Question: how to configure xbee with arduino?
Answer: Set Up Your Circuits Connect the ground and 3.3V from the Arduino to the ground and power rails of your breadboard. Connect the power and ground rails of the breadboard to the 3.3V and GND pins on your Explorer module. Next, connect the XBee Explorer pin OUT to Arduino pin 2 (RX), and XBee pin IN to Arduino pin 3 (TX).