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Topic: problem with gsm shield (Read 894 times) previous topic - next topic


I am a beginner in arduino. i use a induino R3. i connected a gsm shield to it
sim900 gave power via dc jack.uploaded the modemtest program from sketch examplesin serial monitor it says "modem not answering""could not get IMEI"i tried setting baud rate to 19200. but still not working can anyone say what's the prob

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