Hire the best freelance LTSpice expert designers for your company

I am a graduate from the University of Florida class of 2019. I have experience using various electrical engineering programs such as: Autocad, LTSPICE, MATLAB, Altium Designer, and Atmel Studio. I am... Read more

I am a graduate from the University of Florida class of 2019. I have experience using various electrical engineering programs such as: Autocad, LTSPICE, MATLAB, Altium Designer, and Atmel Studio. I am knowledgeable in various fields of electrical engineering such as schematic capture, SPICE analysis, PCB design, and firmware development. I am currently 6+ years into my career, and continue to pursue using my skills to my full potential. I am currently working in the Aviation industry as an electrical engineer and I am taking on the challenge of providing any engineering solutions my clients need. I am currently focused on PCB design projects. While that is not my only area of expertise, like many electrical engineers, I have a broad set of skills that allow me to be adaptive in the solutions my clients need and I am open to work in any field needed. My projects I have worked on range from hangar door control boxes, to firmware development of commercial smart sensor technology, and even to IoT solutions for the electrical utility market. I have more than 2 dozen PCB that have been designed, fabricated, assembled, and gone through the phases of the development cycle. Feel free to pick my brain with any questions of my experience and I hope to be of service to you soon.

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 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.

what people say about me: "Ruurd is next to a creative engineer a good communicator with new ideas and creative solutions. " I enjoy learning a lot about a topic and using it in the real world. In th... Read more

what people say about me: "Ruurd is next to a creative engineer a good communicator with new ideas and creative solutions. " I enjoy learning a lot about a topic and using it in the real world. In the last years I'm focused on sustable engineering. Wind turbines, solar propulsion and energy storage are my mean interests. Data collection and analysing is due to my practical know how a specialization.

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.

As a seasoned circuit design engineer with, I specialize in creating power efficient and reliable PCB designs for a variety of applications, including IoT devices, consumer electronics, and high-relia... Read more

As a seasoned circuit design engineer with, I specialize in creating power efficient and reliable PCB designs for a variety of applications, including IoT devices, consumer electronics, and high-reliability applications. Proficient in Altium and KiCad, I have a proven track record of delivering high-quality schematics and layouts on time. My goal is to help clients bring their electronic ideas to life with precision and innovation.

I am a skilled PCB Design & Layout Engineer with experience in creating high-quality circuit designs using Altium Designer, Eagle, KiCad, and EasyEDA. I specialize in schematic capture, PCB layout, Ge... Read more

I am a skilled PCB Design & Layout Engineer with experience in creating high-quality circuit designs using Altium Designer, Eagle, KiCad, and EasyEDA. I specialize in schematic capture, PCB layout, Gerber file generation, BOM preparation, and 3D modeling for both simple and complex electronic projects.

Professional CAD designer specializing in precise 3D modeling and product development. I create accurate 3D models, assemblies, and manufacturing-ready technical drawings. Experienced in mechanical d... Read more

Professional CAD designer specializing in precise 3D modeling and product development. I create accurate 3D models, assemblies, and manufacturing-ready technical drawings. Experienced in mechanical design, prototype development, computational analysis, and FEA simulations for stress, load, and performance validation. Detail-oriented and reliable, I deliver optimized, production-ready designs with clear communication and fast turnaround.

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Electrical Engineer with over 20 years experience in most industries (Aerospace, Photonics/optical, Medical, Government, etc). I have successfully developed and deployed prototypes and volume-manufact... Read more

Electrical Engineer with over 20 years experience in most industries (Aerospace, Photonics/optical, Medical, Government, etc). I have successfully developed and deployed prototypes and volume-manufactured products at all levels of complexity. Strong background in FPGA/SoC design, especially for AMD/Xilinx MPSoC, RFSoC, and Versal. Decades of experience with Altium for schematic capture and high-speed/HDI PCB layout, including designs for > 100Gbps per lane PAM-4 digital transceivers as well as RF.

I am currently working full time as an electrical engineer for a Fortune 500 company in R&D. Using ▒▒▒▒▒▒ for additional income on the side. Past projects include full infrared camera designs, hig... Read more

I am currently working full time as an electrical engineer for a Fortune 500 company in R&D. Using ▒▒▒▒▒▒ for additional income on the side. Past projects include full infrared camera designs, high speed automotive SERDES, and medium power/medium voltage (less than 50V, less than 50 watt) DC/DC, AC/DC, DC/AC power supply designs. Strong proficiency in OrCAD/Allegro, some experience designing in Eagle as well. Proficient with programming for Arduino - if you're looking for a quick proof of concept I can help get you there.

Electrical technician with a passion for old test equipment and PCB design. Worked on and reviewed industrial, intrinsically safe, and space grade designs.

Electrical technician with a passion for old test equipment and PCB design. Worked on and reviewed industrial, intrinsically safe, and space grade designs.

As a recent Electrical Engineering graduate, I am highly motivated to apply my academic foundation in C/C++ and PCB design to real-world projects. I offer competitive rates in exchange for the opportu... Read more

As a recent Electrical Engineering graduate, I am highly motivated to apply my academic foundation in C/C++ and PCB design to real-world projects. I offer competitive rates in exchange for the opportunity to build long-term professional relationships and a world-class portfolio. I am dedicated to precision, timely delivery, and clear communication

Electrical hardware design engineer experienced in all phases of product development with a strong focus in mixed-signal, power conversion, discrete precision & low noise analog circuits, AD/DA conver... Read more

Electrical hardware design engineer experienced in all phases of product development with a strong focus in mixed-signal, power conversion, discrete precision & low noise analog circuits, AD/DA conversion, battery power, and audio. I have designed, built, and shipped multiple successful, high and low volume products for retail, industrial, and research markets.

I’m a freelance Electrical Design Engineer with hands-on experience in designing electrical systems for residential, commercial, and solar energy projects. I specialize in creating precise AutoCAD dra... Read more

I’m a freelance Electrical Design Engineer with hands-on experience in designing electrical systems for residential, commercial, and solar energy projects. I specialize in creating precise AutoCAD drawings and layouts, including lighting, power, low current systems, fire alarms, and panel board diagrams. I also have working knowledge of Revit for basic modeling and coordination. My background includes automation design, smart home integration, and solar system analysis. I’ve contributed to projects involving ATS panels, generator integration, and real-time energy management solutions. I’m detail-oriented, adaptable, and passionate about delivering clean, code-compliant designs that meet client requirements. Open to remote freelance opportunities worldwide. Tools & Skills: AutoCAD (Advanced) Revit (Proficient) Solar system design Electrical shop & as-built drawings Smart home and automation systems DIALux, Ecodial, MATLAB Let’s work together to bring your electrical design vision to life, on time and with precision.

I am a dedicated Electronics Engineer with over 5 years of experience specializing in mixed-signal hardware design, PCB routing, and embedded systems. I partner with clients to turn their initial conc... Read more

I am a dedicated Electronics Engineer with over 5 years of experience specializing in mixed-signal hardware design, PCB routing, and embedded systems. I partner with clients to turn their initial concepts into manufacturable, error-free prototypes. My core expertise includes: Schematic capture and precise PCB layout using [Insert your software, e.g., KiCad / Altium / Eagle] Microcontroller integration, specifically STM32 and AVR architectures Design for Manufacturing (DFM) and thorough Design Rule Checking (DRC) BOM optimization to ensure cost-effective production Whether you need a complete hardware system designed from the ground up or a professional second pair of eyes to audit your existing schematics before you order boards, I deliver precise, reliable results. I pride myself on excellent communication and delivering files perfectly prepped for manufacturing.

I enjoy making designs that can be used for projects such as either modelling small parts to be used for 3D printing, Visualizing concept ideas into 3D figures or possible optimization layouts/solutio... Read more

I enjoy making designs that can be used for projects such as either modelling small parts to be used for 3D printing, Visualizing concept ideas into 3D figures or possible optimization layouts/solutions for production lines.

Electronic engineer with extensive experience in hardware development, actively contributing to equipment utilized within the electrical sector. This work demands prove robustness in compliance with e... Read more

Electronic engineer with extensive experience in hardware development, actively contributing to equipment utilized within the electrical sector. This work demands prove robustness in compliance with electromagnetic compatibility and safety international standards. Proficient in electronic circuit and layout design, with practical expertise in workbench testing circuits. Experience in component engineering, including homologation, specification, and lifecycle management, as well ass compliance with RoHS2 and 3, RAECH regulations, and contributing to quality assurance processes for electronic products. I also have experience within the JIRA platform (from Atlassian), where I work as an administrator and project manager. I firmly believe that continuous learning necessitates openness to new opportunities, and that focus, and determination are essential to successfully accomplish assigned task.

Work Sample: 1) My recent PCB Layout design in OrCAD: https://drive.google.com/file/d/1c9eKgUgZAbZCvoeH8IWq9DLh5roFwF_u/view?usp=sharing 2) Another design : This one is an example of reverse-engineer... Read more

Work Sample: 1) My recent PCB Layout design in OrCAD: https://drive.google.com/file/d/1c9eKgUgZAbZCvoeH8IWq9DLh5roFwF_u/view?usp=sharing 2) Another design : This one is an example of reverse-engineered PCB board designed in OrCAD. https://drive.google.com/file/d/1Yoo9x9a86COWYb8JUqIzsZAD0ANM5VU3/view?usp=sharing

[Mahmoud Gamal] Hardware Design Engineer | PCB Design | Electrical Engineering Dear LinkedIn Network, I am excited to announce my role as a Hardware Design Engineer with expertise in PCB design and... Read more

[Mahmoud Gamal] Hardware Design Engineer | PCB Design | Electrical Engineering Dear LinkedIn Network, I am excited to announce my role as a Hardware Design Engineer with expertise in PCB design and electrical engineering. With a passion for transforming ideas into tangible products, I thrive on tackling complex challenges and collaborating with cross-functional teams to deliver innovative hardware solutions. Throughout my career, I have gained extensive experience in designing and developing high-quality electronic systems. My expertise lies in schematic design, PCB layout, signal integrity analysis, and component selection. I am well-versed in using industry-standard design tools such as Altium Designer and have a strong understanding of PCB manufacturing processes. I have successfully contributed to the development of cutting-edge products across various industries, including consumer electronics, telecommunications, and industrial automation. My strengths lie in translating product requirements into robust hardware designs, optimizing performance, and ensuring compliance with industry standards and regulations. In addition to my technical skills, I am a highly collaborative and proactive team player. I thrive in fast-paced environments, adapt quickly to new technologies, and have a keen eye for detail. I believe in continuous learning and staying updated with the latest advancements in hardware design and engineering. If you are seeking a dedicated and skilled Hardware Design Engineer to drive innovation and contribute to your organization's success, I would welcome the opportunity to connect. Let's explore how my expertise and passion for hardware design can add value to your team. Thank you for taking the time to read my LinkedIn profile. I look forward to connecting with professionals who share similar interests and goals. Check my GitHub link:- https://github.com/mhmwd83

• Electronics Design Engineer, Product Designer and Developer • Circuit Design, digital, analogue circuit simulation using LTSpice • PCB Design – Altium Designer (10 years), Flexy/Rigid, differential... Read more

• Electronics Design Engineer, Product Designer and Developer • Circuit Design, digital, analogue circuit simulation using LTSpice • PCB Design – Altium Designer (10 years), Flexy/Rigid, differential pairs etc • Experienced Prompt Engineer using ChatGPT • Creation of Python based test software, using SciPy, NumPy, PyVISA and Matplotlib libraries to control test equipment in the performance of long-term stability testing of system equipment and electronic modules within a quantum computer and creation of various plots of the recorded data for analysis and characterisation of system components and their performance over time • Switch Mode Power Supplies and control circuitry for multiple systems for EPOS systems, LED automotive lighting products and intelligent street lighting systems • Involvement in the development of Consumer Electronics products • Design and analysis of a specialist ultra-stable resonant RF circuit using Waveform Generators, RF amplifiers, Signal Analysers, VNA’s, RF circuit simulation and other test equipment • Used VNA’s to analyse the open circuit characteristics a circuit, made up from a combination of external components and ASIC internal parts, prior to active connection and test of the inductive elements of the circuit • Embedded Controller design and of test firmware for Intel, Microchip, Atmel, NXP and ARM • Design of IOT and Smart Lighting Products • Programmable Logic, PAL’s, CPLD’s and Renesas/Dialogue GreenPAK • Experience of programming in Python, C, C++, VBA, Assembler and other languages • 3D CAD – OnShape – CADKEY – DesignSpark Mechanical • Prototyping, SMD manual assembly and soldering • Development work on WPT and Battery Charging Systems • Innovation and concept development using Particle Photon-2 and Arduino etc. • Experience in cost-down exercises for volume manufacture on a number of different products • Evaluation of the various effects of component change, removal and total circuit re-imagining and re-design • Management experience at all levels from team leader to Director

I focus on reliable electronics design, taking projects from initial ideas and discussions to working, production-ready hardware — not just drawings on paper. I work mainly with startups and small co... Read more

I focus on reliable electronics design, taking projects from initial ideas and discussions to working, production-ready hardware — not just drawings on paper. I work mainly with startups and small companies, taking ownership of circuit design, PCB layout, and manufacturing readiness, with debugging and bring-up in mind from day one.

Electronics Engineer specialized in hardware development, PCB design, and embedded systems for industrial, automotive, and medical applications. I have more than 3 years of experience designing elect... Read more

Electronics Engineer specialized in hardware development, PCB design, and embedded systems for industrial, automotive, and medical applications. I have more than 3 years of experience designing electronic products from concept to functional prototype, including schematic capture, PCB layout, simulation, component selection, and hardware validation. My professional experience includes working as a Hardware Engineer and Embedded Systems Engineer, developing reliable electronic solutions focused on manufacturability and real-world deployment. Core expertise: • Multi-layer PCB design (Altium Designer, KiCad, EasyEDA) • Analog, digital, and power electronics design • Embedded systems and microcontroller-based hardware • Circuit simulation and validation (LTspice, Multisim) • BOM creation and component sourcing • Reverse engineering and PCB redesign • Manufacturing-ready documentation (Gerbers, Pick & Place, Assembly files) I am an EasyEDA Certified Professional and experienced in remote collaboration with international teams. My goal is to transform ideas into robust, production-ready electronic products.

I am Elecronics/Power Electronics Engineer having experience in Circuit Design, Circuit Schematics, PCB Layout Design, Circuit simulations and Circuit 3d drawings/models. I can do PCB Layout design an... Read more

I am Elecronics/Power Electronics Engineer having experience in Circuit Design, Circuit Schematics, PCB Layout Design, Circuit simulations and Circuit 3d drawings/models. I can do PCB Layout design and can provide PCB files for hardware manufacturing purpose. I can also do electrical 2D drawings and schematic diagrams. So feel free to discuss your creative projects and make end results satisfying and efficient.,

BuildEmber is an electronics design firm capable of bringing your design to market with our experience in hardware design and PCB layout.

BuildEmber is an electronics design firm capable of bringing your design to market with our experience in hardware design and PCB layout.

I am an experienced Embedded Hardware Design Engineer and PCB Designer with over 4 years of hands-on experience in electronics product development. My expertise spans schematic design, multilayer PCB... Read more

I am an experienced Embedded Hardware Design Engineer and PCB Designer with over 4 years of hands-on experience in electronics product development. My expertise spans schematic design, multilayer PCB layout, embedded systems, and end-to-end hardware prototyping. I have successfully designed and developed products in sectors like consumer electronics, medical/health devices, and drones, including RTK positioning modules, custom game controllers, power supplies, and underwater communication systems. My core strengths include: Schematic capture and robust PCB layout (Altium, OrCAD, KiCad) Embedded system integration (STM32, ESP32, BLE, Wi-Fi, CAN, Ethernet PHY) BOM optimization and component selection for reliable, cost-effective design High-speed digital and power integrity design, EMI/EMC compliant layouts Complete product development: from concept, design, and prototyping to testing and validation I can help you with: Custom PCB and hardware design for new or existing projects Prototype development and rapid hardware validation Design for manufacturability (DFM) and design for testability (DFT) Troubleshooting and improving existing hardware or PCB designs I am detail-oriented, responsive, and committed to delivering practical solutions tailored to your requirements. Open to both short-term and long-term projects, I enjoy turning ideas into functional, reliable hardware. Let’s work together to bring your product vision to life!