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Difference between Sourcing and Sinking in a Circuit

I remember in college hearing something about sourcing and sinking in a circuit and being very confused as I’d never ...

What is an Open Collector Output?

Have you ever heard reference to an “Open collector” or “Open drain” output when referring to an integrated circuit ...

What is the I2C Communication Protocol?

Inter-Integrated Circuit Protocol (I2C or IIC) is a serial, synchronous, multi-master, board-to-board, half-duplex ...

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Textbooks

Fundamentals of Electrical Engineering I

by Don Johnson | 7 Chapters
Fundamentals of Electrical Engineering I

Welcome to the Fundamentals of "Electrical Engineering One" textbook, written by Dr. Don Johnson. This textbook is ...

Welcome to the Fundamentals of "Electrical Engineering One" textbook, written by Dr. Don Johnson. This textbook is open source and freely available for ...

Electromagnetics I

by Steven W. Ellingson | 10 Chapters
Electromagnetics  I

This book is intended to serve as a primary textbook for a one-semester introductory course in undergraduate ...

This book is intended to serve as a primary textbook for a one-semester introductory course in undergraduate engineering electromagnetics.

This textbook emphasizes connections between theory ...

This textbook emphasizes connections between theory and application, making physics concepts ...

EE FAQs

Designing and building circuits and devices can be fun. That’s because you’re... Read Article
Designing and building circuits and devices can be fun. That’s because you’re solving problems while you learn, which... Read Article
Josh Bishop

Answered by Josh Bishop

When faced with the challenge of designing circuits that must make logical... Read Article
When faced with the challenge of designing circuits that must make logical decisions, digital circuits are the go-to... Read Article
Nthatisi Hlapisi

Answered by Nthatisi Hlapisi

Today, let’s learn about the IGBT - the Insulated Gate Bipolar Transistor. The... Read Article
Today, let’s learn about the IGBT - the Insulated Gate Bipolar Transistor. The IGBT is a power semiconductor device... Read Article
Uma Bharathi D

Answered by Uma Bharathi D

Solar energy systems have witnessed significant advancements in terms of... Read Article
Solar energy systems have witnessed significant advancements in terms of efficiency, reliability, and productivity for... Read Article
Ahmed Sheikh

Answered by Ahmed Sheikh

The Fun Stuff

Maker Faire Donkey Car Interview

Faires & Shows

Donkey Car - A Self Driving Mini Car | Makerfaire 2019

At the Maker Faire Bay Area 2019, we spoke with Ed Murphy, a donkey car racer and a self driving car enthusiast. He shared to us some of the ...

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About CircuitBread

About CircuitBread

Electronics, electrical engineering, and embedded systems can be daunting for beginners, students, and even seasoned experts. At CircuitBread, we aim to provide an organized and ever-growing variety of free electronics and engineering tutorials, tools, calculators, textbooks, study guides, equations, glossaries and more to make learning about the technical world a little easier. We strive to make CircuitBread the best way to learn electronics and electronics engineering. Whether it's learning the basics about microcontrollers, op-amps, resistors, and other basic electronic components or diving deeper into college level concepts, we have educational content for all skill levels. Be sure to check out our popular Circuits 1, Control Systems, Microcontroller Basics, and Electronic Products First Impressions tutorial video series. We have also assembled one of the best and most extensive online open source engineering textbook libraries that includes: Fundamentals of Electrical Engineering, Electromagnetics, Introduction to Electricity, Magnetism & Circuits, and Lessons in Electric Circuits – all available in our easy to use online eBook reader. About Us

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