i can understand the interfacings of 8051 to other things but, when it comes to interfacing with mobile phone as GSM - i dont know even the abc... of it.
can you please guide me the steps to be followed as for the beginner so that i can be successful even in this activity too.
To the external world the mobile acts as a modem. and u have to consider that thik like a modem too. so understanding the AT commands is the first thing to do. if ur trying with nokia sets , have a look at F-Bus and M-Bus protocols.
Hello sir/mam....i wud like to kno how to interface a basic mobile phone with 8051 microcontroller.please suggest the model of the phone tht wud be easy to implement and also let me kno where to find the AT commands ,codes and the software required. please tell me the exact procedure as soon as possible.
thanks!
Use Motorola C168 which works on AT Commands. Pin out of C168 is given below **broken link removed** Examples for send and receive SMS
For sending SMS in text Mode:
AT+CMGF=1 press enter
AT+CMGS=”mobile number” press enter
Once The AT commands is given’ >’ prompt will be displayed on the screen.
Type the message to sent via SMS. After this, press ctrl+Z to send the SMS.
If the SMS sending is successful, “ok” will be displayed along with the message number.
For reading SMS in the text mode:
AT+CMGF=1 Press enter
AT+CMGR= no.
Number (no.) is the message index number stored in the sim card. For new SMS, URC
will be received on the screen as +CMTI: SM ‘no’. Use this number in the AT+CMGR
number to read the message.
Voice call
Initiating outgoing call:
ATD+ mobile number; press enter
For disconnecting the active call:
ATH press enter
Hello sir/mam....i wud like to kno how to interface a basic mobile phone with 8051 microcontroller.please suggest the model of the phone tht wud be easy to implement and also let me kno where to find the AT commands ,codes and the software required. please tell me the exact procedure as soon as possible.
thanks!