

Doorbell sends message to Cell Phone (2012) - clementst
http://hackedgadgets.com/2012/05/08/doorbell-sends-message-to-cell-phone/

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sugerman
Actual Make article: [http://makezine.com/projects/notifying-doorbell-with-
pushing...](http://makezine.com/projects/notifying-doorbell-with-pushingbox/)

