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Author Topic: [solved]"Arduino GSM Shield" + Mega ADK cannot send SMS with SendSMS.ino  (Read 1404 times)
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Hi Eeveryone,

I've already followed this note for the shield and board connection: http://arduino.cc/en/Guide/GSMShieldLeonardoMega
Now i'm trying to use some example code provided with the GSM library (IDE 1.0.4).

  • "ReciveSMS.ino" : it is hanging after printing "SMS Messages Receiver"
  • "SendSMS.ino" :Sometime it is hanging after printing "SMS Messages Sender", but sometimes it is showing "COMPLETE" but the message is not received; Also the LED "STATUS" and "NET" on the shield has switched to OFF
  • "TestModem.ino" is working, it is showing the IMEI, but also the LED "STATUS" and "NET" on the shield has switched to OFF after.


Before entering anything on the Serial Monitor, the LED "STATUS" is ON,  and "NET" is blinking but they turn to off just after th line "sms.print(txtMsg)"
Please HELP!

I put attached some printout from the Serial monitor with debug activated.



* con.png (361.18 KB, 648x448 - viewed 90 times.)
* smsSendOK_KO.log (0.89 KB - downloaded 31 times.)
* ReceveSMS_KO.log (0.38 KB - downloaded 15 times.)
* smsSendKO.log (1.36 KB - downloaded 22 times.)
« Last Edit: June 15, 2013, 05:36:11 am by lita » Logged

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Hi smiley

I don't know THIS shield, but all the GSM shields I've seen need external power supply, the USB power is not enough.
Give it a try smiley

HTH,
JF
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Thanks alnath  smiley-wink,
 That has solved my problem..
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