Using Arduino with SIM900/SIM800 for receiving SMS commands
The logic is quite simple, We just look for consecutive occurrence of commads like @C1, @C2 or CMD. Whenever the if condition is satisfied the code can take an action like turning ON or OFF a device which might be useful in building automation application for example. This code is applicable for SIM800,SIM808,SIM908,SIM800C,SIM800H,SIM900A etc all modules […]