ha
i help me ,
please send me c code that interface micrcontroller 89c52 of tx to and gsm 900d mudule of rx,
then job of microntrller is to send mgs to gsm when load1 a temp of above 50c ,and for other load 2 , just alert mgs,
its urgent , i help me as soon as possible ,
You can't get complete C code according to your project need, and as you are student i also suggest that you do your project yourself, try to write C code yourself and if there is any problem, we all definitely help you to solve your problem, but you can't aspect to get ready made C code for your project.
Search this forum for GSM SMS related project and you get plenty of GSM base example with code like.... https://www.edaboard.com/threads/277180/ https://www.edaboard.com/threads/290239/