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how to send SMS using PIC?

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akem90

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hi,i'm hakim..a'm currently creating a security system that can send SMS if breaks in happen..i want to know how to send message PIC? and what kind of PIC that I can use?

thanks!
 

you can use any PIC with UART.
You need and GSM modem..
and you have to send sms using
AT commands....

after buying gsm modem open Hyper terminal from accessories-->communications
configure it on ur com port with 9600bps type

Code: 
AT
you should OK as response that means connections and modem are ok

Code: 
AT+CMGF=1
to send sms in text mode

Code: 
AT+CMGS="Desitnation Mobile No" <Enter>
> Your SMS text message here <Ctrl-Z>

this is simple test
same thing u have do with UART of PIC
 

thanks for the info..but what kind of connection that i can use to connect between the pic and modem?
 

akem90 said:
thanks for the info..but what kind of connection that i can use to connect between the pic and modem?
Click to expand...

It was clearly mentioned by nikhilele
same thing u have do with UART of PIC
Click to expand...

Nandhu
 

what is UART?
sorry,i'm kinda new with this thing..
 

Hi Hakeem

have a look on the attached block diagram and try to implement it,
you will get a cell phone with a serial port RS-232 interface and you will program it using AT commands to receive SMS and send to another system attached to the cell phone through the RS-232 port, the other system is a microcontroller, choose a microcontroller with a UART built-in (UART is the other name for RS-232), you will program the microcontroller to receive the data from its serial port RS-232 and act upon it.
I recommend you to use PIC microcontrollers from Microchip corp., easy to use and program using C, specifically I recommend you to use microcontroller chip PIC18F4550.

Good luck
 

hi elrayes,thanks.
but i can't load the control circuit over gsm diagram.
 

can we use pic micro and connect it directly to gprs modem and send the sms
 

Can i get a block diagram of this particular project?? Guidance would be highly appreciated.
 

if i want to receive sms and want to save to my controller then???
i m using pic18f4550
 

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