http://www.engineersgarage | Microcontroller › AVR › AVR › http://www.engineersgarage July 14, 2015 at 6:17 am #13071 Prabakaran P MParticipant http://www.engineersgarage.com/contribution/how-to-interface-GSM-SIM-300-modem-with-atmega32-to-send-and-receive-SMS