Making the RPZ an IoT Sensor Node
An Internet of Things sensor node is a set of sensors (but could also be output devices) that you would generally put in a remote area and have report to a central command. This way, you can have multiple sets of sensors (in the garage, or attic, or chicken house), all sending in their environmental information to a central processor. In this recipe, we will work with our previous installation of OpenHAB to have a remote Raspberry Pi Zero communicate back and forth.
Getting ready
You'll want a second Raspberry Pi, in addition to the one you have running OpenHAB, with a Wi-Fi adapter. The Zero works great, but really any version will do. Install the Raspbian operating system on your sensor node. You'll also want ...
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