A project I like (because it triggered a idea for a project I can do) - where the Author as added a Arduini board to his doorbell, whihc now send a signal to his Mac Mini every time the doorbell is pressed, and in turn sends out a message through Twitter!

I want to do the same with the catflap we have - as it is a RFID enabled I can even detect which cat has entered the house (or left the house) - more about that in a later posting.

Doorbell update
Posted by Roo - 18/05/08 at 01:05:01 pm
Quick update to last week’s post about the doorbell project. I’ve now squeezed in into an Altoids tin (surely everybody’s favourite project box), complete with a little hole for the radio antenna. It’s now permanently connected to the Mac Mini in the living room, meaning roo_house on Twitter now makes an update (”There’s somebody at the door”) when the bell is pushed.

[From Roo Reynolds - Doorbell update]

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