Install the FTDIUSBSerial.pkg or download the appropriate FTDI driver so that you can use the Xbee to USB adapter with your computer, you might already have a version installed, so… Plug the XBee to ...

Firstly, the program reads 20 values from the sensor in order to calibrate it. The data sent by the sensor (Arduino / Xbee), make up an array of 15 values for different sensed magnitudes, in order, ...