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    4.6

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    4.89

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    4.7

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    4.6

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    4.89

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    4.94

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    4.7

Free Engineering Courses

FREE
Automotive Mechanics
240 Learners 2.5 hrs

Skills: Shop safety, Automotive tool use, Engine system diagnosis, Basic auto electrical testing, Brake and tire service, Steering and suspension evaluation, Transmission fault recognition, OBD-II diagnostics, Preventive maintenance planning

FREE
NEW
AutoCAD Design and Modeling
star   4.47 487 Learners 2.5 hrs

Skills: Precision drafting (OSNAP), 2D geometry creation, Object editing & grips, Layer & block management, Xref management, Dimensioning & annotation, Layout & plot setup, 3D solid modeling, Boolean 3D operations, Automation (dynamic blocks/AutoLISP)

FREE
Biomedical Engineering and Medical Technology
153 Learners 2.5 hrs

Skills: Physiology for device design, Biosignal basics, Sensor and instrumentation understanding, Imaging modality comparison, Biomaterial selection, Prosthetic and rehab concepts, Device regulatory awareness, Digital health literacy, AI in diagnostics overview

FREE
Solar Energy and Power Systems
58 Learners 2.5 hrs

Skills: Solar technology comparison, PV system component knowledge, Site and shading assessment, Basic system sizing, Grid-tied vs off-grid evaluation, Solar project economic analysis, Policy and incentive awareness, Solar O&M planning, Safety risk recognition, S

FREE
Drone Technology and Applications
47 Learners 2.5 hrs

Skills: Drone type classification, Component and systems knowledge, Basic aerodynamics for drones, Rule and airspace awareness, Pre/post-flight procedures, Core piloting maneuvers, Industry use-case evaluation, Payload and imaging selection

FREE
HVAC Systems and Maintenance
356 Learners 2.5 hrs

Skills: Heat transfer principles, Psychrometric analysis, Refrigeration cycle diagnosis, Combustion & furnace ops, Ductwork & airflow design, HVAC electrical basics, Multimeter diagnostics, Structured troubleshooting, System installation

FREE
PCB Design and Layout
46 Learners 2.5 hrs

Skills: Schematic capture, Component selection, PCB stack-up planning, Component placement, Trace routing, Signal integrity basics, PDN and thermal design, DFM/DFA practice, Fabrication output generation, PCB test and review workflows

FREE
Basic Electricity and Circuit Fundamentals
148 Learners 2.5 hrs

Skills: Ohm's Law application, circuit analysis, power calculation, component identification, AC/DC differentiation, circuit diagram reading, multimeter use, hazard recognition, basic troubleshooting, electrical safety practices

FREE
VLSI Design & Integrated Circuits
180 Learners 2.5 hrs

Skills: MOSFET and CMOS fundamentals, CMOS logic design, Timing and STA basics, Sequential circuit design, Physical design flow understanding, Verification and DFT concepts, Low-power design strategies, ASIC vs FPGA tradeoffs, SoC integration awareness

FREE
CAD Drafting and 3D Modeling
77 Learners 2.5 hrs

Skills: 2D CAD Drafting, 3D Solid Modeling, Orthographic Projection, Dimensioning, GD&T Basics, Section & Detail Views, Assembly Modeling, Parametric Design, BOM Creation, Drawing File Management

free icon FREE
Automotive Mechanics
star   5.0 240 Learners 2.5 hrs

Skills: Shop safety, Automotive tool use, Engine system diagnosis, Basic auto electrical testing, Brake and tire service, Steering and suspension evaluation, Transmission fault recognition, OBD-II diagnostics, Preventive maintenance planning

free icon FREE
AutoCAD Design and Modeling
star   4.47 487 Learners 2.5 hrs

Skills: Precision drafting (OSNAP), 2D geometry creation, Object editing & grips, Layer & block management, Xref management, Dimensioning & annotation, Layout & plot setup, 3D solid modeling, Boolean 3D operations, Automation (dynamic blocks/AutoLISP)

free icon FREE
Biomedical Engineering and Medical Technology
star   4.8 153 Learners 2.5 hrs

Skills: Physiology for device design, Biosignal basics, Sensor and instrumentation understanding, Imaging modality comparison, Biomaterial selection, Prosthetic and rehab concepts, Device regulatory awareness, Digital health literacy, AI in diagnostics overview

free icon FREE
Solar Energy and Power Systems
58 Learners 2.5 hrs

Skills: Solar technology comparison, PV system component knowledge, Site and shading assessment, Basic system sizing, Grid-tied vs off-grid evaluation, Solar project economic analysis, Policy and incentive awareness, Solar O&M planning, Safety risk recognition, S

free icon FREE
Drone Technology and Applications
47 Learners 2.5 hrs

Skills: Drone type classification, Component and systems knowledge, Basic aerodynamics for drones, Rule and airspace awareness, Pre/post-flight procedures, Core piloting maneuvers, Industry use-case evaluation, Payload and imaging selection

free icon FREE
HVAC Systems and Maintenance
star   4.0 356 Learners 2.5 hrs

Skills: Heat transfer principles, Psychrometric analysis, Refrigeration cycle diagnosis, Combustion & furnace ops, Ductwork & airflow design, HVAC electrical basics, Multimeter diagnostics, Structured troubleshooting, System installation

free icon FREE
PCB Design and Layout
46 Learners 2.5 hrs

Skills: Schematic capture, Component selection, PCB stack-up planning, Component placement, Trace routing, Signal integrity basics, PDN and thermal design, DFM/DFA practice, Fabrication output generation, PCB test and review workflows

free icon FREE
Basic Electricity and Circuit Fundamentals

Skills: Ohm's Law application, circuit analysis, power calculation, component identification, AC/DC differentiation, circuit diagram reading, multimeter use, hazard recognition, basic troubleshooting, electrical safety practices

free icon FREE
VLSI Design & Integrated Circuits
180 Learners 2.5 hrs

Skills: MOSFET and CMOS fundamentals, CMOS logic design, Timing and STA basics, Sequential circuit design, Physical design flow understanding, Verification and DFT concepts, Low-power design strategies, ASIC vs FPGA tradeoffs, SoC integration awareness

free icon FREE
CAD Drafting and 3D Modeling
77 Learners 2.5 hrs

Skills: 2D CAD Drafting, 3D Solid Modeling, Orthographic Projection, Dimensioning, GD&T Basics, Section & Detail Views, Assembly Modeling, Parametric Design, BOM Creation, Drawing File Management

Learn Engineering Courses Online For Free

These Free Online Engineering Courses cover practical concepts in automotive systems, CAD design, biomedical technology, solar power, drones, HVAC, electronics, and VLSI. You learn automotive diagnostics, 2D and 3D modeling, circuit analysis, PCB layout, solar system sizing, drone operations, HVAC troubleshooting, and integrated circuit design. These skills help you understand engineering systems, identify technical issues, interpret designs, and apply core engineering principles to practical problems.

You also learn about electrical safety, system maintenance, component selection, design workflows, testing, and troubleshooting. By completing these free engineering courses for beginners, you build a broader technical foundation for mechanical, electrical, electronics, energy, automotive, and design applications, while strengthening skills useful for further engineering study and entry-level technical roles.

Skills You'll Gain in These Best Free Engineering Courses Online 

  • Engineering Fundamentals: Engineering mechanics, structural analysis, fluid dynamics, thermodynamics, and systems engineering.

  • CAD & Design: AutoCAD drafting, 2D technical drawings, 3D modeling, design documentation, and engineering drawing standards.

  • Electrical & Electronics: Voltage, current, resistance, circuit analysis, electronic components, and electrical safety.

  • VLSI & PCB Design: Integrated circuit design, VLSI fundamentals, schematic design, component placement, PCB routing, and design-for-manufacturing.

  • Mechanical & Automotive Systems: HVAC systems, heating and cooling principles, vehicle systems, engine fundamentals, diagnostics, maintenance, and energy efficiency.

  • Biomedical Engineering: Medical device technology, biomedical instrumentation, and healthcare technology applications.

  • Programming & Engineering Tools: Python, MATLAB, and Finite Element Analysis (FEA).

  • Project & Emerging Technologies: Construction planning, scheduling, resource management, project delivery, machine learning, generative AI prompt engineering, and project management.

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Get started with these courses

FREE
Drone Technology and Applications
47 Learners 2.5 hrs

Skills: Drone type classification, Component and systems knowledge, Basic aerodynamics for drones, Rule and airspace awareness, Pre/post-flight procedures, Core piloting maneuvers, Industry use-case evaluation, Payload and imaging selection

FREE
PCB Design and Layout
46 Learners 2.5 hrs

Skills: Schematic capture, Component selection, PCB stack-up planning, Component placement, Trace routing, Signal integrity basics, PDN and thermal design, DFM/DFA practice, Fabrication output generation, PCB test and review workflows

FREE
NEW
AutoCAD Design and Modeling
star   4.47 487 Learners 2.5 hrs

Skills: Precision drafting (OSNAP), 2D geometry creation, Object editing & grips, Layer & block management, Xref management, Dimensioning & annotation, Layout & plot setup, 3D solid modeling, Boolean 3D operations, Automation (dynamic blocks/AutoLISP)

FREE
HVAC Systems and Maintenance
356 Learners 2.5 hrs

Skills: Heat transfer principles, Psychrometric analysis, Refrigeration cycle diagnosis, Combustion & furnace ops, Ductwork & airflow design, HVAC electrical basics, Multimeter diagnostics, Structured troubleshooting, System installation

FREE
Automotive Mechanics
240 Learners 2.5 hrs

Skills: Shop safety, Automotive tool use, Engine system diagnosis, Basic auto electrical testing, Brake and tire service, Steering and suspension evaluation, Transmission fault recognition, OBD-II diagnostics, Preventive maintenance planning

FREE
VLSI Design & Integrated Circuits
180 Learners 2.5 hrs

Skills: MOSFET and CMOS fundamentals, CMOS logic design, Timing and STA basics, Sequential circuit design, Physical design flow understanding, Verification and DFT concepts, Low-power design strategies, ASIC vs FPGA tradeoffs, SoC integration awareness

FREE
Biomedical Engineering and Medical Technology
153 Learners 2.5 hrs

Skills: Physiology for device design, Biosignal basics, Sensor and instrumentation understanding, Imaging modality comparison, Biomaterial selection, Prosthetic and rehab concepts, Device regulatory awareness, Digital health literacy, AI in diagnostics overview

FREE
Basic Electricity and Circuit Fundamentals
148 Learners 2.5 hrs

Skills: Ohm's Law application, circuit analysis, power calculation, component identification, AC/DC differentiation, circuit diagram reading, multimeter use, hazard recognition, basic troubleshooting, electrical safety practices

FREE
CAD Drafting and 3D Modeling
77 Learners 2.5 hrs

Skills: 2D CAD Drafting, 3D Solid Modeling, Orthographic Projection, Dimensioning, GD&T Basics, Section & Detail Views, Assembly Modeling, Parametric Design, BOM Creation, Drawing File Management

FREE
Solar Energy and Power Systems
58 Learners 2.5 hrs

Skills: Solar technology comparison, PV system component knowledge, Site and shading assessment, Basic system sizing, Grid-tied vs off-grid evaluation, Solar project economic analysis, Policy and incentive awareness, Solar O&M planning, Safety risk recognition, S

New

FREE
Drone Technology and Applications
47 Learners 2.5 hrs

Skills: Drone type classification, Component and systems knowledge, Basic aerodynamics for drones, Rule and airspace awareness, Pre/post-flight procedures, Core piloting maneuvers, Industry use-case evaluation, Payload and imaging selection

FREE
PCB Design and Layout
46 Learners 2.5 hrs

Skills: Schematic capture, Component selection, PCB stack-up planning, Component placement, Trace routing, Signal integrity basics, PDN and thermal design, DFM/DFA practice, Fabrication output generation, PCB test and review workflows

Popular

FREE
NEW
AutoCAD Design and Modeling
star   4.47 487 Learners 2.5 hrs

Skills: Precision drafting (OSNAP), 2D geometry creation, Object editing & grips, Layer & block management, Xref management, Dimensioning & annotation, Layout & plot setup, 3D solid modeling, Boolean 3D operations, Automation (dynamic blocks/AutoLISP)

FREE
HVAC Systems and Maintenance
356 Learners 2.5 hrs

Skills: Heat transfer principles, Psychrometric analysis, Refrigeration cycle diagnosis, Combustion & furnace ops, Ductwork & airflow design, HVAC electrical basics, Multimeter diagnostics, Structured troubleshooting, System installation

FREE
Automotive Mechanics
240 Learners 2.5 hrs

Skills: Shop safety, Automotive tool use, Engine system diagnosis, Basic auto electrical testing, Brake and tire service, Steering and suspension evaluation, Transmission fault recognition, OBD-II diagnostics, Preventive maintenance planning

FREE
VLSI Design & Integrated Circuits
180 Learners 2.5 hrs

Skills: MOSFET and CMOS fundamentals, CMOS logic design, Timing and STA basics, Sequential circuit design, Physical design flow understanding, Verification and DFT concepts, Low-power design strategies, ASIC vs FPGA tradeoffs, SoC integration awareness

FREE
Biomedical Engineering and Medical Technology
153 Learners 2.5 hrs

Skills: Physiology for device design, Biosignal basics, Sensor and instrumentation understanding, Imaging modality comparison, Biomaterial selection, Prosthetic and rehab concepts, Device regulatory awareness, Digital health literacy, AI in diagnostics overview

FREE
Basic Electricity and Circuit Fundamentals
148 Learners 2.5 hrs

Skills: Ohm's Law application, circuit analysis, power calculation, component identification, AC/DC differentiation, circuit diagram reading, multimeter use, hazard recognition, basic troubleshooting, electrical safety practices

FREE
CAD Drafting and 3D Modeling
77 Learners 2.5 hrs

Skills: 2D CAD Drafting, 3D Solid Modeling, Orthographic Projection, Dimensioning, GD&T Basics, Section & Detail Views, Assembly Modeling, Parametric Design, BOM Creation, Drawing File Management

FREE
Solar Energy and Power Systems
58 Learners 2.5 hrs

Skills: Solar technology comparison, PV system component knowledge, Site and shading assessment, Basic system sizing, Grid-tied vs off-grid evaluation, Solar project economic analysis, Policy and incentive awareness, Solar O&M planning, Safety risk recognition, S

Frequently Asked Questions

What will I learn in free engineering courses?

These courses cover automotive mechanics, CAD, biomedical engineering, solar energy, drones, HVAC, electrical circuits, PCB design, VLSI, and 3D modeling. You build practical knowledge of engineering systems, design methods, diagnostics, maintenance, and technical problem-solving.

Are these free courses for beginners?

Yes. These courses cover foundational concepts such as electricity, circuit analysis, CAD drafting, automotive systems, and engineering design. They give beginners a starting point before moving into more specialized technical subjects.

What do free engineering classes online cover?

You learn topics such as Ohm's Law, circuit analysis, AutoCAD drafting, 3D modeling, vehicle diagnostics, HVAC maintenance, PCB layout, and integrated circuit design. These skills help you understand technical systems and apply engineering concepts to practical tasks.

What will I gain from free these courses ?

You build skills in technical drawing, system troubleshooting, circuit analysis, diagnostics, component selection, maintenance, and engineering design. These skills help you understand how engineering systems work and support further technical learning.

Do these free engineering courses with certificates cover practical engineering skills?

Yes. The courses include practical topics such as automotive diagnostics, multimeter use, PCB testing, HVAC troubleshooting, CAD modeling, solar system sizing, and drone flight procedures. These topics help you connect engineering concepts with real technical applications.

What topics are included in free engineering training courses?

These free courses cover electrical and electronics fundamentals, VLSI, PCB design, CAD, HVAC, automotive mechanics, biomedical engineering, solar energy, and drone technology. You also learn related safety, maintenance, testing, and design concepts.

Which cover electronics and circuit design?

Basic Electricity and Circuit Fundamentals covers circuit analysis, power calculations, AC/DC concepts, multimeter use, troubleshooting, and electrical safety. PCB Design and Layout covers schematic capture, component placement, routing, signal integrity, fabrication outputs, and PCB testing. VLSI Design & Integrated Circuits covers CMOS, sequential circuits, verification, timing, and low-power design.

Are these engineering courses for adults who want to build technical knowledge?

Yes. The courses suit learners who want to strengthen technical fundamentals or explore a new engineering area. Most listed courses take about 2.5 hours, making them suitable for focused, self-paced learning alongside other responsibilities.