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Author Topic: Designing a shield for Arduino UNO that is compatible with the XBee shield  (Read 1023 times)
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Hello,

I am currently designing a shield that contains all my circuits and an accelerometer to run with my Arduino Uno board. However, I will also need to put an XBee shield on top of the shield I am designing (so the order is: bottom: Arduino Uno, middle: my PCB, top: XBee shield).

The XBee shield I am referring to is:
http://ie.farnell.com/arduino/a000021/zigbee-mod-xbee-with-out-rf-mod/dp/1848697?Ntt=ARDUINO+-+A000021

My problem: I can't really find exact information about which pins the XBee shield actually uses. I know that it plugs to digital pins 0-7 and analog pins A0 - A5, but which pins other than RX and TX will actually be used by the shield?

Thanks,
sm
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but which pins other than RX and TX will actually be used by the shield?
None. You need to supply power and ground, RX and TX. Jumpers or switches to select which pins are better than hardwiring the shield to use pins 0 and 1.
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