HEADLIGHT_REMINDER_1

Published:2009/6/28 22:12:00 Author:May | From:SeekIC

Photocell energizes circuit at twilight to remind motorist that lights should be turned on. Indicator can be LED connected as shown or relay turning on buzzer for more positive signal. Circuit can be made au-tomatic by connecting relay contacts in parallel with light switch, provided delay circuit is added to prevent oncoming headlights from killing circuit. Mount photocell in location where it is unaffected by other lights inside or outside car.-J. Sandier, 9 Projects under $9, Modern Electronics, Sept. 1978, p 35-39.



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