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Electronics is a dominant factor in today's high technology world, from wearable electronics and mobile devices to the world wide web and the Internet of everything.

Electronics is used in self-driving vehicles, medical equipment, military equipment, biological identity and facial recognition, law enforcement, solar and wind power, and much more.

The U.S. Bureau of Labor Statistics predicts that the electronics industry will grow 7 percent from 2020 to 2030, with 22,700 new jobs reach year. The median annual wage for electronic technicians is $65,000, for electronics engineers is $107,540.

In this book you learn the basics of DC and AC, series and parallel circuits, and electrostatic and magnetic fields. Learn about semiconductor devices from diodes and bipolar transistors though field effect transistors and operational amplifiers to integrated circuits and digital electronics.

You'll learn how to use a free online schematic drawing and circuit simulator application. This book includes well over 100 pictures, diagrams, and schematics.

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Digital design is based on the binary principle, where everything is either 0 or 1, either low or high. Few people realize that digital logic existed before the advent of the computer. Digital logic was used for control and communications systems even before semiconductors where invented. They worked using switches, relays and solenoids.

If you search the internet you will not find the phrase digital logic separate from computers. It's like the only purpose for digital logic was to invent the computer. I'm sorry, but as an electronics engineer before computers, I designed all kinds of control systems for transportation, farming, manufacturing, and many other industries, using digital logic. In fact it was a heck of a lot more fun than programming today's microprocessors.

Now days, much of the work of a system is accomplished in programs, but the programs must have a digital device to execute on. Today, almost all systems work using a microcontroller or microprocessor running software. But that's not always the most efficient way to do it. In a system there is always a trade-off between accomplishing a task with software or hardware (digital logic), each has its advantages.

With digital design you are involved with problem solving. You have a set of inputs and you must design the logic that will turn that into the desired output or outputs. To accomplish that task you can use Boolean algebra or Karnaugh mapping. This book will give you the basic principles you need to design digital logic circuits. I also show you an easy free open-source Logic Gate Simulator in case Boolean algebra and Karnaugh mapping are not for you.