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GSM programing in microcontroller

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randell_xtian

randell_xtian

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mc35i

how can i program a Nokia Handset/Mobile phone to interface/interact to my microcontroller (ATmega32L)? please send me some codes and even sample program about this topic. I have a AT command for Nokia Handset but how can i used it. thanks for reading my problem.

for microcontroller: i have a STK500 module
for GSM: none
please send me also a circuit diagram of microcontroller attach to a mobile phone.

Thanks!

Regards,
randell_xtian:D:D:D:D
 

gsm programing

could u please explain more ??!!
 

programing of microcontroller

use old model phones with internal modem they are easier to interface using AT commands , try experimenting first using Hyper Terminal to familiarize yourself about AT commands and sending/receiving text messages
 

siemen m35 mikrokontroler

Which model of NOKIA hand set you are using?, check features weather it supports with AT commands, if yes you can connect to any micro or simple PC with hyper terminal and use what ever way you want.

Paddy
 

i already used the Hyperterminal to check the mobile phone whether it receive or transmit a message via SMS. but may problem is

1. How to interface may mobile phone such as Nokia 3250 model or even lower end's phone's to may microcontroller such as ATMEL ATmega32L?

2. How to program may microcontroller to transmit SMS? sample program in C would work!^^

Regards,
Randell_xtian
:D:D:D
 

Any GSM-modem or telephone is operated with the help of of AT-commands, including sms.
For example: send sms (SIEMENS MC35i)

Send: AT+CMGS="+79107489247" send symbol 13(decimal) - phone number
Receive: symbol ">"
Send sms text and after send symbol 26(decimal)
Ok/
 

Hi

I desemvolve a new project with phone siemens m35 but I try used PDU code more two weeks and I post there some parts of project...

if you dont used PDU code use samsung mobile phone for example sgh-2400 because it acepte text codes...

atension ... for correct work with terminal and phone you change TX comunication for 3.3V.. use for exemple one zener and one resistor...
 

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