IR sensor, SIM 900 and P89V51RD2

[prashant]

Hi everybody,

                       I am going to do the project using SIM 900 & P89V51RD2. In this I am going to register a mobile no.in the rom of controller but from another mobile.that means,it should look like an product,I am not giving that mobile no. inside the programme,And when I massege from this no. then it first compare with the no. which is saved in the rom of controller if it matches then it will did  further process that is on-off of system.     

[AJISH ALFRED]

Nice project, please tell us what problem are you facing with it?

[prashant]

 Sir I am getting the problem for decoding the mobile no. and sending to the rom of controller.I used AT+CMGL=”ALL” command..will you give me the code…please… 

[Author]

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