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  Topic: controlling GSM modem
khawer102

Replies: 18
Views: 19886

PostForum: General CCS C Discussion   Posted: Wed Apr 19, 2006 6:57 pm   Subject: controlling GSM modem
Hi Prajeesh.

i am using it as a part of my Senior Year project at my university. i am final year student at Lahore Uni of mgmt Sciences in Pakistan. i am trying to develop an automated utility met ...
  Topic: controlling GSM modem
khawer102

Replies: 18
Views: 19886

PostForum: General CCS C Discussion   Posted: Tue Apr 18, 2006 4:29 pm   Subject: controlling GSM modem
Hi Prajeesh

i used ur code for reading the response from the modem.
i also tried using AT+CMGR=1 for reading the SMS stored at sim location 1 and it works just fine. except that i have not been a ...
  Topic: controlling GSM modem
khawer102

Replies: 18
Views: 19886

PostForum: General CCS C Discussion   Posted: Mon Apr 17, 2006 1:15 pm   Subject: controlling GSM modem
hey prajeesh
i woas working on the same thing. PIC18F452 and GSM modem. i can send the commands to the modem but i am having problem getting the response.

can you plz give me your code for reciev ...
  Topic: sms
khawer102

Replies: 23
Views: 29502

PostForum: General CCS C Discussion   Posted: Sun Apr 02, 2006 2:31 pm   Subject: sms
where can i find this breakout box, i dont think my university labs have one with them. but i suppose i can also use an oscilloscope for the same purpose. is it possible that i have a max232 chip in m ...
  Topic: sms
khawer102

Replies: 23
Views: 29502

PostForum: General CCS C Discussion   Posted: Sat Apr 01, 2006 11:40 am   Subject: sms
i am using DB9 to DB9 scheme of page 2.

i am using enfora's gsm modules. you guys can take a look at them at
www.enfora.com

can you guys please make it clear, when do i require loop together.
  Topic: sms
khawer102

Replies: 23
Views: 29502

PostForum: General CCS C Discussion   Posted: Thu Mar 30, 2006 9:58 am   Subject: sms
i used a null modem cable. i used the link below for DB9 to DB9 pin config

http://www.bb-elec.com/bb-elec/literature/tech/faq_rs232_connections_work.pdf

my modem is still not responding

any ...
  Topic: sms
khawer102

Replies: 23
Views: 29502

PostForum: General CCS C Discussion   Posted: Wed Mar 29, 2006 10:03 am   Subject: sms
I have the exact similar problem. my PIC communicates fine with the PC and my modem works fine too. but when i try to communicate modem with PIC it does not work.

i bought a gender changer which c ...
  Topic: GSM modem
khawer102

Replies: 1
Views: 4643

PostForum: General CCS C Discussion   Posted: Thu Mar 16, 2006 3:04 pm   Subject: GSM modem
I know this topic is already been discussed a lot on this forum. But i will be grateful if people can spare some time to go through my problem.

I am using a PIC 18F420 to control my GSM modem. I ha ...
  Topic: Problems with reading from a serial port
khawer102

Replies: 10
Views: 15153

PostForum: General CCS C Discussion   Posted: Tue Mar 14, 2006 8:13 am   Subject: Problems with reading from a serial port
I am using a PIC 18F452 microcontroller. i was interfacing the controller with a GSM modem. when i send the AT commands to the serial port i am unable to read the response from the modem.

Can some ...
 
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