Unplug your GSM. Wait 1 minute, plug it back in type dmesg | tail that should indicate which device file the modem has connected to this is what i got back executing what you suggest https://imgur.com/ZLjQISn what should i watch here? it seems like there's only information about internet ports

look guys in these 2 images i am running the process and i'll show you the active ports in the system for the communication that i need to stablish https://imgur.com/T1frBtq https://imgur.com/iTylQz2 i am currently using a SIM808 gsm module i have few questions that i hope you can answer me guys so:...

DougieLawson wrote: ↑

Wed Dec 19, 2018 12:45 am

Have you disabled the serial console in sudo raspi-config or in the preferences GUI?

i am actually triying that my friend and see how that goes, i'll tell you when i finish testing it ty

i tried it already and the first time i followed the tutorial to set up the fona it worked as expected, Seeing as you say you had it working the first time you followed the tutorial what are you doing differently this time ? what hardware or software have you changed between the first time and now ...

Then I suggest you look at your project and compare it to the tutorial you were following and see what you are doing differently, it might also be worth checking all connections between the pi and your GSM module. already did that like 100 times, is really desperate that things doesn't work as expe...

i'm trying to test some fona commands From this statement I assume you are attempting to communicate with a GSM module, if this is in fact what you are doing then sending AT with no other commands will not get any response AT just means "attention" your GSM module will then be expecting a command t...

neilgl wrote: ↑

Mon Dec 17, 2018 9:48 am

Yes please explain more. What command do you type in?

i opened a screen instance and typed AT, when i press enter key the promp positioned at the beggining of the current line and does nothing, i mean it doesn't send the command i'm typing, i don't know why it's happening that.

hi guys i'm starting with this raspbian thing and trying to learn about it but i encountered this issue when inside an instance of the screen program, i'm trying to test some fona commands but typing the command and when i want to test the command by pressing enter key, it just return the propmt to ...