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Questions - sim800l

Code to check if SIM800L successfully sends a text message

I wanted to know if there is any code to check if a sim800L successfully sends a text message. I will need this code so that every time my sim800L sends a text message successfully it would light up a...
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How

arduino

esp32

nodemcu

sim800l

Votes: 0

Answers: 1

Latest Answer

See AT command manual (found it online, I don't have the device myself) at chapter 4.2.5 AT+CMGS - it looks like it should response, incl. whenever it succeeded.
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AgainPsychoX

when i try send sms in sim800l with at+cmgs i have got error

hi it is my code to send "hello world" to my phone number with ardiuno and sim800l but i get Error and when i use "gsm.println("at+cmee=1");" i will get cms error 305 wh...
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hesam sadig bayan

c

arduino

sim800l

Votes: 0

Answers: 1

Latest Answer

Change gsm.print("at+cmgs=\"+98914xxxxxxx\""); to gsm.println("at+cmgs=\"+98914xxxxxxx\""); The AT command need to be terminated by a \r\n before you inputing...
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hcheung

How to send an SMS in a language other than English with module SIM800L?

How to send a text message in Polish, e.g. with the following text "Cześć", where the characters are from outside the GSM alphabet? I have a TTGO T-Call board that has a SIM800L module from ...
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Dawid Irzyk

c++

at-command

arduino-ide

sim800

sim800l

Votes: 0

Answers: 2

Latest Answer

According to the GSM specification 3GP TS 127.007, the magic command to declare that you want to send UCS2 characters (16 bits unicode) is: AT+CSCS="UCS2" From that point you must send the ...
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Serge Ballesta

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