It mates directly with any dev board (should be a standard footprint), it also works well with ALL XBee modules such as Series 1 and 2, standard version as well as pro version.
There’s a switch called an SPDT, it allows the connection of the serial pins (DIN and DOUT) which therefore results in giving you the option to either connect to UART pins (D0, D1) or any digital pins on the Arduino (D2 and D3 default).
Note that power should be decreased from 5V to 3.3VDC before supplying it to XBee. The shield also takes care of level shifting on the DIN and DOUT pins of the XBee. In the latest revision the diode level shifter is replaced with a more robust MOSFET level shifter.
The board indicates power and activity on DIN, DOUT, RSSI, and DIO5 pins of the XBee since it includes LEDs to. The Arduino's reset button is brought out on the shield, and a 9x11 grid of 0.1" holes are available for prototyping.
The shield does not come with headers installed. The XBee module is also not included.
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