Here’s a program that uses Rob Faludi and Dan Shiffman’s XBee library for processing to read three analog sensors from multiple remote XBee radios and graph them. It also saves the data to a comma-delimited file. It also makes sounds when the value exceeds a given threshold. For this application, you need two or more XBee series 1 radios. One is attached to the serial port of the computer, and the other is remote, broadcasting three analog values.
This also uses the ControlP5 library by Andreas Schlegel and the Ess library by Krister Olsson.
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