SMS based notice board

• Feb 17, 2011

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Wakuplil

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This is my project title. So far I have built display matrix using LEDs that can display 8 characters in scrolling format. I am using NOKIA 3315 as a GSM Modem that is to be connected to 89v51rd2 microcontroller.
Can I directly solder Nokia's 4 pins so as to connect to ucontroller?
Can I only use F bus protocol to program micro in order to receive message from Nokia 3315? Plz reply and giv some additional suggestion for the success of my project. Waiting...

 

• Feb 17, 2011

• #2

ckshivaram

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your life will be very simple if you go for a modem as it is very easy to interface to micro controller...

simple AT commands are enough to do that.. if you have a second thought of it then visit theses sites where you get the modems..

N S K E L E C T R O N I C S
Sunrom Technologies, Your Source for Development

 

• Feb 17, 2011

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Wakuplil

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But will there be any problem if I use Nokia 3315? F Bus protocol looks simpler than at command, but don't know to use it in source code. Can u provide any sample of source code related to the project? Plzz...

 

• Feb 17, 2011

• #4

ckshivaram

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code for AT commands would be easier than connecting Fbus.. i did using gsm modem.. do you need it or you are specifically looking for F bus...

you could wait for other experts comment on F bus as i did not implement it....

 

• Feb 18, 2011

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Wakuplil

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Can u provide in detail what u have included in building this? Can u share your codes also? Thanks

 

• Feb 18, 2011

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Ok, I m ready to use GSM Modem. But plz tel me of which specs? Wil any GSM Modem can be connected to 89v51rd2 microcontroller and support AT Comand?
What is called hyper terminal?

 

• Feb 18, 2011

• #7

ckshivaram

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yes any modem can be interfaced to microcontroller. in the second post i have given you links of vendor who sell gsm modems in bangalore... you can visit the site...

hyperterminal is a software simulator provided by IBM pc and in all OS which allow us to test serial communication device by connecting it to serial port of PC..
You will get lot of information posted in old threads on how to test gsm modem on terminal.

i will send you the code by late evening, pm me your email ID . or i will try to put it in the forum only...

 

• Feb 18, 2011

• #8

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Wakuplil

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Which Hyperterminal version should i download as of now?

 

• Feb 18, 2011

• #9

ckshivaram

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except windows 7 all other windows have induilt package of hyperterminal.. you can find it in start-> programs->accessories-> communication-> hyperterminal

 

• Feb 18, 2011

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I av Samsung S350 right now. Can i connect to the hyperterminal?

 

• Feb 18, 2011

• #11

ckshivaram

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see if you can connect it to PC using serial port of PC (9 pin connector on back of PC)

 

• Feb 18, 2011

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The USB data cable has a pen drive kind tip. So do i av to get the cable dat connect mobile to COM1 port from Samsung dealer? I need to ask such elementary question to you bcoz there is no expert around. So plz help...

 

• Feb 18, 2011

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e shade

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View attachment vinayak.doc

Hi friend,
I too didn't fully implemented F-bus interfacing, but i think this document will help to an extent.

 

• Feb 18, 2011

• #14

ckshivaram

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its your luck to use it.. its 50 - 50 chances. it could work or may not work . it depends on many factors like OS used. Connecting cable configuration etc....

i have seen for some it works and some dont... i still ask you to get gsm modem without delay and start the project and dont be in 2 minds...

 

• Feb 18, 2011

• #15

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e shade

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That is very correct, you can get lot of help for the generic modem than using Nokia modem.

 

• Feb 18, 2011

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Wakuplil

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ckshivaram said:

its your luck to use it.. its 50 - 50 chances. it could work or may not work . it depends on many factors like OS used. Connecting cable configuration etc....

i have seen for some it works and some dont... i still ask you to get gsm modem without delay and start the project and dont be in 2 minds...

Click to expand...

Ya I will get new modem. Can you post your project detail?

 

• Feb 19, 2011

• #17

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Wakuplil

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I have placed an order for Siemen GSM Modem along with the development board. On mon i'll be getting. So now sir "ckshivram"! can you post your project details, i had asked yesterday.

 

• Feb 19, 2011

• #18

ckshivaram

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did you check siemens modem support serial interface?
will post the code for you... and please in future send pm to the concerned person for specific help rather than putting it as a post which will be read by everyone..........

 

• Feb 19, 2011

• #19

ckshivaram

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check the code and use keil for this... the code may be more than 4k so you may need full version to see the compilation..

you can trim the code to meet your requirement

 

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• Feb 19, 2011

• #20

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Wakuplil

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He is providing RS232 cable also. That means it will be supporting serial communication, right?