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Topic: SD card sensor data logging and retrieving back data via GSM (Read 422 times) previous topic - next topic

shreyas7760

Hi all,
am new to embedded programming , am trying to create a IOT device which as SD card backup and communication channel as GSM module and wifi,i tried with SD card for storing sensor data it worked and i tried reading back to serial monitor that also worked fine.

but now am trying to take sensor data backup to sdcard only when communication channel breaks and when communication channel is restored the backup ed data should pushed out of sd card ,am using RTC for time stamping also, please any one help me on this, what logic should i apply here ,if any have sample code please send me, it will be helpful for me.

thanks in advance.

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