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Fisher
- 3rd May 2008, 04:43
hey,
looking for a good doorbell schematic
any help would be great
thanks

Melanie
- 3rd May 2008, 07:41
Good, reliable and cheap with parts readily available from most DIY and Hardware Stores.

wildpikachu
- 3rd May 2008, 07:58
here's a few, does it have to be PIC based?

http://www.discovercircuits.com/D/dingdong.htm
http://www.electronics-project-design.com/DoorBellChime.html
http://www.elektor.com/magazines/2003/september/polyphonic-doorbell.55342.lynkx?tab=1 (<= think you might have to register)

This might be of use if you are wanting something pretty advanced.
http://www.datasheetcatalog.org/datasheets/2300/261251_DS.pdf