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Topic: Can I leave the GSM shield powered ON continously? (Read 1 time) previous topic - next topic

LMI

I ask because old GSM modems and shields stop working after day or two. They start working when power goes off and then on again. Worst part is that it is difficult=impossible to see from sketch, is the modem working or not.

darko91

Hi,

You can send AT and check if the shield reply ok or not.

if the reply is not OK send a stop and restart processus

LMI

#2
Oct 27, 2013, 09:22 am Last Edit: Oct 27, 2013, 09:23 am by LMI Reason: 1
It does not help with the current a few years old shield. Everything seems to work, but the shield does not send or receive SMSs.

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