hi,
in my project i have to use 2 uart in 8051 micrcontroller. i am using gsm and gps in my project.my problem is when i receiving gsm sms i have to send gps value to same number . the mobile number is not stored in software.we can receive sms form any mobile number and reply to that number.how to handle this problem? suggest me best thing
As Per said, it's not clear what particular problem(s) you're asking about!
Note that this is a very common project - you should be able to find plenty of examples with a little googling...