Hire the best freelance LTSpice expert designers for your company

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.

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.

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.

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

Well, I have always been a brilliant individual from my early education. This lead me to be achieve the title of Outstanding Student of the Year in my graduation. The aforementioned was not possible w... Read more

Well, I have always been a brilliant individual from my early education. This lead me to be achieve the title of Outstanding Student of the Year in my graduation. The aforementioned was not possible without hard work and commitment. Now, I would like to utilize these skills to give best and demanding engineering services throughout the world.

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.,

Experienced Research&Development Electronics Engineer with a demonstrated history of working in the automotive industry. Skilled in Electronics, Analytical calculations approach, Hardware design (Alti... Read more

Experienced Research&Development Electronics Engineer with a demonstrated history of working in the automotive industry. Skilled in Electronics, Analytical calculations approach, Hardware design (Altium Designer), Simulations in LTSpice and Matlab. Strong engineering professional with a Ph.D. focused in Electrical Engineering (Power Electronics).

I am a highly efficient Project Manager with experience in a wide range of mechanical functions, project management, mechanical and electrical design. Direct wide range of mechanical and engineerin... Read more

I am a highly efficient Project Manager with experience in a wide range of mechanical functions, project management, mechanical and electrical design. Direct wide range of mechanical and engineering procedures including fabrication, testing, or documentation, tooling engineering and special projects. Exceptional interpersonal and leadership skills, with the ability to build positive and productive engineering and project management teams. Leverage outstanding organizational and analytical skills to evaluate and revise mechanical management processes and improve accuracy and efficiency. Proficient in Hardware: Automotive repair, PCB repair, computer workstations, soldering abilities (both cable assemblies and surface mount), technician experience, circuit analysis and troubleshooting, wiring installation, computer hardware, systems integration and testing, RF hardware, electro-pneumatics, consumer electronics, machining, power meters, signal generators, spectrum analyzer, and network analyzers. Exceptional Software Expertise: MS Office, LTSpice, Orcad, Solidworks, Auto Desk Inventor, FEKO, PTC, Pro/Engineer, AutoCAD, Visual Basic, Adobe PhotoShop, Visio, MasterCAM.

I am a Mechanical Engineer with a passion for renewable energy and mechanical design. My expertise includes prototype scale up, product design and development, material and product testing, manufactur... Read more

I am a Mechanical Engineer with a passion for renewable energy and mechanical design. My expertise includes prototype scale up, product design and development, material and product testing, manufacturing, injection molding, research and development, system modeling, CFD, FEA, and data analysis. I am also proficient in Autodesk Inventor, Vault, Python, Excel VBA, LTspice, and ANSYS simulation software. I hold an M.S. in Mechanical Engineering from Oregon State University, where I studied wave energy converters, mechanical design, system modeling, and control systems. I spent the next decade at ESS, where I played a key role in the design and development of the iron redox flow battery cell stack, as well as system, manufacturing, and test equipment design projects. During my tenure, ESS grew from a startup of five engineers to a publicly traded company. I am the inventor on seven patents and have experience managing teams of engineers. In my free time, I enjoy biking, climbing, skiing, spending time outdoors, and traveling.

Electrical/electronic design, PCB design, prototyping, CAD and 3D designs using Solidworks and AutoCAD are my skilled areas of work. As a PCB designer, I am skilled in working with Altium, CadSoft E... Read more

Electrical/electronic design, PCB design, prototyping, CAD and 3D designs using Solidworks and AutoCAD are my skilled areas of work. As a PCB designer, I am skilled in working with Altium, CadSoft Eagle, and KiCad. For my designs and their simulations, I use proteus, Orcad, LTSpice. I am also experienced in providing renewable energy design including solar and wind power systems with special work experience for electrification of off-grid areas using hybrid solar/wind power systems. In addition, due to my technical job, I have extended my expertise to other engineering areas and currently accept such requests as 3D modeling, technical drafting, and high-quality 2D & 3D CAD designing/drafting in Solidworks and Autocad. I have over 15 years of design experience in Electrical and electromechanical systems. Good work experience in electronic PCB design, sheet metal, and metal constructions, 3D printing and injection molded part design. I am sure that my experience and my qualifications will help you to achieve good results in your work and projects. My main goal is making my clients fully satisfied by providing my best services. Bob Pershing

Warm Greetings !!! . I have done Mechanical Engineering. If you are looking for help in Mechanical engineering tasks like problem-solving, semester projects, subject problem’ solutions then you are in... Read more

Warm Greetings !!! . I have done Mechanical Engineering. If you are looking for help in Mechanical engineering tasks like problem-solving, semester projects, subject problem’ solutions then you are in the right place. I can solve numerical problems, tasks, and projects related to Mechanical engineering subjects. I am here to assist you with all tasks related to Mechanical Engineering. I am having expertise in the following subjects and software.  Thermodynamics  Heat Mass Transfer  Power Plants  IC Engines  HVAC  Mechanics of Materials  Differential Equations  Vector and Calculus  Engineering Statics  Engineering Dynamics  Machine Design  Robotics and Controls  Industrial Management System  Production Operation Management  Finite Element Analysis  Mechanical Vibration  Energy, Resources, and Utilization  Engineering Statistics  Project Management SOFTWARE:  MATLAB /SIMULINK  ANSYS  SOLIDWORKS  AUTOCAD  LTSPICE  LABVIEW  ETAP  FEM  PROTEUS  CFD  HAP Thermodynamics: • First Law of Thermodynamics • Second Law of Thermodynamics • Zeroth Law of Thermodynamics • Enthalpy • Entropy • Rankine Cycle • Otto & Diesel Cycle • Brayton Cycle Heat & Mass Transfer: • Heat Transfer in one dimension • Heat Transfer in two dimensions • Heat Transfer through conduction, convection & radiation • Hydrodynamics • Methods of dimensional analysis • Lumped capacitance method --------------------------------------------------------------------------------- • Evaporation • Distillation & mass transfer • Absorption & Adsorption • Drying • Leaching & mass transfer • Liquid-Liquid Extraction • Cooling Towers • Ternary diagram in mass transfer • Separation process • Heat Transfer • Mass transfer • Thermodynamics Fluid Mechanics: • Reynold's number • Bernoulli's Equation • Equation of Continuity • Pascal's Law in Fluid Mechanics • Pumps design • Aerodynamics • Dimensional Analysis in Fluid Mechanics HVAC System & Design: • HVAC Heating & cooling load calculations • Duct Sizing & Routing • HVAC Schematics • HVAC design • AutoCAD layouts & drawings • Chiller Selection & Piping Design • Other Plumbing Design (Loops, Steam and Air) Mechanics of Materials: • Stress • Strain • Mechanical Properties of Materials • Axial Load • Torsion • Bending • Transverse Shear • Combined Loading • Stress Transformation • Strain Transformation • Design of Beams and Shafts • Deflection of Beams and Shafts • Buckling of Columns Finite Element Analysis: • Beam and Spring System • Truss’s structure • Frame Analysis • Minimum potential energy principle • Galerkin method • Transformation of Element Equations from Local to Global CS • Eigenvectors and eigenvalues of the stiffness matrix • Iso-parametric Formulation • FEA Simulation • FEA in Fluid Dynamics • 2D and 3D structure • FEA question solution with MATLAB • Model Creation on ANSYS Computational Fluid Dynamics: • Mesh generation in ICEM, FLUENT MESHING MODE, ANSYS WORKBENCH (Modules for CFD) • The structured and unstructured meshing of complex geometries for CFD analysis • CFD analysis using Ansys Fluent for External and Internal flows • Fluent and Static Structural Analysis in order to carry Fluid Solid Interaction (FSI) simulations (a type of combination of SS and CFD analysis or several others) • Dynamic/ Adaptive Meshing to incorporate moving geometries within fluid interactions for CFD analysis • UDF compilation and Application on Geometries while analyzing computational fluid dynamics Mechanical Vibration: • Free Vibration • Forced Vibration • Harmonic Vibration • Viscous Damping • Modeling and Energy Methods • Stiffness • Stability • Coulomb Friction • Harmonic Excitation of damped and undamped systems • Alternate Representation • Base Excitation • Forced Response • Multiple Degree of Freedom Systems • Eigenvalues and Natural Frequencies • Modal Analysis • Mode Shapes • Lagrange’s Equation • Eigenvalue Problem for Vibration • Vibration Absorbers • Vibration Isolation Control System: • Feedback & Control System • Open loop & Close Loop Control System • Transfer Function • Block Diagram Model • Signal Flow Graphs • State Space • Nyquist Plot • Body Plot • PD, PI, PID Controllers Design • Root Locus • Controller Design & MATLAB Simulink • Laplace and Inverse Laplace Transform • Transfer Function • Steady State Error and Transient Response • Lead/Lag Compensator Design • Modelling in Time/Frequency Domain • Design & Stability of Control Systems • Phase & Gain Margins • Advanced Control System • System Modelling

My name is Pavlo. I am a certified jewelry designer and have been working since 2015. To create a 3D model of jewelry I'm using Rhinoceros, Gemvision Matrix, Autodesk T-Splines and for rendering Maxwe... Read more

My name is Pavlo. I am a certified jewelry designer and have been working since 2015. To create a 3D model of jewelry I'm using Rhinoceros, Gemvision Matrix, Autodesk T-Splines and for rendering Maxwell Render, Keyshot and V-Ray. After finishing 3D design jewelry courses, I have got a good knowledge of modelling techniques and the production of jewelry. I know how the item has to be made. All finished 3d jewelry models I'm inspecting and preparing to ready-print or for CNC. Higher Education: Kyiv National University of Construction and Architecture (KNUCA) Department of Civil Engineering, and Bachelor of Engineering. Courses I finished two courses on modelling jewelry at the Moscow school of modern jewelry design: -Basic -Master "Jewelry Sculpting in ZBrush» Professional skills: knowledge of Photoshop, Illustrator, Gemvision Matrix, InDesign, Rhinoceros, Materialise Magics RP. I am able to bring your ideas to life. Good understanding of composition, drawing and painting, graphics and sculpture. Knowledge of Photoshop at a high level. Create a sketch by hand and in ProCreate. I worked 3D jewelry designer : www.segaljewellery.com/ www.silver-bean.com www.skifska-etnika.ua sport21veka (https://vk.com/sport21veka) private entrepreneur Daniil Dyachkov “Segal Jewelry” https://segaljewellery.com/ Goldstone Brands Ltd. “GoldMaster” http://gold-master.com.ua/ My portfolio: https://www.behance.net/djewelry

A software engineer by profession who also love CAD designing. With expertise in both fields, I offer a unique combination of technical skills and creative vision. Read more

A software engineer by profession who also love CAD designing. With expertise in both fields, I offer a unique combination of technical skills and creative vision.

I'am 3d designer solidworks with experience more than 10 years. I can design schematic for refrigeration and design 3D drawings for projects example Hyper pack, Multi Pack & condensing unit I have ex... Read more

I'am 3d designer solidworks with experience more than 10 years. I can design schematic for refrigeration and design 3D drawings for projects example Hyper pack, Multi Pack & condensing unit I have experience in the field of refrigeration pipe & construction frame design for more than 5 years I can design product drawings for molding because I have experince more than 5 years in design product until rendering i can draw 2d and to make for 3d drawing solidworks or vice versa I'am familiar with solidworks weldments & sheet metal because I have experience 4 years in constuksion bus My key abilities are : Solidworks, SolidWorks Surfce, Solidworks weldments, SolidWorks sheetMetal, SolidWorks 2D, SolidWorks Piping, AutoCad Inventory, 2D Drawing and drafting, 3D Design, Product Design, Industrial Product Design, Mechanical Design Engineering, Stl files for 3D

Hi, I'm an architect and interior designer, with more than 7 years of commercial and residential experience. I'm fluent in the language of architecture, construction and 3D Rendering & Visualization.... Read more

Hi, I'm an architect and interior designer, with more than 7 years of commercial and residential experience. I'm fluent in the language of architecture, construction and 3D Rendering & Visualization. I rely on my experience, creativity and latest achievements to get the best solutions that can fill the life of anybody, even the most demanding customer that turned for help to me. Every project is developed individually, in collaboration with the client. Services: - Architectural Modeling - 3D Visualizations - 3D Exterior Rendering and Interior Rendering - 3D Floor Plans - Aerial Birds Eye View I'm using ArchiCAD, twinmotion, Revit, lumion, enscape and Photoshop. Thank you for viewing my profile.

highly technical professional background in mechanical drafting technologist with 8 years of experience in varied industries like Agriculture, Automobile parts, and Automotive sector with proven skill... Read more

highly technical professional background in mechanical drafting technologist with 8 years of experience in varied industries like Agriculture, Automobile parts, and Automotive sector with proven skills in drafting models in CAD formats and other tools associated; has an extensive knowledge of the principles of developing CAD/CAM designs and reference standards; excellent time management skills, Energetic, ability to work with less supervision; can work closely with engineers and other professionals.

I have been working in the field of plastic injection molding and mold design for over 20 years and have been freelancing for another 4 years. It has been an interesting and challenging experience! My... Read more

I have been working in the field of plastic injection molding and mold design for over 20 years and have been freelancing for another 4 years. It has been an interesting and challenging experience! My main focus has been plastic injection molds, plastic components, tooling, fixtures and product development. I have done many product design projects in a variety of industries and look forward to having a discussion with you about your idea. Your project will be completed in a timely manner and with great attention to detail and functionality. I also can 3d print your product for evaluation and design review. less

Having 6 years of experience in manufacture industries as a Machine designer. Having high depth knowledge in Automation machine and special purpose machines Read more

Having 6 years of experience in manufacture industries as a Machine designer. Having high depth knowledge in Automation machine and special purpose machines

Engineer and Scientist with engineering experience working in England, America, Uganda and Japan. Experience working with Solidworks and Onshape for Engineering projects and always interested in explo... Read more

Engineer and Scientist with engineering experience working in England, America, Uganda and Japan. Experience working with Solidworks and Onshape for Engineering projects and always interested in exploring new ideas

i want to designer mechanical engineering. Iwork for 2d designn or 3d design part thank you Read more

i want to designer mechanical engineering. Iwork for 2d designn or 3d design part thank you

Design studen from Uruguay, acctually in 3rd grade. I have experience in design plastic parts, and injection molds, also with conveyor belt systems, sheet metal design. Read more

Design studen from Uruguay, acctually in 3rd grade. I have experience in design plastic parts, and injection molds, also with conveyor belt systems, sheet metal design.

I am a multi-disciplined engineer with over 30 years’ experience and have been developing novel orthopaedic instruments and implants for over 20 years. I am experienced in designing with both 2D and 3... Read more

I am a multi-disciplined engineer with over 30 years’ experience and have been developing novel orthopaedic instruments and implants for over 20 years. I am experienced in designing with both 2D and 3D CAD; and with over 10 years’ hands on manufacturing experience so can develop conceptual designs through to production with a clear understanding of the requirements for manufacturing.

We Deal in 1. Design of rotary table with and without servo with accuracy. 2. Design of Chemical transfer system. 3. Automation projects design and concept. 4. Concept designing. 5. New machine d... Read more

We Deal in 1. Design of rotary table with and without servo with accuracy. 2. Design of Chemical transfer system. 3. Automation projects design and concept. 4. Concept designing. 5. New machine developments 6. CNC service and retrofitting. 7. CNC machining experts