Category "gsm"

How to be sure that the communication between the Arduino M0 and the SIM900a is done

I wrote this few lines to make the test of communication between Arduino M0 and Sim900a but in the serial Monitor there is no result afferming that the communic

SIM800l V2 Keeps Blinking Every Second

I'm desperately looking for a solution for my SIM800l v2. The network LED just keeps blinking every second. It does not restart but it keeps blinking and not pi

Sending And Receiving SMS From GSM modem

I am trying to send message from GSM modem. I can submit AT commands the response is OK without any ERRORS. But the problem is I can't send message or read mess

Sending SMS through GSM modem to mobile phone

Using VB.NET I need to send a SMS using GSM modem to a mobile phone. Currently I have the following code: Private Sub Button1_Click(ByVal sender As System.Obj