On Tue, 25 Jan 2011 14:13:47 -0700, Jim Thompson
wrote:
Anyone have a favorite circuit for a remote telephone ringer?
I have access to the phone line, but no close-by source of power, so
telephone line-powered or low battery drain.
Commercial purchase also OK.
Suggestions?
...Jim Thompson
http://www.phonecoinc.com./category....ry=N et&map=1
H.