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1  Using Arduino / Networking, Protocols, and Devices / Re: [SOLVED]Busted/Incompatible XBEE WIFI and Arduino UNO & Leonardo Wireless Shield on: February 05, 2013, 02:41:06 am
Just for reference, the Digi Manual recommends: 500uF for the cap. 

Here is a link to the information:
http://ftp1.digi.com/support/documentation/90002124_F.pdf

"Due to the fast nature of the current peaks, it is recommended that at least a 500uF
capacitor be placed on the VCC line.  This will enable the XBee to start up with an
acceptable voltage slump in the power supply."
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