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Learning BeagleBone by Hunyue Yau

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Chapter 9. Expansion Boards and Options

We have previously looked at interfacing the custom hardware to the BeagleBone using the GPIO, SPI, and I2C interfaces. While that offers the most flexibility, there are prebuilt, off-the-shelf expansion options for the BeagleBone. These can be a quicker and a simpler way of adding features provided they meet your needs. These options provide a vast library of hardware for the BeagleBone. In this chapter, we will look at the following topics:

  • Prebuilt expansion boards
  • Example cape offerings
  • Configuring Linux for capes
  • USB expansion options
  • USB versus capes for expansion
  • Custom hardware versus off-the-shelf hardware

The BeagleBone capes

Capes are expansion boards that plug in to the expansion connectors, P8 and P9, ...

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