Connecting Arduino Standalone Chip and XBee

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hey guys,

i took out arduino chip board , followed instructions put on breadboard here: http://itp.nyu.edu/physcomp/uploads/arduinobb_09.jpg
everything works fine when plug in xbee, code doesnt work way should.

the code using simple 2 statements in setup() function starting serial port (serial.begin(9600);) , printing line (serial.println("hello world");). problem repeatedly sends message on xbee , can see receiver xbee rapidly sends "hello world" on , over. also, if  check voltage supplied voltage regulator, 3.7 volts rather 5 volts.

why happening?

thanks

there's no xbee in picture, have no idea how answer question.  have schematic showing how you've connected including xbee?  how handling xbee's 3.3v supply?


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