Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.
I had same problem. The problem is a combinated one.
First, SIM900D doez not accept a command until it executes the previous one.
Also, it does not execute a command if it is nont finished and you will
send another command to the device. Shortly, you MUST wait
the respone from modem after each...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.
