Asked : Schematic for telephone dialer ?

[Rolec]

Hello,

Does anyone has a schematic of a telephone dialer? The way it should works is that the input is a momentary contact that triggers
the device to dial a preset number. I have looked around here on the forum and also on
other ones but I can't find what I'm looking for.

THX,
Rolec

 

[meax98]

I'm using this one at my home and it is OK.

Uploaded file: dialer_circuit.zip

 

[Sebi]

Maybe You can use a cheap wall-mounted phone with last number redial function and 3V battery backup.

Zsolt

 

[BENOIT]

Telephone Dialer Circuit pages & links

See ,these pages:
**broken link removed** (dialer w/ PCD3312 IIC chip
& a 8051 or/+ a TSC73K321LIP TDK Modem)
also see modem diagrams available at:
**broken link removed**
also follow the links at
**broken link removed**
MB.

 

[Rolec]

Thanks Benoit,

Great stuff there I will have a closer look to this project.

Bye,
Rolec

 

[rajasekar]

Try

http://www.piclist.com/techref/member/rat_ring

Regards
P.Rajasekar

 

[Rolec]

Thanks rajasekar,

Very nice link :lol: :lol: :lol: :lol:
I'm going to have a look at the projects there,
obviously it's what I'm looking for.

Rolec

 

[Rolec]

Thanks rajasekar,

Very nice link :lol: :lol: :lol: :lol:
I'm going to have a look at the projects there,
obviously it's what I'm looking for.

Rolec