I need an auto dialer for security alarm system.

[rajaifti]

Hi Dear All,

I am working on home security alarm system and I am looking for schematic diagram to build up an auto dialer.

Thanks.

Raja

 

[Roboticinfo]

reply

Try this website it will most likely have what you want.


https://www.commlinx.com.au/schematics.htm

 

[pike]

https://www.siliconchip.com.au/cms/A_30320/article.html

Heres one example but you only get a snippet of it .
Maybe someone has a backdoor to the article??

 

[pj_sugun]

auto dialer circuit

Hi Dear All,

I am working on home security alarm system and I am looking for schematic diagram to build up an auto dialer.

Thanks.

Raja[/jayaramQUOTE]

 

[pj_sugun]

Auto dialer circuit

I need a auto dialer or DTMF circuit diagram for an project.the project name home and office security system based on 8051 microcontroler.