Chapter 12
Building an App That Interacts with a Raspberry Pi
Gheorghe Chesler
In this chapter, we will write an app that communicates with a Raspberry Pi device on the local Wi-Fi network that allows us to flip the lights on and off on a custom module with LEDs. This might not seem like a significant accomplishment, but keep in mind that just as you can flip on and off some LED lights, you can control any other connected devices in a similar fashion.
About Your Raspberry Pi
Raspberry Pi is a miniaturized ARM computer that can run different operating systems. By default, this runs a variant of Debian Linux customized for this device, called Raspbian. On the Raspberry Pi 2 you can also install Ubuntu, RiscOS, and recently even a slimmed-down, ...
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