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Chris Huff wrote in message ...
>...but I don't
>recognize the 8-pin DIP IC. That and the other components don't look
>like they belong on a power-supply board. There is something labelled
>"door"...maybe a trigger for a garage door opener, or an alarm for when
>a door gets opened, or a doorbell. The last two make the most sense...
It appears to be a doorbell. According to the Chip Directory, the 2811 IC
is:
2811 HT-2811 sound Door Bell, Ding Dong Holtek*
(The Chip Directory is at
http://www.xs4all.nl/~ganswijk/chipdir/index.html).
--
Mark
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