Electronic Circuits and electronic circuits, electronic schematics plus an extensive resource for hobbyists, inventors and engineers

DiscoverCircuits.com, has 30,000+ electronic circuits, cross-referenced
into 500+ categories.    We have searched the web to help you find quick design ideas.
We make every effort to link to material posted by the designer. 
Please let us if you would like us to link to or post your design.
HOME Schematics Discover Forum Hobby Corner Dave's Circuits Electronic Resources Book Corner Contact Info
Imagineering Ezine    Discover Solar Energy Dave Johnson & Associates Faraday Touch Switches

Custom Search of DiscoverCircuits.com

Circuits designed by David Johnson, P.E.
Last Updated on: Wednesday, November 30, 2011 09:31 AM

Master Category List - Dave's Circuits

Text & Graphics Copyright © David A. Johnson, PE - ALL Rights Reserved.
LINKING to Dave's circuits is permitted but DO NOT COPY to your WEB SITE server!

More  Lamp Controls     Switch Circuits

12v Light/Dark Lamp Switch
At night, this circuit will route current to a 12v lamp, turning it on.

Click on Drawing Below to view PDF version of Schematic

Circuit 12V Light / Dark Switch Circuit designed by David Johnson, P.E. (June 30, 2006)

More  Lamp Controls     Switch Circuits

Find Dave's Circuits by Category
eMail David A. Johnson, P.E. about this circuit
HOME Schematics Discover Forum Hobby Corner Dave's Circuits Electronic Resources Book Corner Contact Info
 Linking is welcomed but COPYING any content or graphics to your web site is expressly prohibited.

 About Us   |  Advertise on DiscoverCircuits.com   |   Report Broken Links  |    Link to DiscoverCircuits.com  |    Privacy Policy