I am a beginner, I want to control arduino pins using GSM shield, I have used Arduino Uno and GSM SIM900 shield, but that is taking too much time to detect the sim card, and also reponding on sending SMS to that SIM card. Can anybody help me?
I am a beginner, I want to control arduino pins using GSM shield, I have used Arduino Uno and GSM SIM900 shield, but that is taking too much time to detect the sim card, and also reponding on sending SMS to that SIM card. Can anybody help me?