Hire the best freelance Microcontrollers expert designers for your company

R&D / Electromechanical Engineer / Product & Prototype Development / Mechanical, Electronics, PCB & Software Design / Inventor – Turning Innovative Ideas into Real Devices / Open to Full-Time or Contr... Read more

R&D / Electromechanical Engineer / Product & Prototype Development / Mechanical, Electronics, PCB & Software Design / Inventor – Turning Innovative Ideas into Real Devices / Open to Full-Time or Contract Roles

I design electronic products, combining PCB design, embedded hardware and enclosure development. Main focus is helping to design products that are ready for manufacturing and real usage. I am student... Read more

I design electronic products, combining PCB design, embedded hardware and enclosure development. Main focus is helping to design products that are ready for manufacturing and real usage. I am student of Faculty of Electrical Engineering, where I learned and worked with software for designing and simulating semiconductor components, such as diodes, MOSFETs etc, as well as PCB design, embedded programming and embedded hardware development. Also, I have experience in jobs in the profession as I worked as R&D engineer, where my main focus was embedded programming and hardware development and as test engineer, where my main focus was to test electronic devices on various tests that aligns with test that are done in certification houses to check if devices would pass those certification house test and internal standards, such as EMI, resistance to electrical disturbances and many more. My portfolio includes: -various development boards (with STM32 and ESP32 microcontrollers); -USB 2.0 Hub with 4 outbound USBs, with full enclosure design; -Clock project with RP2040 microcontroller, light sensor, addresable LEDs, with full enclosure design; -ESP32 IoT project - includes relay, LED driver, humidity and temperature sensor, GPIO pins for additional peripherals; -Buck Converter - 9-36V input to 5V output with main focus on automotive compatible components. Skills I gained over the years while studying and working on jobs in the profession are: -PCB (Schematic, Layout) Design; -Embedded Hardware Design; -Microcontroller-Based Systems (STM32, ESP32, RP2040); -Power Supply Design; -Enclosure Design; -Prototype Development; -DFM; -Product Integration; -Hardware Debugging. Software I am skilled in: -Altium Designer; -KiCad; -EasyEDA; -Solid Edge; -LTSpice.

Final-year Bioengineering student with experience in designing and developing custom electronic devices, mechanical prototypes, and 3D printed parts. Skilled in CAD design, electronics, microcontrolle... Read more

Final-year Bioengineering student with experience in designing and developing custom electronic devices, mechanical prototypes, and 3D printed parts. Skilled in CAD design, electronics, microcontrollers, and signal processing. Projects include EMG-based hand gesture recognition, chiller system design, and custom sports/rehabilitation equipment. Detail-oriented, creative, and committed to delivering accurate, functional, and client-focused solutions.

18+ years of experience in electronic design. 100+ major design projects delivered. 200+ happy clients served. Whatever your electronic design needs are, reach out for a quick chat, you will not regre... Read more

18+ years of experience in electronic design. 100+ major design projects delivered. 200+ happy clients served. Whatever your electronic design needs are, reach out for a quick chat, you will not regret it! What to expect: ✅Top quality design that not only meets and exceeds your requirements but can also handle those unexpected conditions that make quality products stand out from the rest. ✅Rigorous design test and measurement that leaves nothing unchecked, keeping in mind not only your interests but also those of your end customers. ✅A design that is optimized and ready for manufacturing with parts readily available. ✅Exhaustive documentation and support so you can make best use of all deliverables. ✅A flexible service that can take care of all phases in the design and prototyping process or just those parts that you prefer. ✅Long-term availability for changes, revisions, and support. ✅Above all, an honest and friendly collaboration that you can trust. I invite you to reach out to discuss your project's unique needs. Regardless of your technical background, I am here to transform your product idea into a tangible reality, employing the most efficient and cutting-edge technology. My services extend beyond design, offering assistance in defining complete project requirements, recommending suitable technology, and guiding your product to production. I can also connect you with reliable suppliers and provide unwavering technical support throughout the entire process. As a full-time freelance engineer, having worked with clients from all over the world in very diverse applications, I’ve been able to gain a broad experience in electronic design. The designs I’ve produced over the years range from the simplest of designs to very complex high-density designs at the cutting edge of technology. I have gained experience with a variety of microcontrollers, processors, sensors, interfaces, protocols, and design architectures. I’ve also been able to utilize a variety to PCB technologies ranging from multilayer rigid, HDI, flexible, rigid-flex, metal-core, as well as exotic materials such as stretchable PCB. Throughout the years I’ve also invested significantly in a spacious lab and equipment for both prototyping (including pick-and-place, reflow oven and advanced JBC soldering equipment) as well as professional test and measurement equipment (including oscilloscopes, spectrum analyzers, VNA, bench meters, electronic loads, waveform generators, ECG simulator, thermographic imaging, and data loggers), all from reputable brands (Keysight, Teledyne-Lecroy, FLIR, Fluke, Tektronix, Pico,…). My vision is to produce top quality designs with a ‘whatever it takes’ attitude and am willing to invest effort and financially in ensuring that I am well equipped to do so. Some of the specific experiences include: Software tools: Altium Designer (my primary EDA), KiCad, Eagle, Proteus; SolidWorks; Ansys, Keysight-ADS, COMSOL; VS Code, Visual Studio, PyCharm, IntelliJ; Keil MDK Arm, GCC, IAR, CodeComposer, Microchip Studio; Quartus Prime, Xilinx ISE; Programming languages: Embedded C, C++, C#, Python, Rust, Java, VHDL, Bash scripts, PHP, javascript… Microcontrollers/SoC: STM32 (often preferred), ATSAM, STM8, nRF5x (often preferred for BLE applications), EPS32, CH32 (RISCV), C2000, CC2642, CC13xx, PIC16/18, AVR, MPS430, RP2040, i.MX, A20/50, RK35xx, MAX78000, … Protocols/Buses: RS485/422, USB, UART, SPI, I2C, CAN, LVDS, DDR; Modbus, NMEA2000, MQTT, … Common design features: - BLE / Wi-Fi with custom PCB trace antenna, fully simulated and tuned on prototypes. - USB charge circuit for Li-Ion battery, including fast charging. - Battery protection circuits and cell balancing. - PoE source/device/injector designs with necessary protocol handshakes. - ARM embedded processor design running embedded Linux system. - RTD measurement circuits, 3/4 wire, 24 bit, PGA and filtering. - ECG, EOG, EEG monitoring wearable designs. - IMU motion tracking with sensor fusion and quaternion streaming. - GNSS location tracking, including high precision RTK modes. - Audio capture, filtering, processing, and amplification. - DC/DC converters in various topologies including buck, boost, buck-boost, SEPIC, CUK, H-Bridge, cascaded, multi-phase. AC/DC converters (flyback, feed-forward, …). DC/AC inverters, BLDC control… - LED driving with attention to color rendering and thermal management. - Solar MPPT controller. - UHF long range wireless designs, LoRa, Sigfox. Cellular interfaces 4G, LTE, NBIoT, LTEM. My commitment to excellence, innovation, and collaboration has been the cornerstone of my career. I look forward to the opportunity to bring your vision to life, leveraging my extensive skill set and passion for electronic design. Feel free to contact me to embark on a successful journey together.

I am an Electronics Hardware and Embedded Systems Engineer with hands-on experience in schematic design, PCB layout, embedded hardware, sensor integration, and wireless communication. I have worked o... Read more

I am an Electronics Hardware and Embedded Systems Engineer with hands-on experience in schematic design, PCB layout, embedded hardware, sensor integration, and wireless communication. I have worked on IoT Gateway projects using Quectel Cat-1/Cat-4 modules, ESP32 and Microchip processors, along with RS-485, Ethernet, Wi-Fi, and BLE interfaces. My experience also includes power management, sensor interfacing, analog circuits, and hardware bring-up. I have also worked on a wearable AR/VR haptic-feedback device using flex sensors, wireless communication, and haptic actuators, covering both hardware and firmware integration. My main tools include Altium Designer and KiCad. I can handle projects from schematic capture and component selection through PCB layout, DRC, Gerber generation, BOM, manufacturing files, prototype bring-up, and hardware debugging. I focus on practical, reliable, and manufacturing-ready designs rather than just completing the PCB layout.

I am a Mechanical Engineer with a specialization in Mechatronics and Product Development, focused on turning ideas into functional prototypes and technology products. My work combines CAD design, Fus... Read more

I am a Mechanical Engineer with a specialization in Mechatronics and Product Development, focused on turning ideas into functional prototypes and technology products. My work combines CAD design, Fusion 360, 3D printing, electronics, embedded systems and software development. I enjoy working across disciplines, from designing functional mechanical parts and electronic enclosures to integrating ESP32 microcontrollers, sensors, batteries and connected applications. I have developed complete prototypes involving ESP32-based electronics, Hall and PVDF sensors, Bluetooth Low Energy (BLE), custom 3D-printed components and Flutter mobile applications. I have also designed functional CAD parts including electronic enclosures, threaded assemblies, modular systems and components optimized for FDM 3D printing. My main areas of work include: • Product development and prototyping • Fusion 360 and parametric CAD • Electronic enclosures and functional parts • Design for 3D printing / FDM • Mechanical fit, tolerances and assemblies • ESP32, sensors and embedded electronics • IoT and BLE-connected products • Flutter mobile and desktop applications I am particularly interested in projects where a client has an idea, sketch, electronic prototype or PCB and needs help transforming it into a practical, well-designed physical product.

Mechatronics engineering. Mechanical engineering and CAD specialist. Part modeling, machine and electro-mechanical system design. Gadget design and programming. Cnc machine design(mills, automatic... Read more

Mechatronics engineering. Mechanical engineering and CAD specialist. Part modeling, machine and electro-mechanical system design. Gadget design and programming. Cnc machine design(mills, automatic welders, drills, plotters, 3D printing, lathes) Convert pdf, jpg to technical drawings and 3D models. I am actively programming microcontrollers for the past 5 years(c, c++, java, python). PLC programming and automatisation. I have been an active member of some national projects: Montenegrin Wearable Robots Formula Student Montenegrin Autonomous Vehicles In these projects my role was designing electro-mechanical systems, 3D/2D/tehnical drawing, microcontroller programming.. My finishing project on faculty was cnc plotter machine, with A3 format of drawing/writing. Currently, I am working on 5 axis cnc metal milling machine for my master thesis.

Hello, Everyone! I am an embedded systems engineer, PCB designer, and firmware developer with over 10 years of professional experience. I provide complete, end-to-end solutions for a wide range of ele... Read more

Hello, Everyone! I am an embedded systems engineer, PCB designer, and firmware developer with over 10 years of professional experience. I provide complete, end-to-end solutions for a wide range of electronic device designs, supporting clients from initial concept and schematic design to PCB layout, prototyping, assembly, and full system testing. I have strong expertise in high-speed PCB design, including PCIe and DDR4 routing, as well as precise impedance matching for reliable performance at high frequencies. I also specialize in RF and antenna design for modern IoT devices, ensuring optimal signal integrity and system efficiency. In addition, I have deep experience in ultra-low power design, achieving microamp and sub-microamp current consumption for battery-operated and wearable systems. I specialize in firmware development for LTE-GPS-LoRa-BLE-based embedded systems (nRF52 series), including low-power optimization and high-precision sensor acquisition. My focus is on delivering robust, production-ready solutions with high reliability and performance. 🔥 Main Skills 👉Embedded Systems 👉Schematic Circuit Design(Low Power consumption Design) 👉Firmware Development(All Microcontrollers-STM32, TMS320, ESP32, FPGA, nRF52, Raspberry PI) 👉PCB Design(High speed signal routing, PCIe, DDR4, 18 multi-Layers Design, RF antenna Design,) using Altium Designer, KiCad, EasyEDA, Fusion 360(No problem in DFM-JLCPCB) 👉IoT with nRF52(BLE), LoRa(for example, SX1262), LTE(SIM card interface), GPS and other variety of sensors 🛠️Tools & Technologies: 👉 nRF5 SDK / nRF Connect SDK 👉SEGGER Embedded Studio + J-Link debugging 👉 C/C++ (bare-metal & RTOS) 👉 BLE GATT, LTE AT commanders, custom wireless protocols 👉SPI / I2C / UART / ADC integration 👉Low-noise measurement systems (nA level) 👉STM32CubeIDE, Cube MX, Keil, CCS, Arduino, ... 👉MQTT, Free RTOS, Zephyr RTOS 🚀 I can support your project from concept to production.

Thank you for visiting my profile. My name is Marko Aleksic, a dedicated electronic hardware and firmware engineer specializing in creating innovative and high-quality solutions for electronic product... Read more

Thank you for visiting my profile. My name is Marko Aleksic, a dedicated electronic hardware and firmware engineer specializing in creating innovative and high-quality solutions for electronic product development. I am passionate about transforming ideas into reality through meticulous design and development -Core Competencies: -PCB Design & Development: Expert in designing reliable, high-performance printed circuit boards (PCBs). Specialization in power supply circuits (DC-DC, AC-DC conversions) and multilayer designs for embedded systems. Proven track record in developing efficient LED driver circuits and RF PCB layouts. -Firmware Development: Extensive experience programming microcontrollers including STM32, DSPIC, ESP32 and ESP8266. Mastery of communication protocols such as UART, SPI, Ethernet, USB, CAN, and MODBUS for seamless integration. Proficient in implementing wireless technologies including Wi-Fi, Bluetooth, and ZigBee. -RF Design & Analysis: Strong capabilities in RF circuit design, antenna optimization, and simulation for applications like WiFi, Bluetooth, and RFID. Expertise in developing RF filters, splitters, transceivers, and power amplifiers tailored to specific application needs. I am committed to delivering cost-effective, high-quality solutions without compromising performance or deadlines. I welcome the opportunity to connect and discuss how I can contribute to your projects.

Electrical Engineering Professional with over 3 decades of experience in the System-Level Architecture and Design of Radio Frequency (RF / Microwave / mmWave), Power Conversion (Linear and SMPS), Anal... Read more

Electrical Engineering Professional with over 3 decades of experience in the System-Level Architecture and Design of Radio Frequency (RF / Microwave / mmWave), Power Conversion (Linear and SMPS), Analog Mixed-Signal, Quantization and Linearization, Phase Lock Loops (PLLs) and Servo Control Systems, Motion-Control (Robotics), Digital Logic (FPGAs) and State Machines, Embedded (MCU, CPU, GPU, DSP, SoC), Electro-Magnetics (EMC), Electro-Optical (Video delivery, Displays, High Resolution Visible / IR / UV Cameras), and Electro-Mechanical disciplines for Space, Aerospace, Military, Defense, Aviation (Avionics), Medical, Marine, Automotive, Locomotive, Transportation, Industrial, Consumer, Wearables, Commercial, High Performance Computing, Data Communications, LAN/SAN/WAN, Telecommunication, Wireless Charging & IoT Sensors, Radio, Broadcast, and Motion Picture industries

I am an Electronics and Communication Engineer with experience in electronic hardware design, PCB design, embedded systems, and IoT development. I specialize in designing reliable electronic circuits,... Read more

I am an Electronics and Communication Engineer with experience in electronic hardware design, PCB design, embedded systems, and IoT development. I specialize in designing reliable electronic circuits, creating professional PCB layouts, and developing embedded solutions using Arduino, ESP32, and microcontrollers. My technical skills include PCB design, circuit design, embedded programming, RF PCB design, IoT systems, industrial automation, and hardware debugging. I also have experience using Altium Designer, KiCad, CST Microwave Studio, and Proteus for schematic capture, PCB layout, and RF simulation.

(Mechanical CAD Engineer | SolidWorks | AutoCAD | Fusion 360 | Creo | Inventor | 3D Modeling | Product Design | Reverse Engineering | Manufacturing Drawings) Looking for a Mechanical CAD Engineer w... Read more

(Mechanical CAD Engineer | SolidWorks | AutoCAD | Fusion 360 | Creo | Inventor | 3D Modeling | Product Design | Reverse Engineering | Manufacturing Drawings) Looking for a Mechanical CAD Engineer who can transform your concept into a production-ready design? I provide professional Mechanical CAD and Product Design services for startups, inventors, manufacturers, engineering firms, and businesses that need precise, manufacturable CAD models and technical documentation. Whether you have a rough sketch, hand drawing, PDF, image, or an existing model that needs improvement, I can deliver accurate engineering solutions tailored to your project. Using industry-leading software including SolidWorks, AutoCAD, Fusion 360, PTC Creo, and Autodesk Inventor, I create high-quality 2D drawings, 3D CAD models, assemblies, engineering documentation, and manufacturing files that are ready for fabrication, CNC machining, laser cutting, injection molding, or 3D printing. Services I Offer: ✔ Mechanical Design ✔ 2D CAD Drafting ✔ 3D CAD Modeling ✔ Product Design & Development ✔ Reverse Engineering ✔ Manufacturing Drawings ✔ Assembly Design ✔ Exploded Assembly Drawings ✔ Engineering Drawings ✔ Technical Documentation ✔ Machine Part Design ✔ Industrial Product Design ✔ Sheet Metal Design ✔ Surface & Solid Modeling ✔ Parametric CAD Modeling ✔ Prototype Design ✔ Design for Manufacturing (DFM) ✔ Bill of Materials (BOM) ✔ CAD File Conversion ✔ PDF/Image/Sketch to CAD ✔ STL, STEP, IGES, DWG & DXF File Creation ✔ 3D Printing Files ✔ CNC Manufacturing Drawings ✔ Product Rendering & Visualization Software Expertise: • SolidWorks • AutoCAD • Autodesk Fusion 360 • Autodesk Inventor • PTC Creo • CATIA • Siemens NX • Blender • KeyShot Why Choose Me? ✔ Manufacturing-ready CAD models ✔ Accurate dimensions and GD&T where required ✔ Clean, organized engineering files ✔ Fast communication and regular updates ✔ High attention to detail ✔ Support from concept to final production ✔ Reliable turnaround and on-time delivery Whether you need a single mechanical component, a complete product assembly, reverse engineering of an existing part, or detailed manufacturing documentation, I deliver accurate, functional, and production-ready designs that meet industry standards. Let's turn your idea into a professional engineering solution.

I help product developers and small businesses turn electronic concepts into practical, manufacturing-ready PCB designs. My capabilities include schematic capture, component selection, PCB layout, de... Read more

I help product developers and small businesses turn electronic concepts into practical, manufacturing-ready PCB designs. My capabilities include schematic capture, component selection, PCB layout, design review, and production-file preparation using KiCad, EasyEDA, and Fusion 360 Electronics. I specialise in ESP32 and microcontroller-based hardware, IoT devices, sensor interfaces, communication circuits, control systems, and power-supply integration. I have hands-on experience taking designs beyond the CAD stage, including ordering assembled PCBs, testing prototypes, troubleshooting hardware, and improving designs based on real test results. My services include: • Schematic capture and PCB layout • ESP32 and embedded-hardware design • PCB review and design improvement • Component selection and BOM preparation • Gerber, drill, pick-and-place, and assembly files • Design-for-manufacturing checks • Prototype troubleshooting and revision I prioritise clear communication, practical engineering decisions, component availability, manufacturability, and organised project documentation. If you have a product idea, existing schematic, or PCB that needs improvement, send me your requirements and I will assess the most effective path forward.

I am a multidisciplinary engineer specializing in the integration of mechanical design, electronics, and software development to deliver complete, real-world engineering solutions. With a strong found... Read more

I am a multidisciplinary engineer specializing in the integration of mechanical design, electronics, and software development to deliver complete, real-world engineering solutions. With a strong foundation across these domains, I bring a systems-level perspective that allows me to design, prototype, and implement projects from concept to deployment. On the mechanical side, I have extensive experience in CAD design, product development, and manufacturing-ready solutions. I focus on creating efficient, practical designs that consider real-world constraints such as materials, fabrication methods, and cost optimization. In electronics, I work with embedded systems, PCB design, and hardware integration. I am comfortable developing schematics, selecting components, and ensuring reliable communication between hardware and control systems. On the software side, I develop firmware and control logic for embedded devices, as well as higher-level applications for automation, data acquisition, and system monitoring. I have experience working with microcontrollers, PLCs, and industrial communication protocols, enabling seamless integration between hardware and software systems. What sets me apart is my ability to bridge these disciplines. Instead of treating mechanical, electrical, and software components separately, I design them as a unified system—resulting in more robust, efficient, and scalable solutions. I have worked on projects ranging from industrial automation and embedded systems to custom machinery and prototyping. I collaborate effectively with cross-functional teams, including mechanical engineers, electrical engineers, and software developers, ensuring smooth communication and successful project delivery. If you are looking for someone who can take ownership of a project end-to-end, reduce complexity, and deliver practical engineering solutions, I would be glad to help bring your ideas to life.

I am Md. Sanowar Hossin, an Electrical and Electronic Engineer with 13+ years of experience in electronics R&D. I specialize in high-quality PCB design and embedded systems development. My expertise i... Read more

I am Md. Sanowar Hossin, an Electrical and Electronic Engineer with 13+ years of experience in electronics R&D. I specialize in high-quality PCB design and embedded systems development. My expertise includes advanced PCB layout using Altium Designer, KiCad, EasyEDA, and Eagle. i was completed more then 1000 PCB Design for my clients. I work with Analog, Digital, Power Electronics and Microcontroller based systems. I have a deep background in microcontroller programming, having successfully completed numerous projects using AVR and PIC architectures, specifically the PIC16F, ATmega8, and ATmega16 series. Additionally, I am highly proficient in developing IoT and wireless solutions using Arduino, ESP8266, and ESP32 microcontrollers. I provide for client: * PCB Design (Single-layer, Double-layer, Multi-layer) * Reverse Engineering * Schematic Design from physical boards or images * Gerber, BOM, and Pick & Place File * Arduino and Embedded Hardware and programming. * PIC/AT-Mega Microcontroller Based Embedded system Hardware and programming. * DFM (Design for Manufacturing) * Component Placement and Routing Optimization * Silkscreen, Drill Files, and Layer Stackups * ESP32 Design * Gerber Files I provide unlimited reviews for my client.

In any robotics or embedded system project, hardware design is the backbone of success. A single design mistake can cause failures, but a well-structured circuit and PCB can maximize performance, reli... Read more

In any robotics or embedded system project, hardware design is the backbone of success. A single design mistake can cause failures, but a well-structured circuit and PCB can maximize performance, reliability, and efficiency. If you want to enhance your robot’s performance or ensure your control system runs smoothly — you’re in the right place! I’m Reem, an Electronics & Communications Engineering student with strong interest and hands-on experience in circuit design and PCB layout. I’ve worked on multiple projects using ESP32, Arduino, IR sensors, and motor control, where I handled schematic design, PCB layout, and manual fabrication. Alongside my technical background, I also support clients with professional document design, including Word files, PowerPoint presentations, and Canva slides — perfect for showcasing your technical work or training content clearly and attractively. 🔹 Services I Provide: Circuit design & simulation PCB layout (single & multi-layer) Component selection & datasheet analysis Embedded systems integration (ESP32, Arduino, microcontrollers) Preparing training materials & educational content Technical writing & structured documentation Designing Word and PowerPoint files with clear, professional formatting I aim to deliver reliable, well-documented, and organized work, with clear communication and a client-focused approach to ensure satisfaction and high-quality results. Let’s talk about your project! I’d love to understand your idea and help you turn it into a practical, efficient hardware solution. Feel free to reach out. I’m always happy to discuss your goals and suggest the best path forward.

I am an Electronics and Embedded Systems Engineer specializing in PCB design, schematic development, and microcontroller firmware programming. I help clients turn electronic product ideas into reliab... Read more

I am an Electronics and Embedded Systems Engineer specializing in PCB design, schematic development, and microcontroller firmware programming. I help clients turn electronic product ideas into reliable and manufacturable hardware solutions. My experience includes designing PCB layouts, selecting components, preparing BOM and production files, and developing embedded firmware for STM32 and ESP32 microcontrollers. My services include: • Schematic design and PCB layout • Altium Designer projects • STM32 and ESP32 firmware development • Embedded C/C++ programming • Sensor, display, and actuator integration • UART, SPI, I2C, CAN, and Modbus communication • Component selection and BOM preparation • Gerber and manufacturing file preparation • Hardware debugging and prototype improvement • Design for Manufacturing and Assembly I focus on clear communication, organized project files, practical engineering solutions, and designs that are ready for prototyping and production. I am available for PCB design, embedded firmware, IoT hardware, product prototyping, and electronics development projects.

Hello! I am an experienced electrical engineer and PCB designer with over 10 years of expertise in developing innovative, reliable, and high-quality electronic solutions across diverse industries. Hol... Read more

Hello! I am an experienced electrical engineer and PCB designer with over 10 years of expertise in developing innovative, reliable, and high-quality electronic solutions across diverse industries. Holding a bachelor’s degree in electrical engineering, I have a proven track record of designing, developing, and deploying advanced circuits, embedded systems, and IoT devices. What I Bring to Your Project: • PCB Design & Layout: Skilled in schematic capture and PCB layout using Altium Designer, Cadence, PADS Mentor Graphics, KiCad, EasyEDA, and RapidHarness. I have extensive experience designing multi-layer (up to 24 layers), high-density, HDI PCBs suitable for medium and high-volume production. I am familiar with manufacturing processes including JLCPCB for PCB fabrication and local support within China to facilitate manufacturing, prototype assembly, and quick revisions. I am committed to providing results on time and maintaining clear, prompt communication with clients. • Microcontroller & Firmware Development: Proficient in programming STM32, ESP32, PIC, AVR, STM8, and STC microcontrollers using Keil, STM32CubeIDE, VSCODE, MPLAB X IDE, and more. I excel in developing firmware for IoT, automation, and embedded systems. • IoT & Wireless Communication: Expertise integrating Bluetooth, BLE, LoRa, NB-IoT, RFID, WiFi (4G), MQTT, and other protocols into embedded systems. • Sensor & Display Systems: Development of color screens, segment displays, touch panels, and interface solutions for user-friendly product experiences. • Communication Protocols: Extensive experience with I2C, SPI, UART, CAN, RS232/485, Modelbus RTU, IR, RF (433/315 MHz, 2.4G, 4G, LoRa). • Reverse Engineering & Troubleshooting: Capable of analyzing, debugging, and optimizing complex circuits. • Power & Multimedia Systems: Power management circuits, LED lighting, audio devices, sensors, and multimedia integration. • Support for China Local Manufacturing(PCBWAY, JLCPCB): In addition to design, I offer local support within China to facilitate manufacturing, prototype assembly, and quick revisions. This ensures smooth collaboration and shorter lead times Why Work With Me: I am passionate about delivering precise, innovative, and reliable designs tailored to your specific needs. I prioritize quality, efficiency, and clear communication to ensure your project’s success — from prototype to production. I am committed to providing results on time and responding promptly to any client inquiries, ensuring smooth and efficient collaboration.

Embedded systems architect with extensive experience designing, developing, and mass-producing mission-critical electronic products for the energy, utilities, security, and oil & gas sectors. I've su... Read more

Embedded systems architect with extensive experience designing, developing, and mass-producing mission-critical electronic products for the energy, utilities, security, and oil & gas sectors. I've successfully delivered 8+ commercial hardware products currently deployed at scale across hundreds of field units. My work spans the full product lifecycle — from concept and R&D, through circuit design and PCB layout, to firmware development and mass manufacturing. Core expertise: - Microcontrollers: ESP32, STM32, ARM Cortex, Arduino - PCB Design: from schematic to production-ready Gerbers - Firmware: C/C++, FreeRTOS, OTA remote updates, MQTT, device drivers - Communication: LoRa, BLE, Wi-Fi, Cellular (2G/3G/4G), Satellite, VHF, RS485 - Sensors: Ultrasonic, seismic, acoustic, optical, temperature, pressure, current/voltage - IoT & Cloud: AWS IoT, MQTT, web dashboards - Power: Solar, ultra-low power design, battery management, energy harvesting All my firmware deliverables include a built-in OTA (Over-The-Air) update system with a web-based MQTT management interface — fully developed and field-tested across hundreds of devices. Highlights: - 3 technology patents (gas metering, ultrasonic measurement, optical coding) - Petrobras Inventor of the Year award - National Innovation Award (CNI - Brazil) - International publication (Society of Petroleum Engineers) - Postgraduate specialization in Artificial Intelligence I deliver production-ready solutions — not just prototypes.

I enjoy binding different branches of engineering together, so that's why I chose to be Mechatronics and control engineer. In Mechatronics, you play with electronics, mechanics, programming, and contr... Read more

I enjoy binding different branches of engineering together, so that's why I chose to be Mechatronics and control engineer. In Mechatronics, you play with electronics, mechanics, programming, and control theory to make superb applications and products. The name of the game is successful integration between different domains, which is a missing skill searched by many engineers, and needed by many Start-ups. I am new here, but I have finished more than 60 freelancing tasks and missions in other sites. I have used PIC microcontroller and Arduino to implement so many projects, and I have even used them to make commercial products. I have the talent of integrating embedded systems with electronics and GUI interface to make a complete application. I used microcontrollers in applications like: Sensors Interfacing (GPS-Motion-Encoder-Light-Temperature-Level-Pressure-Vibration-Position) - CNC machine control - Proportional and on/off temperature controllers - Level controller - Power metering IC interfacing (Experience with ADE7953) - Wifi & IoT - GSM - SD card interfacing. Moreover, I have experinece in making integrated system between Raspberry pi and Arduino for applications that need so. Moreover, I have made many projects that involve signal electronics, power electronics, sensors and measuring systems, and signal conditioning. In addition, I and my team can give you support if you want a PCB design and soldering for your circuit. Regarding control and automation, I am finished master study in automatic control theory, and I have experience in designing embedded controllers - automatic control theory and applications - adaptive control - autotuners - system modeling & simulation- system Identification and parameters estimation - system dynamic response analysis - pole placement controllers - PID controllers - Scilab & Matlab software packages . In addition, I can give you support in PLC systems and ladder diagram programs for controlling industrial processes. In addition, I am using Java as GUI interface for my applications, so I have experience in how to make a java GUI program and to control an embedded system using it. I made several projects where I used Java to monitor sensor values, or to send control commands to electronic circuits. ِAlso I have worked before with Java libraries that serve scientific applications, like EJML matrix algebra library, JArduino (java for arduino) library, JFreeChart plotting library, ImageJ image processing libary, RXTX serial communication library, etc...

I am an Electronics and Embedded Systems Engineer specializing in PCB design and hardware development. I design reliable, efficient, and production-ready electronic systems—from concept and schematic... Read more

I am an Electronics and Embedded Systems Engineer specializing in PCB design and hardware development. I design reliable, efficient, and production-ready electronic systems—from concept and schematic design to PCB layout and prototyping. My experience includes working with microcontrollers, embedded firmware, and circuit design for a variety of applications. I focus on delivering high-quality designs that meet performance, cost, and manufacturability requirements. I can help with: Schematic design and circuit development PCB layout (2-layer to multi-layer) Embedded systems design and firmware integration Prototyping and testing Design for manufacturing (DFM) I am committed to clear communication, fast turnaround, and delivering solutions that work in real-world conditions.

I’m a passionate and results-driven Robotics and Mechanical Design Engineer with a strong background in CAD design, 3D modeling, embedded systems, and automation. With over 5-years of experience in de... Read more

I’m a passionate and results-driven Robotics and Mechanical Design Engineer with a strong background in CAD design, 3D modeling, embedded systems, and automation. With over 5-years of experience in designing and building robotic systems, I specialize in creating efficient, innovative, and production-ready solutions for real-world challenges. Key Skills & Tools: CAD & 3D Modeling: Expert in Fusion 360, AutoCAD, and SolidWorks for mechanical design, prototyping, and fabrication drawings. Robotics Systems: Extensive experience with ROS and ROS 2 for developing scalable, modular robotic systems with real-time control, navigation, and simulation capabilities. Microcontroller Programming: Proficient in C/C++ for Raspberry Pi Pico, ESP32, and other microcontrollers, using I2C, ADCs, PWM, and communication protocols. Embedded Real-Time OS: Advanced skills in FreeRTOS with multitasking, semaphores, queues, and synchronization for high-performance robotic applications. Electronics Integration: Experience designing PCB layouts and integrating sensors, actuators, and control logic into complete systems. IoT & Web Interfaces: Building React Native mobile apps and web dashboards to monitor and control robotic systems in real time. 3D Printing: Turning 2D sketches and concepts into optimized, print-ready 3D models for functional prototypes. Highlighted Projects: SCARA Robot with ROS 2 & FreeRTOS: Developed a fully functional SCARA robotic arm using ROS 2 nodes for modular control, real-time FreeRTOS for task scheduling, and a custom mobile interface. ROS-Based Sensor Networks: Implemented multi-sensor systems using ROS 2 for real-time monitoring and data aggregation in robotic applications. Smart Monitoring Systems: Created real-time sensor-based monitoring systems with Raspberry Pi Pico, including data logging and wireless communication. Mechanical Design Projects: Engineered professional-grade designs for tools, consumer products, and custom robotic components in Fusion 360. CAD Support for Fabrication: Produced shop drawings, layout plans, and 3D structural models for industrial fabrication and construction support. I’m dedicated to solving complex engineering challenges through innovation, precision, and clear communication. Whether you need expert support in ROS, CAD modeling, or embedded control systems, I’m here to deliver high-quality results that exceed expectations. Let’s build something incredible together!

As a PCB designer my area of expertise includes High Speed PCB Layouts, Rigid/Flex/Mix Signal/RF/Embedded Systems/Analog/Control Impedance/Power PCB's expert. Schematic Capture/Bill of Materials/Rever... Read more

As a PCB designer my area of expertise includes High Speed PCB Layouts, Rigid/Flex/Mix Signal/RF/Embedded Systems/Analog/Control Impedance/Power PCB's expert. Schematic Capture/Bill of Materials/Reverse Engineering/PCB fabrication/Concept to Assembled PCB service. For PCB Designing, i use different Softwares including Allegro, Altium and Kicad. I do FPGA and Microcontrollers programming as well by using ISE suite Design and Microcontrollers IDEs. I can Simulate MCU by using Proteus.

Hey there! 👋 I'm an Electronics Engineer specialized in Hardware Circuit Design and PCB layout Up to 4-Layer PCBs. I have experience in embedded hardware, PCB design (Schematics and layout). I worked... Read more

Hey there! 👋 I'm an Electronics Engineer specialized in Hardware Circuit Design and PCB layout Up to 4-Layer PCBs. I have experience in embedded hardware, PCB design (Schematics and layout). I worked on various number of IOT projects Utilized Microcontrollers, Buck converters, High speed projects with considering Signal integrity. 🔴 Softwares - Altium Designer - KiCad

About Me I am a dedicated Electronics Engineer and Embedded Systems Developer with a strong passion for creating innovative hardware solutions. With 3+ years of hands-on experience, I have successful... Read more

About Me I am a dedicated Electronics Engineer and Embedded Systems Developer with a strong passion for creating innovative hardware solutions. With 3+ years of hands-on experience, I have successfully delivered numerous projects for clients across the globe, ranging from simple sensor boards to complex IoT devices and industrial control systems. My Journey My journey into electronics began with a fascination for how things work at the circuit level. This curiosity led me to pursue a degree in Electronics Engineering, where I developed a strong foundation in analog and digital circuit design, signal processing, and control systems. Over the years, I have honed my skills in PCB design and embedded programming, allowing me to bridge the gap between hardware and software seamlessly. What I Offer I offer complete hardware product development services. This means I can take your idea—whether it's a rough sketch on a napkin or a detailed specification document—and turn it into a working prototype. My services include: Circuit Design & Simulation: I design robust circuits using industry-standard tools. I perform thorough simulations using LTspice, Proteus, MATLAB/Simulink, and NI Multisim to ensure performance and reliability before moving to PCB layout. PCB Layout & Design: I specialize in creating professional, manufacturable PCBs. Whether you need a simple 2-layer board or a complex 6-layer high-speed design, I ensure signal integrity, thermal management, and EMC compliance. I am proficient in Altium Designer, KiCad, Eagle, and EasyEDA. Embedded Firmware Development: I write efficient, reliable C/C++ code for a wide range of microcontrollers. I have deep expertise in the STM32 ecosystem, using STM32CubeMX for configuration and initialization code generation, STM32CubeIDE for development, and STM32CubeProgrammer for flashing and debugging. I also work with Keil uVision, Arduino IDE, PlatformIO, and VS Code. IoT Solutions: I design complete IoT hardware solutions, including sensor integration, wireless communication (WiFi, Bluetooth, LoRa), and power management. Prototyping & Testing: I can assemble and test your prototype, providing you with a working proof of concept. I also offer debugging and troubleshooting services. Documentation: I provide comprehensive documentation, including schematics, layout files (Gerber, BOM), firmware source code, and user manuals. My Process My approach is client-centric. I believe in clear communication and transparency throughout the project. Here's how I work: Discovery Phase: I start by understanding your project requirements, goals, and budget. I ask detailed questions to ensure I have a clear picture of what you need. Proposal: I provide you with a detailed proposal including scope, timeline, and cost. Design & Development: I work on the design, keeping you updated with regular progress reports and seeking your feedback at key milestones. Review & Revisions: I deliver the initial design for your review. I offer revisions until you are completely satisfied. Delivery: I deliver all final files in your preferred format. Why Choose Me Quality: I am committed to delivering high-quality, reliable designs. Communication: I speak fluent English and provide regular updates. No communication gaps. Deadlines: I respect your time and deliver on schedule. Value for Money: I offer competitive rates without compromising on quality. Client Satisfaction: Your satisfaction is my top priority. I offer unlimited revisions. Industries I Serve I have worked on projects in various domains, including consumer electronics, medical devices, industrial automation, IoT, automotive, and wearable technology. Let's Work Together I am excited about the opportunity to work on your project. Whether you have a clear vision or need guidance to refine your idea, I am here to help. Let's schedule a call to discuss your project. I look forward to collaborating with you!

Automotive Mold Design Expertise: 3D Modeling: Proficient in creating detailed 3D models of automotive molds, including complex geometries required for various parts like bumpers, dashboards, and inte... Read more

Automotive Mold Design Expertise: 3D Modeling: Proficient in creating detailed 3D models of automotive molds, including complex geometries required for various parts like bumpers, dashboards, and interior components. Mold Flow Analysis: Understanding of mold flow simulation to optimize the design for material flow, cooling efficiency, and part quality. Tooling Design: Skilled in designing tooling components, including core and cavity inserts, mold bases, and ejection systems to ensure high-quality manufacturing. Product Design Skills: Concept Development: Ability to develop and refine product concepts, from initial sketches to detailed 3D models, ensuring functionality and manufacturability. Design for Manufacturability (DFM): Expertise in applying principles of DFM to create designs that are cost-effective and easy to manufacture.Integration with Engineering Analysis: Proficient in integrating product designs with engineering analyses, such as stress tests and thermal simulations, to ensure performance and durability. Siemens NX Proficiency:Advanced CAD Tools: Expertise in using Siemens NX’s advanced CAD tools for creating and modifying complex parts and assemblies. Parametric Design: Skilled in creating parametric models that allow for easy adjustments and iterations. Assemblies and Tolerances: Ability to manage complex assemblies and apply accurate tolerances to ensure fit and function. Accomplishments:Successful Projects: Contributed to the successful design and production of automotive components, leading to improved part performance and reduced manufacturing costs. Innovation in Design: Implemented innovative design solutions that addressed specific challenges in mold design and product development.Collaboration: Worked effectively with cross-functional teams, including engineers, manufacturers, and designers, to ensure cohesive product development and successful project outcomes. Diploma In Plastic Mold Technology University Name:-CIPET Year of Diploma:-2015 Bachelor of Technology in Automobile Engineering University Name:- IIMTS Year of Graduation:- 2024 Projects:Automated Vehicle Parking System:Designed and developed an automated parking system using sensors and microcontrollers.Implemented algorithms for space detection and vehicle positioning.Electric Vehicle (EV) Design and Simulation:Created a comprehensive design for a prototype EV including battery management and drivetrain systems.Utilized simulation software to model performance and efficiency.Hybrid Powertrain Development:Developed a hybrid powertrain system integrating internal combustion engine with electric motor.Conducted performance tests and efficiency analysis.Advanced Suspension System:Designed an advanced suspension system aimed at improving vehicle stability and comfort.Tested various configurations for optimized performance. Accomplishments:Published Research Paper:Authored a research paper on "Innovations in Hybrid Vehicle Technology" published in a peer-reviewed journal.Industrial Internship:Completed an internship with Shridevi Tool Engineers PVT. LTD., contributing to mold Development and Design , gaining practical experience in automobile design and manufacturing.Engineering Design Competition:In a national engineering design competition with a project on Dashboard .Certification:Earned certification in Siemens NX

- SolidWorks certifications: SOLIDWORKS Design Professional (CSWP), SOLIDWORKS Sheet Metal Professional (CSWPA-SM), SOLIDWORKS Weldments Professional (CSWPA-WD), SOLIDWORKS Surfacing Professional (CSW... Read more

- SolidWorks certifications: SOLIDWORKS Design Professional (CSWP), SOLIDWORKS Sheet Metal Professional (CSWPA-SM), SOLIDWORKS Weldments Professional (CSWPA-WD), SOLIDWORKS Surfacing Professional (CSWPA-SU) - proficient in Catia v5 - I worked for 3 years in spacecraft industry - very passionate about microcontrollers, electronics, programming, IoT, etc .. - experience in graphic design