No Wires!

[William T Goodall]

My doorbell died due to the pushbutton outside being corroded (a couple 
of weeks ago the Tesco delivery driver phoned me from his mobile to say 
he was outside with my groceries - oops) so after some half-hearted 
poking and twiddling I went to B&Q to get a new one. So I got a 
wireless one. The bell-push has a couple of lithium batteries in it 
that are supposed to last for three years and there are two door chimes 
that work within a 100m range, so one is where the old bell was 
(covering the mark where I pried the old one off the wall) and the 
other is in the kitchen.[1]

They join the three DECT cordless phones and the 802.11 network in my 
can't-be-bothered-running-wires-around home.

[1] To answer the obvious question there are four DIP-switches inside 
each of the devices to set one of sixteen different codes in case any 
of the neighbours have one too.

--
William T Goodall
Mail : [EMAIL PROTECTED]
Web  : http://www.wtgab.demon.co.uk
Blog : http://radio.weblogs.com/0111221/
One of the main causes of the fall of the Roman Empire was that,
lacking zero, they had no way to indicate successful termination of
their C programs.  -- Robert Firth
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