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Adafruit Feather FONA 32u4 running FONAtest

Posted: Fri Jan 05, 2024 5:33 am
by whythehellnot
Hi there,
couple of years ago I was testing my FONA successfully with FONAtest using an old SIM card. Now I am strugging with the same sketch (using Arduino IDE) but with a new SIM card (I lost the old). The new SIM card has no pin activated and the network supplier supports 2G. A data plan is active.
When I upload the FONAtest sketch (LiPol is attached), it goes to fona.begin (line64) sending AT for a couple of seconds and waiting for "OK". My module simply goes to timeout.
Resetting the SIM card by sending "ATZ", results in a hang of the COM port, but the green LED at the board gets high and the blue LED starts blinking.

Maybe it's because I am just mechanical engineer, but at the moment I have no idea which content to lock for, so many thanks for support!

Re: Adafruit Feather FONA 32u4 running FONAtest

Posted: Wed Feb 14, 2024 4:02 am
by bidrohini1
Is your power supply sufficient for the FONA?