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YouTube

How Does a USB Keyboard Work?

Ben Eater via YouTube

Overview

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Explore the inner workings of USB keyboards in this comprehensive 34-minute video. Delve into the USB 2.0 specification, starting with an overview of the USB electrical interface. Learn how USB encodes bits and packets, and examine the contents of USB packets in detail. Compare and contrast USB with PS/2 technology to understand the evolution of keyboard connectivity. Gain insights into the technical aspects of USB communication and data transmission, enhancing your knowledge of computer peripherals and interface protocols.

Syllabus

Intro
USB electrical interface
How USB encodes bits and packets
USB packet contents
USB vs. PS/2

Taught by

Ben Eater

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