USB键盘是如何工作的？ | How does a USB keyboard work?

[视频作者] RoCry的小号

[视频时长] 34:15

[视频类型] 野生技能协会

YouTube The USB 2.0 spec: https://eater.net/downloads/usb_20.pdf Support these videos on Patreon: https://www.patreon.com/beneater or https://eater.net/support for other ways to support. 0:00 Intro 0:50 USB electrical interface 4:43 How USB encodes bits