Power status indicator circuit

Published:2012/10/10 21:45:00 Author:Ecco | Keyword: Power status, indicator | From:SeekIC

As shown in the figure, LED - R is used for power source directions, LED-G is used for working condition indicator of the load HL ( lamp ). When 220V AC mains is normal, LED - R emits red light. When switch S is closed, HL also emitting light, LED-G emits green light, because the LED-R also emits light at this time, bicolor LED emits orange-red light when S is closed.



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