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    Dear friends, I have a project where I need to read a string from a URL using SIM900 module and ARM microcontroller. Looking into the manuals I found out that I need to use HTTP commands. Everything...
  • Problem with interfacing 8051 and sim900
    I am interfacing 8051 and sim900 for my project purpose. I am able to send message from my sim900 when interfaced with PC in hyperterminal using AT Commands. After programming using Keil in 8051 board...
  • HOW TO ADD sim900 HEADER TO KEIL
    how can add sim900(sim900.h) header to keil. it is possible to add
  • gsm module sim900 HTTP connection
    hello, dear I have a gsm module sim 900 and I want to connect it with HTTP protocol and need to send a massage to a website and I use embedded C program. and also I have AT89S52 micro-controller so...
  • HTTP POST request error when using SIM900
    hi, im using a 8051 uC to post to a thingspeak.com/ channel using a SIM900 GSM modem. i used the following commands. AT+SAPBR=3,1,"Contype","GPRS" OK AT+SAPBR=3,1,"APN","WWW" OK AT+SAPBR=1,1 OK...