I have spent the last 13 years becoming an expert in the field of acoustics and vibration. Coupling that with an MBA, I can help solve complex problems while being cost-conscious. I worked in industry for five years as a noise and vibration (NVH) consultant, so expanding my services to Upwork is a natural next step. I have worked in the machine learning, automotive, aerospace, military, consumer goods industries. I use AI in as many tasks as possible to deliver impressive results at impressive speed. I'd love to have a complimentary chat to discuss how I could help solve your problem. Additional Proficiencies: Data acquisition Signal processing Machine Learning City Noise Ordinances Speech Transmission Classification Testing Access to: MATLAB Python LabVIEW Test Lab COMSOL Solidworks

I help consumer electronics startups, IoT product teams, and hardware engineers bring their ideas to life from initial concept to production-ready firmware and PCB design. What I deliver: ✔ Embedded firmware in C/C++ for STM32, ESP32, Arduino, and ARM-based MCUs ✔ PCB design and schematic capture (KiCad / Altium Designer) ✔ IoT device development with WiFi, BLE, LoRa, and MQTT connectivity ✔ Motor control systems BLDC, stepper, servo with FOC and PWM ✔ RF/Wireless integration and protocol stack implementation ✔ Python/MATLAB-based testing, simulation, and data analysis tools With 81+ completed projects on Upwork and a 100% Job Success Score, I take ownership of the full development cycle hardware bring-up, peripheral drivers, communication stacks, and final production firmware. I work best with clients who need: → A complete IoT product built from scratch → Existing firmware debugged, optimized, or ported to new hardware → A reliable PCB designed for manufacturability Services: 1) Hardware/Electronics design (Power, Analog, Digital/High-speed and RF electronics design) 2) Precertification testing (EMI, ESD, EMC, FCC, CE, UL) 3) Firmware design С/C++ (Bare metal MCU/MPU, FreeRTOS, Zephyr RTOS, Embedded Linux, Wireless protocols, Security, Interfaces, etc) 4) UX/UI design (Embedded devices with displays, Mobile and Desktop applications) 5) Software design (Android, IOS, Linux kernel and user space development) 6) Embedded Quality Assurance(QA) and testing 7) Manual verification/testing PCB/FPC, functional and unit testing of the Firmware/Software, stress testing, temperature range testing Service->Hardware design service: - Power electronics design: (PFC, Solar charging controller, chargers, high voltage control, Motor controllers DC/AC/BLDC ) - Analog electronics design: High-accuracy analog measurements, Noise filtration, Digital to analog conversion, Amplifying signal - Digital and high-speed electronics design: - Memories DDRx/LPDDRx, SDRAM, Camera and display interfaces (MIPI-DSI, MIPI-CSI, DisplayPort, etc), Data communication interfaces (QSpi, SPI, UART, I2C, FMC, I2S, USB 2/3.x, etc), ( - RF Designs: ( 50-60 GHz (Radars), 1-6 GHz (UWB, Wifi, BLE, ZigBee, GPS, NB-IoT, LTE-M/LTE, Z-Wave, etc), 13,6 MHz, 128 kHz (NFC, RFID, etc), 433 MHz (Custom protocols) Service->Firmware design С/C++: - Languages: C/C++, Assembler - Diagrams: Block, UML, Workflow, APIs - Interfaces: I2S, SAI, MIPI-DSI, MIPI-CSI, USB 2/3.x, LTDC, DDR3/DDR4/LPDDR4, I2C, SPI/QSPI, UART, CAN, Ethernet - Wireless: NB-IoT, LTE M, GPRS, GPS, LTE, UWB, WiFi, BLE, ZigBee, Z-Wave, LoRa, Thread, 6LoWPAN, Sub 1GHz, NFC (13,6 MHz), RFID 433 MHZ and 128 kHz - Protocols : MQTT, HTTP, FTP, Modbus TCP/RTU, SNMP, TCP/IP, UDP/IP, DLMS, custom protocols - Security: AES, SSL/TLS, custom algorithms - Libs and frameworks: TouchGFX (GUI lib for MCU), emWin (GUI lib for MCU), LVGL (GUI lib for MCU), WolfSSL (SSL/TLS), Mbed TLS(SSL/TLS), osxMotionFX (Sensors fusion algorithm based on the Kalman theory), FatFS, lwIP (TCP/IP stack), WICED (Wifi stack), aws/amazon-freertos, Paho MQTT, TensorFlow - Embedded OS: FreeRTOS, TI-RTOS, ZephyrOs, Embedded Linux, Yocto, ROS - MCUs: NXP (i.MX RT1064, LPC1100, LPC4000), Nordic (NRF52xx/NRF53xx/NRF91xx), TI (CC3220/CC26xx/CC1100/CC3200, MSP430), Espressif (esp32, esp8266), ST(STM32H7/F7/F4/L4/F0/L0/WB/WL/G0 and STM8), Atmel/Microchip(SAM D20/D21/L21/R21/V70/V71, SAMA5/SAM4/SAMD4), Silicon Labs(EFR32, ZGM130S), Cypress (PSoC 3/PSoC 4), Kinetis (Family MK81FN256VDC15), Holtek (HT68xx) - MPUs: Analog Devices (ADSP-2156x SHARC), Qualcomm (Snapdragon 625/425/610/845), Allwinner (A64, A33, H3, H6 series), NXP (I.MX6/I.MX7/I.M8) , ST(STM32MP1) - SOMs: NVIDIA Jetson nano, NVIDIA Jetson Orin Nano, NVIDIA Jetson AGX Orin, Toradex (Colibri iMX6, IMX7, IMX8), Raspberry pi (CM3, CM4 modules), Inforce (Qualcomm Snapdragon 410, 820, 845 SOM), 8devices (Mango on Qualcomm IPQ6000/IPQ6010 Soc), Sensiedge(SensiBle 1 and 2, SensiLora) Service->Software: - Languages: Java, Kotlin, C#, C/C++, Python, Java Script - Diagrams: Block, UML, Workflow, APIs - Interfaces: USB, Ethernet - Protocols : MQTT, HTTP, FTP, Modbus TCP/RTU, SNMP, TCP/IP, UDP/IP, DLMS, custom protocols Tags: Electronics engineering , Electrical Engineer, Electrical Engineering, Electronics, Hardware, Firmware, PCB, PCB layout, Board Layout, Schematics, Altium Designer, IoT, Internet of Things, Power Electronics, Bluetooth, BLE, TI, Texas Instruments, C, C++, MCU,RTOS, Microcontroller, prototype, validation, Enclosures, BMS, Android, iOS, Java, Swift, Mobile Apps, Database, React, AWS, Python, ESP32, Arduino, PLATFORMIO, PIC, NXP, Texas Instrument, Nordic, DIALOG, STM32, LCD, Raspberry Pi, Oil and Gas Automation,RF, XBEE, Wi-Fi, BLE, Production, Prototyping, LoRa WAN, Manufacturing, Assembly, Motor Driver, Prototype, Wireless Module, Controllers, EASY EDA, KiCAD. Let’s talk about your project. Send me a message, and I’ll respond in less than 30 minutes.

Being a Certified SOLIDWORKS Professional, my 9+ years of professional DFM experience supports me to stand out with the following skillset • Product Design (Design, Rendering, 3D printing, Prototyping, Manufacturing) • CAD Modelling (SOLIDWORKS, CATIA, Creo, Pro E) • FEA Analysis (Solidworks, Ansys, Abaqus) • CFD (ANSYS CFX, ANSYS Fluent, Star CCM+, SOLIDWORKS) • Thermodynamic and Heat Calculations • Material Selection Using CES Software I am also proficient in • Matlab / Simulink, PCB Design Being a Mechanical Engineer and Design Professional, I am well experienced in the complete design process starting from concept sketches to bulk manufacturing and shipping (to amazon warehouse or any location). I am accustomed to the use of standard components from reliable suppliers e.g. Macmaster-Carr to keep the product cost at a minimum. I also provide the service of prototyping and have all the required resources, including 3D printers (FDM, SLA), laser cutter, PCB machine, CNC and other workshop facilities. Afterwards, if needed, I can connect you with reliable Chinese manufacturers too. I look forward to discussing your project with you on chat /call. Regards Muhammad Waqas Nawaz

Hello, I'm an experienced Electrical Engineer with a passion for simulation and design. I specialize in using Multisim, LTspice, and PSPICE to create high-quality simulations that accurately model real-world electrical systems. With over 5 years of experience in the field, I have a strong understanding of electrical engineering principles and a keen eye for detail. Whether you need help with circuit design, analysis, or troubleshooting, I have the skills and expertise to deliver top-notch results. My proficiency in Multisim, LTspice, and PSPICE allows me to create highly accurate simulations that can help you visualize and optimize your electrical systems. I can work with you to identify potential issues and recommend solutions to ensure that your systems operate efficiently and effectively. In addition to simulation, I have experience with PCB design, firmware development, and system integration. I'm also proficient in a variety of programming languages, including C++, Python, and MATLAB, which allows me to develop custom solutions to meet your specific needs. If you're looking for a skilled and experienced Electrical Engineer who can help you with Multisim, LTspice, and PSPICE simulations, look no further. Let's discuss your project and see how I can help you achieve your goals.

Hello! 👋 I’m an Electronics Engineer with 10+ years of experience in embedded systems, PCB design, and hardware development — from concept to working prototype and production-ready solutions. My expertise includes: • Embedded hardware & firmware development • Low-power BLE devices and wearable electronics • PCB design for microcontrollers, sensors, RF, and high-speed interfaces • RF and antenna design • Power management and battery-powered systems • Prototype development and hardware debugging • Compact enclosure and product integration Tools I work with: 🔹 Altium Designer 🔹 CST / Ansys / Comsol 🔹 Fusion 360 / Inventor 🔹 Circuit simulation and signal analysis tools I also have hands-on experience with rapid prototyping technologies including 3D printing, CNC milling, and small-scale production preparation. I focus on building reliable, efficient, and well-engineered products with clear communication and attention to detail. Let’s build something great together. 🚀 〰〰〰〰〰〰〰〰〰 Essential Services 〰〰〰〰〰〰〰〰〰 ✔ PCB layout. ✔ Hardware Design. ✔ Electrical and Electronic Engineering. ✔ Robotics. ✔ Prototypes. ✔ Conceptualizing electronic projects. ✔ Internet of Things projects. ✔ Embedded Systems. ✔ Designing compact enclosures for devices. 〰〰〰〰〰〰〰〰〰 Applications 〰〰〰〰〰〰〰〰〰 ✔ Boost converter/buck converter. ✔ DC-DC Converters / AC-DC Inverters ✔ High-precision measurement system with various sensors. ✔ RF design. ✔ PCB antennas. ✔ RFID design. ✔ Microcontrollers. ✔ Microprocessors. ✔ QI wireless chargers. ✔ MEMS (accelerometer, gyroscope, etc.) ✔ WIFI / GPS / BLUETOOTH / ZIGBEE systems. ✔ Communication USB2.0 / USB3.0 / USB3.1 / USB3.2 ✔ I2C / UART / I-Wire communication. ✔ Ethernet / RS232 / RS485 communication. ✔ Switching power supplies / linear power supplies. Upon completion of the work, I will provide you with production documentation according to your requirements or those of the PCB manufacturer. I can also supervise the production of printed circuit boards and test upon its completion and afterwards prepare report and renderings for visualization. 💻 Best regards.🤝

9+ years in physical acoustics, vibration and ultrasound, for civil (buildings), consumer (ultrasonics) and industrial products, with experience in embedded, prototyping and new product introduction. PhD candidate in Ultrasonics, published author and inventor in few patents for a novel electromagnetic actuator. I offer laboratory services to: - Perform frequency response and impedance measurements. - Measure both airborne and waterborne ultrasound using lab-grade equipment. - Model, design and test piezo-based sensors including Langevin transducers. - Vibration isolated platform and vibration measurements. - Shaker testing and accelerometer testing. I am Member of Institute of Acoustics UK (IoA), and British Institute for Non-Destructive testing (BINDT). Areas of expertise: - Ultrasound: ultrasonic transducers including underwater, hydrophone measurements, piezoelectric and Langevin transducers. - Vibration: measurement using industry-standard accelerometers, signal processing, simulation using Finite Difference or Finite Element for buildings and products, transfer function measurements, setup of custom setups, ground-borne vibration analysis from trains, radiated noise, vibration actuator and custom vibration isolator design. - Haptics: design of haptic systems, and embedded programming of haptic actuators, including Texas Instruments DRV2605, and Rensas ASICs. - Measurements: Laser Doppler Vibrometer, Thermal measurements using FLIR systems, High-Speed Imaging, Radio Frequency (RF) - Programming: MATLAB and Python scientific programming and publication-level data analysis. - Prototyping: PCB design, etching and milling, Lathe and CNC metal work, soldering, reverse engineering. C and C++ for embedded development for Arduino and STM32. - Audio DSP design including testing of Acoustic Echo Cancellation (AEC) solutions, Acoustics Noise Cancellation ANC, Voice Activity Detectors, Cirrus Logic, Sigma DSP, Threshold Detectors, including open source algorithms such as WebRTC, SpeexDSP. - LabView applications for NI and non-NI devices with GUI interface, for testing, measurement and prototyping. Relevant achievements Served 20+ projects for clients worldwide since 2023. Sole inventor in 3 patent applications, 2023 Founded a company specialising in vibration feedback solutions, 2023 Published in Nature Scientific Reports and IEEE, 2021–2022 Presented my publications in IEEE Ultrasonic Symposium, 2021–2022

When energy development projects move from concept to engineering validation, the simulation models either support investment decisions or create expensive delays. I build the technical models that do not create delays. I am an Energy Systems Engineer and Power Systems Analyst with specialized depth in renewable energy integration, grid-scale storage design, and wind energy performance modeling. My deliverables are built to be technically defensible in front of investors, lenders, and grid operators. WHAT I DELIVER — Power systems load flow, fault analysis, and protection coordination studies (ETAP) — Solar PV energy yield modeling and bankable production reports (PVSyst) — Wind farm energy yield assessment and turbine aerodynamic performance analysis (QBlade, PyWake) — Grid-scale and hybrid energy storage feasibility studies with full LCOS and financial modeling — Advanced gravity-based and kinetic storage system design and performance simulation — Renewable energy system optimization and control modeling (MATLAB/Simulink) — Life cycle and environmental impact assessment for energy infrastructure (openLCA) SOFTWARE STACK ETAP · PVSyst · QBlade · PyWake · MATLAB/Simulink · Python · openLCA · & Many more. SELECTED PROJECT EXPERIENCE Designed and modeled a 50 MW wind-integrated Underground Gravity Energy Storage system delivering 50 MWh/day. Full techno-economic output: LCOS PKR 16.09/kWh, NPV PKR 1,022M, IRR 23%, payback 4.4 years — investment-grade analysis. Currently engaged as renewable energy systems consultant for a startup. QA engineering on PowerChina's 200 MW wind power project in Oman — EPC by Huadong Engineering, JV between OQ Alternative Energy and TotalEnergies. WHO I WORK WITH EPC contractors, independent power producers, energy consultancies, research institutions, and development finance organizations that need technically rigorous simulation outputs — not templates. If your project requires defensible energy modeling, grid compliance verification, or investment-grade feasibility analysis, send me the scope.

Hi, I'm Dr. Zafar Iqbal, a Mechanical Engineer with over 15 years of industrial experience delivering engineering solutions from concept development through manufacturing and product validation. I specialize in transforming ideas into manufacturable products using modern engineering methodologies, CAD modeling, engineering simulation, design optimization, and manufacturing best practices. My experience spans consumer products, industrial equipment, automation systems, medical devices, electronics enclosures, packaging, production tooling, and custom mechanical systems. Whether you're developing a new product, improving an existing design, preparing manufacturing documentation, or solving complex engineering challenges, I provide practical, reliable, and industry-focused solutions. Core Engineering Services • Mechanical Product Design • New Product Development (NPD) • Product Engineering • Concept Development • Design for Manufacturing (DFM) • Design for Assembly (DFA) • Reverse Engineering • Machine Design • Mechanism Design • Industrial Equipment Design • Consumer Product Design • Sheet Metal Design • Plastic Part Design • Injection Mold Design Support • CNC Manufacturing Design • 3D CAD Modeling • Engineering Drawings (GD&T) • Tolerance Stack-Up Analysis • Technical Documentation • Bill of Materials (BOM) • Prototype Development • Engineering Calculations • Design Validation • Finite Element Analysis (FEA) • CFD Analysis • Motion Analysis • Structural Analysis • Thermal Analysis • Failure Investigation • Root Cause Analysis • Manufacturing Process Development • Production Engineering • Cost Reduction Engineering • Value Engineering Software Expertise • SolidWorks • Autodesk Inventor • AutoCAD • Fusion 360 • PTC Creo • Siemens NX • CATIA • ANSYS Mechanical • ANSYS Fluent • Abaqus • COMSOL Multiphysics • MATLAB • KeyShot • SolidWorks Simulation • Microsoft Project • Microsoft Office Industries • Consumer Products • Medical Devices • Industrial Machinery • Manufacturing • Robotics • Electronics Enclosures • Packaging • Automation Equipment • Renewable Energy • Automotive Components • Aerospace Components • Research & Development Deliverables ✔ 3D CAD Models ✔ Manufacturing Drawings ✔ Assembly Drawings ✔ Engineering Calculations ✔ FEA Reports ✔ CFD Reports ✔ BOM ✔ Prototype Documentation ✔ Design Review Reports ✔ Manufacturing Files ✔ STEP ✔ IGES ✔ STL ✔ DWG ✔ DXF ✔ PDF Documentation I believe successful engineering combines technical excellence, manufacturability, and clear communication. I focus on delivering practical solutions that reduce development risk, shorten product development cycles, and support successful manufacturing. Let's discuss your project and build an engineering solution that moves confidently from concept to production.

With over 18 years of experience, I am a seasoned professional in embedded and IoT product development. My expertise spans sensor-based solutions, audio algorithm development, and cloud-based SaaS solutions using AWS, GCP, and Azure. I also have extensive experience with mobile applications, including BLE apps / hardware integration over BLE developed with Flutter, ReactNative, SwiftUI, Kotlin (native development ) too. I began my career as an Audio DSP firmware engineer, specializing in digital signal processing algorithms and filter design for multichannel audio decoders and encoders, building and optimizing them for multiple DSP chipsets. This foundation led me to technical leadership roles within offshore development centers and eventually into leading product development in IoT startups. Of late, I've focused on developing analytical solutions in the smart home, Industry 4.0, and health tech sectors using nRF52, STM32 and ESP32. My key contributions include solution architecting and algorithm design for these cutting-edge applications, including BLE-powered medical device solutions. I am a process-oriented professional with deep knowledge in audio compression, data encoding, DSP Filters and post-processing algorithms. My core technical skills include: - Proficiency in C, C++, Python and Assembly programming for optimizing algorithms on resource-constrained embedded platforms. I'm also well-versed in golang and node.js. - Designing and building cloud-based analytical IoT solutions for enterprise energy management, leveraging multiple services across AWS ( including AWS IoT Core, AWS Greengrass ), GCP, and IBM Cloud. - Extensive knowledge of the BLE stack, having developed mobile applications for diverse IoT solutions and BLE-based medical devices. - Hands on experience with all BLE profiles - LE Coded PHY, 1M, indoor positioning using Beacons, AoA etc. - Experience with MQTT-based solutions, including hardware - firmware integration, integration of the solution with custom cloud platforms and GCP / AWS IoT Core. - Experience building multiple medtech / healthcare solutions - involving hardware / firmware / mobile application integrated over Bluetooth ( BLE ) and cloud applications adhering to HIPAA. Also worked with FDA / 510(k) compliance processes. - Proficiency in LoRa technology, having built embedded applications for IoT solutions primarily using LoRa EU and US frequencies. My background in developing regulated medical devices and health tech solutions makes me the ideal candidate for your project. I have extensive experience architecting and implementing secure, HIPAA-compliant solutions that integrate hardware, firmware, and mobile applications over BLE. I've successfully navigated the complexities of FDA and 510(k) compliance processes, ensuring not only technical excellence but also regulatory adherence. My skills include developing robust BLE-based medical device solutions, building analytical cloud platforms, and optimizing firmware for performance and reliability. I can offer both the deep technical skills and the critical regulatory knowledge required to bring your innovative medical product to market safely and effectively. As a specialist in wireless communication protocols for IoT, I can provide the targeted expertise you need for your project. My extensive hands-on experience with the entire BLE stack—including AoA, LE Coded PHY, and indoor positioning with Beacons—allows me to tackle even the most complex integration challenges. I've developed numerous mobile applications that seamlessly integrate with BLE hardware, ensuring a smooth and reliable user experience. I am also highly proficient in LoRa technology, having built complete embedded applications for EU and US frequencies. Whether you need to optimize a high-performance BLE application or build a long-range LoRa network, I have the in-depth knowledge to deliver a top-tier solution. As you can see, I have over a decade of experience in leadership roles, having led cross-functional offshore teams, including managing groups of 20 or more engineers and QA professionals. I'm eager to take up the next Upwork project and contribute my skills / experience to a highly competitive team.

As an Electrical/Electronics Engineering graduate and passionate IoT/AI enthusiast, I bring nearly seven years of hands-on experience in embedded systems, Arduino, ESP, and sensors. Throughout my career, I have adeptly coded microcontrollers, including Arduinos, ESP Family, STM32/GD32, and Raspberry Pi, seamlessly integrating them with various hardware modules such as RFID, GSM, Bluetooth, GPS, and LCDs. I have spearheaded core electrical engineering projects leveraging advanced machine learning algorithms like Decision Trees and Clustering for system optimization and efficient design. My proficiency extends across programming languages including C/C++, Python, and MATLAB, enabling me to tackle diverse challenges easily. Additionally, my expertise encompasses a wide array of domains ranging from probability and statistics to signal analysis, digital logic design, power system analysis, and more. I boast strong proficiency in MS Office tools, leveraging them adeptly for comprehensive project documentation. Notable projects in my portfolio include: - Disaster minimization through Home automation - Efficient islanding detection techniques - Clustering analysis for power grids - WiFi-based relay control system - Client-server message exchange utilizing the HTTPS button - MQTT pump controller implementation - Energy meter data logging solutions - Automatic flushing system design for settling basins With a blend of theoretical knowledge and practical skills, I am poised to deliver innovative solutions and drive excellence in the field of embedded systems and IoT.