I'm using Adafruit Fona library in my projet to receive SMS messages with an A7670 module.
I'm wondering why I get a wrong number of message with this library.
When I send an SMS to my module I get a :
16:04:44.300 > ---> AT+CMGF=1
16:04:44.477 > <--- OK
16:04:44.517 > ---> AT+CPMS?
16:04:44.529 > <--- +CPMS: "SM",2,100,"SM",2,100,"SM",2,100
So Fona says there are two message after sending only one SMS
Anyone experiencing this problem ?
What do You send and how do You send it?
I send my own sms commands like "STATUS" from my smartphone to the A7670 module.
Module read my SMS the execute my custom commands on my arduino board
Okey. Then it's hard to check what characters, control bytes etc are sent.
Maybe some other helper has good ideas...
I don't know it is a problem of character, it looks like related to the GSM module returning a bad value
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