home security system

M

mayankguru

New Member
hi everyone,
i hav one very simple question ?
in my circuit i hav a relay and i want that whrnevr the relay gets energised it dails my telephone number. .
so what to connect with this relay and how???

as some of the home security devices are doing the same thing so i hope its feasible. . . .

any help?????
 
Don't know your location, so could only guess about your phone service, didn't mention cellphone... interfacing needs more info.

For dialing the number, a microcontroller would be a good choice. Both MicroChip (PIC) and Atmel (AVR) have appnotes on their websites for generating and decode DTMF (sound you hear when you press a phone button). This would be the simplest, one chip solution.

There are some $5.00 MP3 players in the surplus market, that are fairly simple to re-purpose, you could load it to play the digits to dial, and a message.
 
**broken link removed**
You can use SMS like this one I made, whenever one of the inputs is activated it sends text message telling which is the one. You can also enable or disable input by sending corresponding keyword.
 
HarveyH42 said:
Don't know your location, so could only guess about your phone service, didn't mention cellphone... interfacing needs more info..
Click to expand...
i am from INDIA . . .
my cell number is- +919868991178

i hav never used a microcontroller. . .can u scrap some link or the schematic of the circuit . .if possible

There are some $5.00 MP3 players in the surplus market, that are fairly simple to re-purpose, you could load it to play the digits to dial, and a message.
Click to expand...
didn't get by what u mean by this?
 
penoy_balut said:
**broken link removed**
You can use SMS like this one I made, whenever one of the inputs is activated it sends text message telling which is the one. You can also enable or disable input by sending corresponding keyword.
Click to expand...

thats exactly wat i need. can u send me the circuit details pls, pathak1985@gmail.com
or attach it here. . . .
 
mayankguru said:
hi richard actually i dont want to purchase it. . i want to make it. . .
as u said u did it in ur project ,so is it possible for u 2 attach the details of ur project(circuit lay out,components required)
Click to expand...

It's a commercial product dude, why would richard have the schematic?
 
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