At the top of the board, you will find two rows of headers meant to accept an XBee module. The XBee UART is connected to digital pins 0 and 1 or analog pins A0 and A1, depend… See more

The selector switch underneath the XBee port allows you to choose which pins to use to communicate to the XBee module. The table below shows which pins on the Arduino th… See more

Under the XBee footprint, you'll also find a 4-pin female header that breaks out the Arduino's I2C lines. You can use this to attach various sensors to your project. See more

On the left side of the shield, you'll find pins A0 through A5 broken out to headers with power and ground pins for each analog pin. Be aware that if you select SW_SER on the XBee switc… See more