Microcontroller › AVR › ATmega GSM › Make sure your GSM module is
February 16, 2019 at 7:18 am
#15022
Participant
Make sure your GSM module is powered properly. just press reset button in MCU after the GSM module got network and nework led start blinking becouse GSM start work after getting network but MCU giving AT command at first before GSM got network may be that's a reason