AUTOMATIC_PORCH_LIGHT_CONTROL

Published:2009/6/17 2:01:00 Author:May | From:SeekIC

The automatic porch-light control circuit holds a triac on until a 4020 divider counts a number of 60-Hz powerline pulses. The circuit turns off a light after a predetermined time by using pins other than pin 3 of UI. Various times can be set. Consult the 4020 data sheet for information.



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