Discussion in "Project Help" started by    gautya123    Oct 24, 2007.
Wed Feb 25 2009, 06:12 AM
#31
Unfortunately, my phone Sony Ericsson 580i do not have serial port. And my laptop do have blue-tooth. Therefore, I request you to suggest me a phone what will work for my project. I want interface it with AT89C52.
Fri Feb 27 2009, 04:34 AM
#32
Hi,
I take my words back from the previous message. I am gonna try try W580i. But I am curious how W580i will interface with AT89C52. I mean what type of connection will it be.

Thanks.
Sat Feb 28 2009, 01:36 PM
#33
with 8051 only uart is possible. so try if you can get a phone with UART/RS232 interface. or its better if you can get a GSM modem simple and easy to control and interface.
Sat Feb 28 2009, 08:30 PM
#34
Thanks, this is what I was thinking to use GSM modem.
using W580i, i was able to send command from Tera Term.
*one other option that i guess might be possible is to connect AT89C52 to my laptop with RS323 and laptop to cell phone with usb cable. But for this i need a software that can help rs232 to talk to usb. am i right. I got this software for microsoft XP and need to make some changes to run on mircosoft vista.

But anyways, I will try GSM modem.

Also I would like to thank you for the video tutorials for KEIL. that helps alot, even i was familiar with keil.
Sun Mar 01 2009, 08:59 AM
#35
Hi Ajay,

I tried to look for GSM Modem, and it is very expensive. Can you please tell me the Siemens model numbers that could be used instead. I know M65 is very useful but expensive too. If you can suggest me few model numbers, that can make my job easier.
Here whole bunch of Seimens phones are available for purchase, but picking a right one is a wise decision. So I request you to suggest me.

Thanks,
Mon Mar 02 2009, 12:08 PM
#36
I tell everyone to use T610 mobile phone. make sure i cannot be sure if it can be used for GPRS.

go for cheaper phones if available, mostly sony erricons, seimens are cheaper.

try these..
seimens:
C55, C56, C60, C65

Nokia 2100, 3610, 5210, 8210, 8250, 8290, 8850, 8855, 8890

Sony Ericsson R520, R310, R320, T28, T39, T68, T68i, R600, T610, T310
Tags AT Command compatible GSM phonesmobile phone with at commandsgsm mobile support at commands
Sat Mar 07 2009, 10:59 PM
#37
Hi Ajay,
Can you please explain how T610 will be interfaced with AT89C52. Also is there any sample code or dummy program to begin with for Home Security System. So far I am sending AT Commands to W580i from TeraTerm. Some commands responds and some do not.

Thanks.
Sun Mar 08 2009, 07:41 PM
#38
T610 can be interfaced using simple serial connection to AT89C52's uart.
you can see pinouts for serial connection of mobile phone here.
http://pinouts.ru/CellularPhones-P-W/erics_t28_pinout.shtml
Tue Mar 17 2009, 06:14 AM
#39
Hi Ajay,

I was busy with my exams that is why i was away. Now one last question about cell phone. My friend gave me T616. will it work and can you help me with this one.
Thu Mar 19 2009, 05:20 PM
#40
well you need to try it. connect it to your PC COM port and send AT see if you can get OK from phone.

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