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Author Topic: GSM MODEM WITH STANDALONE ARDUINO  (Read 1100 times)
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Hi,

I am working on project in which i am trying to send message with the help of SIM900 gsm modem.

i followed procedure as per mentioned link and working fine.

see http://bit.ly/18GgSPU

when i trying with standalone arduino its not working any how.

let me guide, am i missing something?

my standalone arduino tested with blink led and working fine. see attached image of my standalone arduino.

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Anyone ?

no reply?
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California
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Where is the pull-up resistor on the reset pin?

Quote
its not working

Sorry, that is not a valid way of describing an issue. Try again.
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Oh,,

i have connected resistor at back side,

not working means,

i am not getting any message/output by stand alone atduino.

other examples are working perfectly.
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Denmark
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How are you powering the GSM modem ?
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by 12v adopter.

GSM modem working perfectly with arduino board.
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Denmark
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by 12v adApter.

GSM modem working perfectly with arduino board.

How are your programming your Stand-alone Arduino ?
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From here ..

http://arduino.cc/en/Main/Standalone

i made on pcb, please have look on arduino image(in my first post)
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Denmark
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If You can program the Arduino just fine, i cannot figure out why the serial connection for the Modem isn't working, sorry ...
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ok..
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grounds connected?
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Yes Dear,

Ground connected
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