====== Signals and Protocols ======

===== PS/2 =====

  * [[http://www.computer-engineering.org/ps2protocol/|The PS/2 Mouse/Keyboard Protocol]]
  * [[http://www.computer-engineering.org/ps2keyboard/|The PS/2 Keyboard Interface]]
  * [[http://www.computer-engineering.org/ps2mouse/|http://www.computer-engineering.org/ps2mouse/]]

===== I2C =====

  * [[https://rheingoldheavy.com/category/education/i2c-basics/|Rheingold Heavy I2C Basics]]