59 Electrical Engineering

Also see Electricity in this directory.
Last update: May 12/20


Electromechanical Technology Series (Public domain)

TERC, of Cambridge, Massachusetts, developed a two-year (four-semester) instructional program designed to prepare technicians for the emerging electromechanical occupations in industry. The project was was completed in August 1973, and was supported by grant funds provided by the U. S. Department of Health, Education, and Welfare. This collection includes all 16 student manuals, which are all now in the public domain and free for reuse and redistribution. Each book’s materials are presented in an action-oriented format combining many of the features normally found in a textbook with those usually associated with a laboratory manual.


Concepts of Direct Current (CC BY-NC-SA)

This course provides a study of basic concepts and application of direct current (DC). Specific topics include but are not limited to: an introduction to electrical theory, units of electrical measurement, DC electrical components, and constructing various types of DC circuits. Students gain hands-on experience through various laboratory problems. Emphasis is placed on the use of scientific calculators and the operation of common test equipment used to analyze and troubleshoot DC circuits and to prove the theories taught during classroom instruction.

Electric Motor Controls (CC BY)

This course is an introduction to motor controls, including a study of the various control devices and wiring used in industrial processes. It addresses the following topics: Motor Controls, Control Devices, Wiring, Industrial Processes, Electric Motors, Relay Logic, Control Devices, Electricity, Electrical Circuit, Alternating Current, and Direct Current.

Electric Vehicle Technology Program (CC BY-NC-SA)

Learn about electric vehicle development and maintenance. Electric Vehicle students are prepared for product development positions in the automotive, communications, solar, wind turbine, and smart grid industries and service positions in the automotive industry.

Electronics-Avionics (CC BY)

This program prepares students for a career in electronics with a focus on aerospace avionics. Learn to design, build, repair, calibrate, and modify electrical components, circuitry, controls, and machinery such as industrial controls, transmitters, and antennas for aircraft.

Introduction to Electricity/Electronics (CC BY)

This course provides an introduction to fundamental concepts of the nature, production, and usage of electricity. A study of circuits with an emphasis on problem solving and component identification is also discussed. Please note that all course materials and content are provided in the IMS Common Cartridge (IMSCC) format.

Introduction to Electronic Principles (CC BY)

This introductory course is a survey of selected electrical and electronic concepts and lays the groundwork for future study in electronics. No previous electronics background is necessary, but adequate reading and writing skills are necessary and some knowledge of algebra is helpful. Topics to be covered include electrical units and quantities, electronic laws and circuit analysis, components and their function and the use of selected test equipment.


Engineering Technology: Electrical Motor Control Simulations (CC BY)

A collection of 3-D simulations demonstrating electrical motor control.

Supplemental Materials

Modular Electronics Learning (ModEL) project (CC BY)

A collection of tutorials on topics in electricity and electronics.

Practice Problem Worksheets (CC BY)

A collection of worksheets and exams on mathematics, basic science, electricity and electronics, and instrumentation and process control.

Worksheets (CC BY)

A large collection of worksheets on the following topics: Basic Electricity, DC Electric Circuits, AC Electric Circuits, Network Analysis Techniques, Discrete Semiconductor Devices and Circuits, Analog Integrated Circuits, Digital Circuits, and Mathematics for Electronics.


All About Circuits (Design Science License)

This free electrical engineering textbook provides a series of volumes covering electricity and electronics. The information provided is great for students, makers, and professionals who are looking to refresh or expand their knowledge in this field.

This is a British Columbia created resource.Continuous-Time Signals and Systems (CC BY-NC-ND)

This textbook covers continuous-time signals and systems at an introductory level appropriate for undergraduate students. This textbook has been used by the author at the University of Victoria to teach a number of undergraduate courses on continuous-time signals and systems. This text includes accompanying lecture slides.

Digital Circuit Projects: An Overview of Digital Circuits Through Implementing Integrated Circuits (CC BY)

Digital circuits, often called Integrated Circuits or ICs, are the central building blocks of a Central Processing Unit (CPU). To understand how a computer works, it is essential to understand the digital circuits which make up the CPU. This text introduces the most important of these digital circuits; adders, decoders, multiplexers, D flip-flops, and simple state machines.

Electrical Engineering (CC BY-NC-SA)

On online electrical engineering textbook make available by LibreTexts.

Exploring Microcontrollers (CC BY-NC-SA)

A website looking at microcontrollers.

Public domain books relating to Instrumentation (Public domain)

Although these textbooks are quite old, and some of the techniques described therein obsolete, these texts hold much practical value to the modern technician and engineer of instrumentation.

Signals and Systems: A Fresh Look (Not openly licensed, but free to use and share)

The following are widely recognized:

  • There is a gap between what is taught at universities and what is used in industry.
  • It is more important to teach how to learn than what to learn.

These were the guiding principles in developing this book. It gives an overview of the subject area of signals and systems, discussing the role of signals in designing systems and various mathematical descriptions for the small class of systems studied. It then focuses on topics which are most relevant and useful in practice. It also gives reasons for not stressing many conventional topics. Its presentation strives to cultivate readers’ ability to think critically and to develop ideas logically.


Electronics (CC BY-NC)

A collection of interactive learning objects that focus on concepts that cover a broad-based electromechanical program. Resouces are divided into the following categories: AC Electronics, Automation, DC Electronics, Digital, Generators / Distribution, Hydraulics, Ladder / PLCs, Mechanical Drives, Mechanical Linkages, Electric Motors, Pneumatics, Process Control, Safety, Sensors, Solid State, Information and Communications Technologies, and Variable Speed Drives.

Types of Electric Motors (CC YouTube Licence)

A video describing the characteristics and advantages/disadvantages of several different types of motors. Although this video does not exhaustively cover all types of motor, it covers many of the most commonly encountered motors in industry and in home use.

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