satya vedantham
Newbie level 2
hi people,
Here is my problem plz acknowledge if anyone knows, when i'm placing sim card in the sim900a module the it is not at all responding, but the command given to the modules are working like AT,AT+CSQ like these but the command for the sim like AT+CMGF and AT+CMGS are not at all working they are showing like ERROR so what might be the problem i'm facing since 3days
Here is my problem plz acknowledge if anyone knows, when i'm placing sim card in the sim900a module the it is not at all responding, but the command given to the modules are working like AT,AT+CSQ like these but the command for the sim like AT+CMGF and AT+CMGS are not at all working they are showing like ERROR so what might be the problem i'm facing since 3days