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SIM300 EVB AT commands problem
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p133_3322



Joined: 17 Sep 2009
Posts: 1
Post18 Oct 2009 5:14   

SIM300 problem
Hi All:
I have a sim300 EVB, I connected it with my design board with LPC2388 microcontroller by RS232, I send AT command to the EVB and Its respond data was wrong ,for example I send "AT+CGATT\r" to Sim300 but the data I recieved was "AT% C", but I connected the EVB to PC it's no problem, I connected my board to PC it's no problem too, so What's going on ? I just connect TX ,RX ,GND from my board to EVB ,It's correct? somebody can help me ! thanks
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fiolin



Joined: 22 Jul 2009
Posts: 27
Location: Uruguay
Post19 Oct 2009 21:53   

SIM300 problem
Did you used DB9 EVB connector to send AT command to the microcontroller?
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Post new topic  Reply to topic    EDAboard.com Forum Index -> Microcontrollers -> SIM300 EVB AT commands problem
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