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Topic: GSM MODEM WITH STANDALONE ARDUINO (Read 1 time) previous topic - next topic

chetan0412

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.



Arrch

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.

chetan0412

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.

Zapro

How are you powering the GSM modem ?

chetan0412

by 12v adopter.

GSM modem working perfectly with arduino board.

Zapro


by 12v adApter.

GSM modem working perfectly with arduino board.


How are your programming your Stand-alone Arduino ?

chetan0412

From here ..

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

i made on pcb, please have look on arduino image(in my first post)

Zapro

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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