[geeks] Doorbells

[Dave Fischer]

jdboyd at jdboyd.net writes:

>One of projects on my list is to make a network enabled, MP3 playing
>doorbell.  Although, I was thinking to make mine wired.

I used to have a computer-connected doorbell.

It sent me a text message of "RING" if I was logged in, or email
if I wasn't. 

It was a simple switch wired to a serial port on a 3B2.

------ David Fischer ------- dave at cca.org ------- http://www.cca.org ------
----------------------- Sep 13, 1999: NEVER FORGET! -----------------------