regarding hardware issue

[ankit]

sir,

i have designed 2 development board having power supply section,xbee serise 2 lcd and 8051. i want to send some data from one board to second board using xbee,but i am unable to send.i have checked the code and it is working fine,then i checked all components i.e. 8051uc,xbee lcd,power supply individually and all are working fine.

 

then i connected the controller of first board to xbee of second board  and then i am able to send the data,but when i am trying to connect the xbee of first board to controller of first board with the same commection  the same board i am unable to send data.

 

i am giving my test results below—-

 

case 1.  uc of  first board to xbee of first board(not working).

case 2.  uc of second board and xbee of first board(working).

case 3  .uc of first board to xbee of second board (working).

case 4.  uc of  second board to xbee of second board(not working).

 

i am unable to get the problem. please help me to solve the problem.

 

 

thank you

[ankit]

hi everyone,

 

i have solved the problem.it was related to ground problem.

 

thanx

[Author]

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