Hire the best freelance Circuit Design expert designers for your company

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

R&D engineer with multidisciplinary skillsets: - 3+ years of CAD design and engineering simulation. - 3+ years of electronic circuit design and PCB assembly. - 3+ years of hardware assembly via 3D... Read more

R&D engineer with multidisciplinary skillsets: - 3+ years of CAD design and engineering simulation. - 3+ years of electronic circuit design and PCB assembly. - 3+ years of hardware assembly via 3D printing techniques. - 3+ years of firmware and microcontroller programming. - 3+ years of scientific research in the field of Bioengineering.

I graduated Tampere University of technology in Berlin. And I've been working as an engineer for Great Ravin company in Cambodia since 2012.

I graduated Tampere University of technology in Berlin. And I've been working as an engineer for Great Ravin company in Cambodia since 2012.

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.

Wiring Harness Design Consultant with 14+ years of experience in designing electrical distribution system schematics and harness drawings. I am also the Managing founder and Technical Lead of EDS Mast... Read more

Wiring Harness Design Consultant with 14+ years of experience in designing electrical distribution system schematics and harness drawings. I am also the Managing founder and Technical Lead of EDS Master, a consulting firm that provides electrical design engineering solutions for the automotive sector and heavy machinery industry. I leverage my expertise in electrical layouts, circuit design, and CAD engineering to deliver high-quality and cost-effective projects for clients across the globe.

Profile Summary: As a skilled and dedicated Electrical Engineer, I bring extensive experience in designing, modelling, developing, and optimizing electrical systems and solutions. My expertise spans... Read more

Profile Summary: As a skilled and dedicated Electrical Engineer, I bring extensive experience in designing, modelling, developing, and optimizing electrical systems and solutions. My expertise spans power distribution, control systems, and automation, with a strong focus on integrating cutting-edge technologies to drive efficiency and innovation. Key Strengths & Skills: Proficient in AutoCAD 3D Modelling, electrical schematics, and circuit design Expertise in Innovating new ideas, especially in the field of electrical engineering, power systems, energy efficiency, and renewable energy solutions Strong background in design and automation engineering Experience in project management, from concept to execution, ensuring timely and quality delivery Skilled in design execution, electrical testing, troubleshooting, and commissioning Accomplishments: Successfully led the design and implementation of a high-efficiency power distribution system for a large industrial plant, reducing energy consumption by 15%. Developed a control system automation for a manufacturing plant, improving productivity by 20%. Managed and delivered electrical infrastructure design and projects within budget and ahead of schedule. Education: Bachelor’s Degree in Electrical Engineering, [BNM Institute of technology ] Certification in Power Systems Design and Automation I’m committed to delivering innovative and reliable solutions that align with client objectives while ensuring safety and sustainability. Let's discuss how I can contribute to your next project!

I am a skilled PCB Design and Electronics Engineering professional with experience in schematic design, PCB layout, and embedded systems development. I specialize in creating high-quality, manufactura... Read more

I am a skilled PCB Design and Electronics Engineering professional with experience in schematic design, PCB layout, and embedded systems development. I specialize in creating high-quality, manufacturable PCB designs for Arduino, ESP32, IoT, automation, and electronic product projects. My services include: PCB layout and routing Schematic design Gerber and manufacturing files Multi-layer PCB design Component selection and BOM preparation 3D PCB visualization Prototype-ready circuit boards I work with tools such as KiCad, Altium Designer, EasyEDA, and Proteus to deliver clean and efficient designs with attention to detail and performance. I am committed to clear communication, fast delivery, and client satisfaction while helping businesses, startups, and individuals turn their electronic ideas into reality.

I’m a Mechatronic Engineer with 5+ years of experience in 3D design using Fusion 360 and Inventor. I specialize in design for manufacturing, 3D prototyping, and end-to-end product development. With ha... Read more

I’m a Mechatronic Engineer with 5+ years of experience in 3D design using Fusion 360 and Inventor. I specialize in design for manufacturing, 3D prototyping, and end-to-end product development. With hands-on experience from years of building functional parts for home and agricultural applications, I understand how to design for real-world use—especially in tough environments. I own and operate 3D printers for rapid prototyping and bring a strong background in electronics, including PCB and embedded system design. My solutions are always optimized for practical assembly, reliability, and cost-efficiency. My experience spans agricultural tools, mechanical assemblies, and consumer gadgets. I'm flexible, deadline-driven, and available for voice or video calls. Let’s turn your idea into a manufacturable reality.

Skilled in SolidWorks, AutoCAD, Fusion 360, and engineering-based design optimization with strong focus on minimalism, strength, usability, and cost-efficient manufacturing, I help clients transform i... Read more

Skilled in SolidWorks, AutoCAD, Fusion 360, and engineering-based design optimization with strong focus on minimalism, strength, usability, and cost-efficient manufacturing, I help clients transform ideas, sketches, and concepts into precise 3D models, production-ready assemblies, and functional prototypes. Experienced in mechanical components, consumer products, sheet metal parts, enclosures, assemblies, reverse engineering, and custom product development. I combine engineering fundamentals with modern aesthetics to create designs that are practical, visually refined, and ready for prototyping or mass production.

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.

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.

I’m a Mechanical & Hydraulic Design Engineer with 4+ years of hands-on experience in hydraulic systems, cylinders, power packs, manifolds, and industrial machinery. I specialize in calculation-driven... Read more

I’m a Mechanical & Hydraulic Design Engineer with 4+ years of hands-on experience in hydraulic systems, cylinders, power packs, manifolds, and industrial machinery. I specialize in calculation-driven design, clear documentation, and production-ready drawings that installers and manufacturers can trust. I’ve helped clients with: Hydraulic circuit design & validation Cylinder & actuator design (calculations + drawings) Power pack sizing & BOM preparation SolidWorks 3D models, assemblies & manufacturing drawings Design reviews, corrections, and compliance-based Improvements. I don’t guess. I calculate, verify, and document—so your project works the first time.

My greatest value is time and greatest reward is a satisfied customer. So I work only if I can do the job efficiently in the shortest time. I have a bachelor’s degree in mechanical engineering and... Read more

My greatest value is time and greatest reward is a satisfied customer. So I work only if I can do the job efficiently in the shortest time. I have a bachelor’s degree in mechanical engineering and more than 1 years work experience in this area. I am Expert in SolidWorks, AutoCAD, CATIA, Creo. My specialization is to create a product from idea to reality. It includes concept design, 3d modeling, drawings, and BOMs. My job is to fulfill the requirements of your project with my technical expertise. Therefore I will EVOLVE and MATERIALIZE your concepts/ideas! I work with sheet metal, metal structures, details for mechanical machining and 3d printing. I also can do reverse engineering, chose motors and linear actuators for moving mechanisms etc. I learn quickly and I like to improve my skills. All of it with my responsibility provide success of my projects. AutoCAD ( Drafting)- advanced level SolidWorks (2D Drafting, 3D modeling part, assembly) - advanced level Catia V5 (2D Drafting, 3D modeling, assembly) - medium level Creo Parametric (2D Drafting, 3D modeling, sheet metal, solid, assembly)- medium level ANSYS 18.1 (structural analysis, modal analysis) - medium level Some of the Services I Offer : Mechanical Design Detailing (Parts, Assemblies, Exploded views & Bill of Materials) Pneumatic / Hydraulic circuit design Finite Element Analysis Fixture and work holding design Material handling & Lift-assist design Process layout & Design Fabrication and Assembly Support My specialties are: + Design Thinking + 2D & 3D Modelling (Computer Aided Design) + Finite Element Analysis (FEA) + Prototyping and Manufacturing Techniques +3D Printing Technologies For more information regarding my specialties. Please do not hesitate to contact me.

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.

10+ years 2D-3D Mechanical Design and Rendering, Multiphysics Simulations, Programming Language, Electronic PCB Layout, Acoustic solutions.

10+ years 2D-3D Mechanical Design and Rendering, Multiphysics Simulations, Programming Language, Electronic PCB Layout, Acoustic solutions.

I have a very wide variety of skills including 3D design and drafting, embedded software design, PCB and circuit design, and time efficient prototyping to deliver a functional product.

I have a very wide variety of skills including 3D design and drafting, embedded software design, PCB and circuit design, and time efficient prototyping to deliver a functional product.

-----: About Us – NextGen IoT Lab:----- We are a multidisciplinary engineering and technology development team with a strong foundation in mechanical design, industrial CAD modeling, and IoT soluti... Read more

-----: About Us – NextGen IoT Lab:----- We are a multidisciplinary engineering and technology development team with a strong foundation in mechanical design, industrial CAD modeling, and IoT solutions. With nearly a decade of hands-on experience in mechanical and industrial design, combined with over 12 years of expertise in IoT and software development, we bring together a rare blend of skills that enable us to deliver end-to-end product design and development solutions. Mechanical Design Expertise: Our team has extensive experience in 3D modeling and industrial CAD design, leveraging advanced tools such as AutoCAD, Fusion 360, SolidWorks, and other CAD software. From concept to production, we create high-precision, manufacturing-ready designs tailored to client specifications. Our in-depth understanding of manufacturing design principles ensures that each model is both functional and optimized for real-world applications. IoT and Electronics Development: Over the years, we have successfully executed more than 250 projects, ranging from basic PCB designs to complex IoT and embedded systems. We specialize in: Electronics & PCB Design: Circuit design, PCB development, amplifiers, filters, analog/digital electronics. Embedded Systems & Firmware: Microcontroller-based solutions, Arduino, ESP32, LoRaWAN devices, and custom firmware development. Connectivity & Protocols: Wi-Fi, Bluetooth, BLE, RF, High-Speed RF (2.4 GHz), LoRa, LoRaWAN, TTN, Chirpstack, Node-RED, MQTT, HTTP, and webserver integration. Software Development Capabilities: Our proficiency extends beyond hardware into software engineering, enabling us to design and develop scalable applications, control systems, and dashboards. We are skilled in a wide range of programming languages and frameworks, including Python, C++, React, Node.js, Angular, and PHP. This versatility allows us to provide integrated hardware-software ecosystems for industries such as manufacturing, automation, energy, smart devices, and more. Our Commitment: As a TOP-RATED team with all 5-star reviews, we pride ourselves on delivering high-quality, reliable, and innovative solutions. By uniting mechanical engineering, electronics design, and software development, we provide our clients with a one-stop solution for product development—from initial concept and prototyping to final deployment. Our mission is to help businesses and innovators bring their ideas to life with precision, creativity, and technical excellence.

A master’s graduate with First Class Honours in Advanced Mechanical Engineering from University of Leicester, United Kingdom. During my masters, I had a module based on CAD modelling using Solid Works... Read more

A master’s graduate with First Class Honours in Advanced Mechanical Engineering from University of Leicester, United Kingdom. During my masters, I had a module based on CAD modelling using Solid Works, where I had successfully submitted a CAD model of an spur gear. Also, had carried out stress analysis on the modelled part. This module has given me an overall proficiency of SolidWorks and capability to work on any task individually. At the same time, I have hands on experience with Matlab. I have successfully presented many Matlab simulated programs using various programming algorithms. For my masters project which was based on ‘Co-deposition of nickel-SiC using Pulse reverse plating techniques to produce nano composites’. Majority of the work was undertaken at the university which made me utilize all the resources and advanced technological equipment like scanning electron microscopy. After course completion, I have worked as a Teaching Assistant in the department of engineering. I have assisted in demonstrating mechanical oriented first year labs concerning flow measurements in pipes, and electrical oriented labs based on circuit design and analysis using P Spice. Also, assisted in second year labs helping students to learn about material selection in devices using CES Edupack software, as well as different engineering materials micro structural properties and processing. Furthermore, I have helped in for fourth year module involving conceptual design process for turbofan engines with improvements in aero engine design configurations. Throughout my educational & professional experiences, I have built a rigorous tendency to achieve the best possible results by approaching them with new innovative ideas.

As a highly skilled Electrical Engineer with a B.Tech degree, I specialize in delivering precise and efficient electrical schematics and layouts using advanced tools such as EPLAN and AutoCAD. My expe... Read more

As a highly skilled Electrical Engineer with a B.Tech degree, I specialize in delivering precise and efficient electrical schematics and layouts using advanced tools such as EPLAN and AutoCAD. My expertise encompasses circuit design, system integration, and project management, enabling me to craft innovative solutions for complex engineering challenges while ensuring compliance with industry standards. Grounded in a strong foundation of electrical engineering principles, I excel at optimizing system performance and driving operational efficiency. Committed to excellence and continuous improvement, I am dedicated to providing high-quality designs that advance technology and meet the unique needs of every project.

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.

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

The majority of my experience stems from working on formula-style electric race cars. I have experience in circuit design, PCB layout, assembly and testing, as well as a variety of programming languag... Read more

The majority of my experience stems from working on formula-style electric race cars. I have experience in circuit design, PCB layout, assembly and testing, as well as a variety of programming languages. I have strong knowledge of Altium Designer. I am meticulous with my PCB designs, always looking for the cleanest and most compact layout possible, while paying close attention to circuit performance and best practices. My software experience is mainly rooted in Java and C++, but I am also familiar with web development tools such as HTML, JavaScript, and JavaServer Faces.

With 25 years of experience, I design commercial and industrial products taking care of all the requirements and features of the design, prototyping and manufacturing. Italian living in Spain. My dai... Read more

With 25 years of experience, I design commercial and industrial products taking care of all the requirements and features of the design, prototyping and manufacturing. Italian living in Spain. My daily job is investigation and development of new technologies. You can benefit from my expertise if you are in need of innovation or you have an idea that nobody can't make it real. I provide better technologies, better ideas and better problems solving. I am a skilled electronic engineer, multi-language developer, inventor, circuit designer. I have a background of Linux/BSD servers admin and networks admin. My work ranges from developing space-grade electronic prototypes, deploying and managing large-scale data networks of IoT sensors to autonomous robotics design with AI. I love to get involved in projects with different technologies. I am constantly updated on new technologies and electronic trends. I am a good advisor on the best technologies you should integrate into your next project. I have a company about IoT sensors, custom circuit designs, autonomous robotics, and web API for data gathering and visualization through web services. One of my most relevant projects was the design of the avionics for a space satellite. During the development, I was able to integrate the top-quality components and adopt the most refined engineering methodologies. I am an outstanding project manager with excellent orders logistic, time scheduling, and employee management. I know how to design electronic circuits and how to optimize the PCB layouts for to pass compliance tests for the emission certification as per CE, FCC, UL regulations. My experience includes: -nRF52/53/54 bluetooth BLE chips from Nordic -nRF9161/51 LTE SoC with CAT-M1 and NB-IoT -ARM Cortex-M33 specialist -ultra low power IoT designs with LTE, LoRa, Bluetooth and 5uA during sleeping -IoT designs with sensors of any type -IMU fusion and motion sensors -Beaglebone Black, Raspberry PI, ODROID -Arduino, Teensy3.2+3.6+4.x, Spresense -design and firmware with NXP, STM32, Nordic, TI, Silabs ARM Cortex-M MCUs -Multilayer PCB layout designs -XBEE, Bluetooth BLE, WIFI, LTE -LoRa and LoRaWAN transceivers design with Semtech RF chips -Iridium sat embedded modems -Autonomous robots, ocean and ground -Wearable devices -Tracking devices with sensor -Solar panels design -Lithium battery rechargers with safety -Industrial heavy duty protocols and power electronics -Encoders and motor drivers -Automotive electronics design -Aerospace electronics, RF and avionics design -Machine learning on MCUs -CAN bus, RS485, 5-20mA protocols -Audio MIDI instruments design -DSP algorithms -Heterogeneous multicore architectures -JTAG, SWD, GDB, openocd, Segger J-Link -Jetson platforms from NVIDIA -Allied Vision cameras -CAD with FEM analysis -3D printed enclosures for electronics Software and firmware programming: -Zephyr RTOS on Nordic RF SOCs -Nuttx RTOS -custom embedded Linux OS with Yocto project -Linux OS (Raspberry PI, ODROID, ARM based) and servers: Ubuntu, Debian and ArchLinux -FreeBSD, NetBSD on embedded boards and servers -AI, machine learning, TinyML specialist -computer vision on NVIDIA Jetson boards. -PX4, MAVLINK, ROS and GAZEBO simulator -Python, C, C++, LUA, Perl -REST API via HTTPS and authentication -MATLAB, Octave, NumPy I can create custom RF circuits and antennas on PCB. I can run the required math and to provide the best impedance matching network. I can test the final RF circuit with my Vector Network Analyzer (VNA). I am specialist of IoT/LoRa/LTE frequencies. I do microelectronics SMT soldering and prototyping in my lab. I place components using a professional microscope. I mount components with dimensions down to 0402 or BGA type. I have good contacts in the industry for PCBs fabrication and for the massive production in different parts of the world. I do machine learning (AI) in microcontrollers installing into the firmware the inferences. I do training in the cloud. I am a specialist of TinyML on ARM Cortex-M33 MCUs. I am honored to be a returning, invited speaker for the BSD foundation, where I discuss BSD operative systems worldwide at annual conventions in Europe and North America. I have a private git server to manage all the files of my customers as remote accessible repositories so they can track the status on a daily basis. My monthly flat rate is 8000 Euro. I begin to work with an initial upfront payment, fully released of about the 30% of the total value of the project. I prefer to work at long term projects to take care of all the features and all the design process. I am also available for preliminary feasibility studies of new products with a final PDF report. I am the owner of a legal registered business in Spain to pay taxes and to provide all the engineering services. All the PDF invoices I send are declared and legal. Local EU regulations impose to send the PDF invoice to my customers to document the funds received.

I am a Mechanical Design Engineer with 12+ years of experience in CAD Design, Drafting, and Product Development across industries such as heavy engineering, sheet metal, casting, plastics, and pneumat... Read more

I am a Mechanical Design Engineer with 12+ years of experience in CAD Design, Drafting, and Product Development across industries such as heavy engineering, sheet metal, casting, plastics, and pneumatic systems. 🔹 CAD Tools Expertise: Autodesk Inventor, Creo/Pro-E, AutoCAD 🔹 Core Skills: 3D Parametric Modeling, Assembly Detailing, GD&T, Tolerance Stack-up, Large Assembly Management 🔹 Specialized Work: Reverse Engineering, Product Redesign, Pneumatic Circuit Design, and Engineering Change Management 🔹 Industry Applications: Fabrication, machining, welding, and design for manufacturability I help clients convert ideas into accurate, manufacturable designs—from concept modeling to detailed engineering drawings. My focus is always on precision, efficiency, and cost-effective solutions. If you are looking for a reliable CAD freelancer who can deliver professional designs, detailed drawings, and optimized solutions, I’d be glad to collaborate.

Resourceful Electronics & Embedded Systems Engineer with 3+ years’ hands-on experience delivering robust hardware solutions for IoT, automotive, and industrial applications. I specialize in full-cycle... Read more

Resourceful Electronics & Embedded Systems Engineer with 3+ years’ hands-on experience delivering robust hardware solutions for IoT, automotive, and industrial applications. I specialize in full-cycle development—from schematic capture and PCB design (Altium Designer) to embedded programming, prototyping, and validation. I’m dedicated to clear communication, on-time delivery, and building reliable products that meet complex technical requirements. Skills: * Circuit Design & Simulation (LTspice) * PCB Layout & Prototyping (Altium Designer) * Embedded Systems Programming (C, C++, pyton, STM32, Arduino) * Hardware Testing & Debugging * Production & Manufacturing Support (BOM, Test Procedures) * Technical Documentation & Team Collaboration

A Senior Electrical Engineer with over 20 years of experience in aircraft power electronics, analog, digital, mixed-signal circuit design, high-speed PCB, scripting, solution for EMC/EMI and test deve... Read more

A Senior Electrical Engineer with over 20 years of experience in aircraft power electronics, analog, digital, mixed-signal circuit design, high-speed PCB, scripting, solution for EMC/EMI and test development for aerospace, military standards

Chilean mechanical engenieer oriented to develop new products and improve existing ones. Specific klowledges in mechanical engineering design, automation, blueprints drawing and interpretation, comput... Read more

Chilean mechanical engenieer oriented to develop new products and improve existing ones. Specific klowledges in mechanical engineering design, automation, blueprints drawing and interpretation, computer aided design (CAD), finite elements analysis (FEA), material science and engineering, piping, engineering systems, energy efficiency, and cost analysis. Looking for projects and strategic aliances to develop, produce and market products to provide solutions to the local and foreign industry.