Part of what makes XBee so popular is its simplicity. XBees are controlled over a serial UART
interface -- in the most basic operation they can be used as a wireless serial cable. Setting up
XBee networks and addresses is also simplified with Digi's free software -- XCTU -- which we
explain in a separate tutorial.
Covered In This Tutorial
The goal of this tutorial is to set up wireless XBee communication between a computer and an
Arduino/XBee Shield combo. Then, using a terminal program, we can remotely send data to an
Arduino, or read data off of it.
We'll begin by examining the schematics and hardware of the XBee Shield, then move on to
example code. First we'll set up a test program to make sure our XBees are communicating with
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