In the last chapter, we started to have the Pi communicate with our backend servers and running a more advanced version of “Hello World”. In this chapter, we are going to build up on this existing application by adding and using a set of hardware components. After all, one of the things that makes the Pi so great is its hardware extensibility. That is one of the biggest selling points of the Raspberry Pi, being able to add on sensors, cameras, or even custom components that communicate with the board and the GPIO specifically. We will be using a few of these components, but to start with, ...
9. Sense HAT
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