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SMS remote control through gm47 problam

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sribangaram

sribangaram

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Please Anybody help
I am doing sms remote control LINK - **broken link removed** Actually my problem is Modem Not available GM 47 MODEM in my place that's why I am using visiontek 82 gm GSM GPRS MODEM but controler was not working
Can i use this modem ? If any require to program change ? Please tell me as soon as possible
 

Yes yes I read it and manual also, just asking to check.

---------- Post added at 19:18 ---------- Previous post was at 19:13 ----------

According to this document we have 82gm modem pins on RS232 port:
http://www.visiontek.co.in/gsm-modems/82gm/82gm-user-manual.pdf

1 DCDO
2 RXDO
3 TXD
4 DTR
5 GND
6 DSRO
7 RTS
8 CTSO
9 RIO


GM-47 GSM module :
http://www.rlocman.ru/i/File/2010/08/11/GM47 Descrizione Tecnica.pdf

To PCB connectors according to schematic http://www.serasidis.gr/circuits/SMSremoteV3/images/schematicLarge.GIF

33 pin LED Indicator
34 pin +2,75V
39 pin RTS
40 pin CTS
41 pin TD
42 pin RD
1,3,5,7,9,11 pins +3,3V
2,4,6,8,10,12,14 pins Gnd


ATTiny:
PD0 = RxD
PD1 = TxD
PD2-PD5 = 4 RELAYS
PB0-PB7 = 8 INPUTS
 
Last edited:
Yea I have to connect like that from modem to max 232 and max 232 to uc but not respond the uc
If any required to change the program?
 

I have to connected like this
Modem power supply 12v
max 232 power supply 5v
uc power supply 5v rs2323.gif please check this connection
 

I open it on another way. Its ok.

---------- Post added at 03:39 ---------- Previous post was at 03:36 ----------

Tell me what pins with what pins did you try to link ?

---------- Post added at 03:42 ---------- Previous post was at 03:39 ----------

Modem Pin 2 go to pin 2 on uC
Modem Pin 3 go to pin 3 on uC
Modem Pin 5 go to common gnd.

---------- Post added at 03:43 ---------- Previous post was at 03:42 ----------

Did You try that ?

---------- Post added at 03:46 ---------- Previous post was at 03:43 ----------

Are You there? What happening?
 
sribangaram said:
Ok how i will connect the capacitors
Click to expand...

According to circuit for max232 but there is problem with voltage, just a sec to check module.

---------- Post added at 03:56 ---------- Previous post was at 03:54 ----------

Maybe You should try to put 5V on Max232 and on ATTiny also.

---------- Post added at 03:59 ---------- Previous post was at 03:56 ----------

 
Last edited:
Did you program uC ?

Did you set appropriate fuse bit while programming ?

Did you verify after code, when you read uC you get correct code ?

---------- Post added at 04:16 ---------- Previous post was at 04:06 ----------

Did you try to communicate with that gsm modem over hyperterminal software ?

Source code looks like ok, and will work with this new gsm modem.
 
yes I have to connect modem through hyper terminal it's working but my problem is source code changing that means compiling problem till now i didn't make the compiling just i am trying this
 

You have compiled file:

SMS_remote_control_ericsson_module.hex

Dont worry I wil compile for You. If You dont have AVR Studio if some changes is needed.

---------- Post added at 04:47 ---------- Previous post was at 04:35 ----------

How going programming of uC ?

What programmer you using?
 
Last edited:
no I have win avr but i didn't compiling that is my understanding problem Please send that compiled file
TOP 2009 UNIVERSAL PROGRAMMER
 

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