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Hi people!
I am writing a code that between other things send sms to a number registered and if I isolate the code of send, it works. But if I put the code within of the big code that have the others functions, the code of send dont work and response "invalid input value".
The code that...
Please help me!
I need to send a sms from module at900 for a mobile cell and is returning the error ps busy (if cmee=2) or the error 515 (if cmee=1) when I print the CMGS="number" command.
I know:
'CMS ERROR 515' is received in the following cases:
1. Sending an SMS message when the SIM...
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