture: University of Colorado Boulder • Introduction to Embedded machine learning: Edge Impulse PROFESSIONAL COURSES AND SPECIALIZATIONS, EDX • Embedded Systems – Shape the World: Multi-Threaded Interfaces • Embedded Systems – Shape the World: Microcontroller Input/Output *** PROJECTS *** 1. AGV – AUTONOMOUS GROUND MOVING VEHICLE • A remotely controlled autonomous ground moving vehicle • Controlled with an android app via two optional wireless communication mediums, Bluetooth and WIFI • Driven by two stepper motors for precise movement and torque 2. UMV – UNMANNED MARINE/UNDERWATER VEHICLE • Was part of a research team that worked on an autonomous and intelligent marine vehicle for capturing marine and oceanographic variables offshore. • I was responsible for the CAD model and simulation of vehicle in the ocean 3. FUEL TANK MONITORING SYSTEM • Primarily monitors the products in fuel tanks and reports to a cloud server • With grid and generator power alert feature and usage statistics • Integrated HMI for retrieving inventory reports locally • With Efficient power management system 4. V ARM – VOICE CONTROLLED, 4 DOF ROBOTIC ARM • A four degrees of freedom robotic arm that receives command via a sound module and carries out actions based on the user’s pre- programmed commands 5. IoT POWERED, FUEL STATION AUTOMATION CONTROLLER • Communicates with fuel dispensers via proprietary and closed M2M protocols • Advance cryptography algorithm for secure data storage and transmission 6. FUEL DISPENSER SIMULATOR AND CONFIGURATION TOOLS • A desktop software that simulates the behavior of fuel dispensers • Communicates with controllers via proprietary communication protocols

NOTE ON AI PROJECTS: I have serious ethical reservations about training *proprietary* AI (Artificial Intelligence) models and machine-learning models that are owned and managed by 'Big Tech'. Please don't send me invites for such jobs. My commercial experience has been primarily in embedded software development for home automation systems - C programming, microcontollers (PIC, Atmel AVR and STM32s), real-time operating systems, API design and communication protocols. I have a significant amount of experience with server-side development and relational databases also however - in Perl / CGI and PostgreSQL primarily. I have a first-class Bachelors degree of Electrical & Electronic Engineering. I can offer tuition to students, but do not ever contact me asking me to do assignments for you.

👨🏻‍💼 Hey, I am Kumail. A Senior Embedded Engineer. I am currently working as a Firmware Embedded Engineer at Bit Byte and as a Research Assistant at LUMS Energy Institute, Lahore. ⚡ Embedded Firmware Engineer | Smart Energy | EV Systems | Industrial IoT 🔹 Embedded Systems Engineer delivering production-grade firmware for smart meters, EV systems, and industrial IoT devices 🔹 Strong background in RS485 (Modbus RTU), CAN Bus, BLE (Nordic nRF), and real-time embedded architectures 🔹 Built and deployed smart metering solutions, EV cradle control systems, and BMS communication stacks 🔹 Experienced in power electronics interfacing, sensor integration, and reliable field-device communication ⚡ Why Choose Me 🚀 I am simply way faster, cheaper, and have more hands-on experience since working with a startup, managing all the industry-level projects on my own. 🔋 Relevant Project Experience ⚙️ Smart Energy & Metering Systems - Developed firmware for smart energy meters using RS485 (Modbus RTU) for industrial communication - Integrated PZEM modules and multiple sensor interfaces - Designed structured data acquisition layers with fault handling - Implemented secure cloud communication pipelines 🔌 EV Cradle & Battery Systems - Worked on EV cradle firmware with CAN protocol integration - Developed communication layers for Battery Management Systems (BMS) - Implemented message parsing, diagnostics, and real-time state monitoring 📡 Nordic BLE Development - Developed BLE-based firmware using Nordic nRF series (nRF52) - Implemented custom GATT services and secure BLE communication - Optimized low-power modes for battery-operated devices - Integrated IMU (accelerometer & gyroscope) for motion-aware systems 🏠 Smart Home & Control Systems - Built intelligent lighting control systems - Developed PLC-based device control logic - Integrated touch display interfaces for AQI meters - Designed modular firmware architecture for scalability 🛠 Core Technical Expertise 🔹 Embedded Platforms ⚙️ ESP32 ⚙️ Nordic nRF52 Series ⚙️ STM32 (ARM Cortex-M) 📡 Communication Protocols 🔌 RS485 / Modbus RTU 🚗 CAN / CANopen 📶 BLE (Nordic SoftDevice) 🔄 UART, SPI, I2C 🧰 Tools & Development 💻 C / Embedded C 🛠 PlatformIO ⚡ FreeRTOS 🔗 Git / Version Control 📊 Oscilloscope & Logic Analyzer debugging 🔍 Hardware bring-up & board-level troubleshooting

I am a professional embedded software engineer with more than 12 years of experience. My current areas of expertise are IoT Applications & Embedded Systems Design, including embedded hardware/software. 𝐌𝐘 𝐒𝐊𝐈𝐋𝐋𝐒: - Know about MCU: Nordic, Silicon Labs, AVR, PIC, ESP, TI CC32xx, ESP32, Qualcomm QCC51xx, etc. - Have experience in programming languages such as C/C++, C#, Java - Solid knowledge of standard interfaces such as I2C, SPI, UART, and CAN. - Have experience using debugging tools such as Segger Jlink, CAN bus analyzer, and Logic analyzer. - IoT devices with wireless connectivity such as LTE, CAT-M1, NB-IoT, LoRa/LoRaWAN, BLE, WIFI, NFC - Good experience in AWS Service, AWS IoT, AWS Shadow, and AWS Jobs. - Good experience in Battery Management Systems based on BQ products from TI. - Good experience with Audio Codec chips. - Experience with AI/ML on Edge Impulse with nRF Connect - True wireless earbuds, headsets and speakers, Bluetooth ® LE Audio standard from Qualcomm: QCC5141, QCC5171, QCC5181,... We have worked with wearable devices and medical devices: - ECG 1, 3, 12 leads with ADS1292, ADS1293, ADS1298 - EEG with ADS1299 - Body temperature with MAX302025, MAX30208 - PPG with MAX86178, MAX86178 - SPO2 with OB1203, MAX32664 sensor hub - Vital signal with AFE4950 - OTA firmware update via Bluetooth/WIFI End-to-End Embedded & Hardware Solutions I provide complete product development services — from concept and design through prototyping, firmware, and production — for IoT, wearables, medical, and consumer electronics. Hardware & PCB Design - Multi-layer PCB design for high-reliability, high-performance systems - High-speed design: USB 2.0, HDMI 2.0, DDR3/DDR4/LPDDR4, PCIe, NAND Flash, Ethernet (up to 10GBase-T1), PoE++ - Microcontrollers & SoMs: ARM Cortex-M3/M4 (STM32, ESP32, Nordic nRF52/53/91); custom boards for Raspberry Pi CM4, iMX8, Jetson Nano/Xavier/Orin, RK3588/3568, TI AM6254 - Power & analog: DC-DC (Flyback, Boost, Buck, LDO), BLDC/servo motor control, high-resolution ADC/DAC, audio circuits, and battery management (BMS) - DFM/DFA and EMC/EMI compliance, with certification support (CE, FCC, FDA-ready) - Tools: Altium Designer, KiCAD, Eagle, EasyEDA, OrCAD; SolidWorks and Inventor for 3D/enclosure design Firmware & Connectivity - Embedded software in C, C++, Python, and Qt, with RTOS integration and low-power optimization - Custom driver development and communication protocols: QSPI, I2C, SPI, RS485/RS232, CAN, Modbus (TCP/IP/RTU) - Connectivity stacks: BLE, Wi-Fi, NFC, LoRa/LoRaWAN, LTE, CAT-M1, NB-IoT, GSM (3G/4G) IoT platforms: MQTT, ThingsBoard, AWS IoT, Blynk; secure OTA updates, device provisioning, and cloud integration - Robotics: ROS/ROS2 for AGV, AMR, and 6-axis robot applications - Embedded UI/UX: Figma, TouchGFX, LVGL AI & Cloud Integration - Edge AI/ML deployment (Edge Impulse, TensorFlow Lite) - Predictive maintenance and anomaly detection for IoT/IIoT - Cloud integration with AWS, Azure, and Google Cloud - Cross-platform mobile apps (Android/iOS) and web dashboards for monitoring and analytics Product Leadership - Proven experience leading cross-functional teams in startup environments - End-to-end project management across design, fabrication, and procurement for cost-efficient, on-time delivery - Strong troubleshooting and research skills for electrical evaluation, testing, and design optimization 🔑𝐊𝐄𝐘𝐖𝐎𝐑𝐃𝐒: Embedded Design, Hardware Design, Firmware Development, Mobile App Integration, IoT Device, Medical Device Design, Embedded Systems, Real-time Operating Systems (RTOS), Microcontroller Programming, Sensor Integration, Wireless Communication (Bluetooth, Wi-Fi), Low Power Design, Wearable Devices, Firmware Architecture, Embedded Software, Device Drivers, System-on-Chip (SoC), PCB Design, Signal Processing, IoT Platforms, Cloud Integration, Mobile App Development, Web Portal Design, Healthcare Technology, Remote Monitoring, Data Security, Telemetry, ARM Cortex, ESP32, Device Connectivity, Embedded Prototyping, Human-Machine Interface (HMI), Medical Device Compliance, Mobile-Connected Devices, IoT Security, BLE, Firmware Debugging, Connectivity Solutions, Edge Computing, Smart Devices, Industrial IoT.