Arduino MEGA GSM SIM900a SMS

[@madhanbk24]

It's worked

[@mehdidoroudgar5283]

Hi my sim900 is different and has two rx,tx type. Software serial and hardware serial. Which type of rx, tx i have to select in orther to make it compatible with your code?

[@reinielantonio2278]

hey what is the meaning of that thank you
SoftwareSerial mySerial(12, 13);//connect Tx pin of GSM to pin 8 of arduino && Rx pin of GSM to pin no 9 of arduino

[@engr_abdullahu5978]

Hi and thank you i use gsm900a shiled can you apply the same code and thank you please help me

[@DPVTECHNOLOGY]

No idea bro. We have not use it till now. You try and see whether works or not

[@engr_abdullahu5978]

@@DPVTECHNOLOGY thank you