Bus-tracking-using-gps-neo-6m-and-gsm-SIM900a-with-arduino

[sethu1823]

Hello @mhhabib, thank you for uploading your project. You did a great job there. It's really helped with my project. I would like to know, how is the GSM module respond to our message. I mean, what should i send to make the gsm send the coordinates by the sms.