Article View: sci.electronics
Article #6854photocells and timers and things
From: Robert O. Anderson
Date: Tue, 15 Sep 1992 20:01
Date: Tue, 15 Sep 1992 20:01
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Project:
to run a motor for 10-15 seconds at dawn and dusk
I Plan on using a 555 to control the motor(via other components), but
am having a time trying to figure out how to make the photocell to send a
"pulse" the timer.
Can anyone get me in the right ballpark??? Thanks a bunch.
Bobby
--
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bobby@virginia.edu (Internet)
bobby@virginia (BITNET)
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<1992Sep15.200121.26046@murdoch.acc.Virginia.EDU>Path:
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Newsgroups: sci.electronics Path: arc1-ca.pugleaf.net!sparky!uunet!caen!uvaarpa!murdoch!usenet From: roa@galen.med.Virginia.EDU (Robert O. Anderson) Subject: photocells and timers and things Message-ID: <1992Sep15.200121.26046@murdoch.acc.Virginia.EDU> Sender: usenet@murdoch.acc.Virginia.EDU Organization: University of Virginia Date: Tue, 15 Sep 1992 20:01:21 GMT Lines: 17