my project actually is about water tank monitoring using SMS. send SMS because in weekend,no worker at the sites. so i use GSM and microcontroller. but i cant use PC control. which means it wil send SMS automatically. can somebody help me on how to interface microcontroller with GSM and send SMS automatically without need PC?
and what kind of microcontroller is suitable?
GSM modems use serial communication. All most all of the microcontroller have it. The selection of the micro depends on the other interfaces you are going to implement.