FIELD_DISTURBANCE_SENSOR_ALARM

Published:2009/7/5 23:12:00 Author:May | From:SeekIC

Circuit NotesThe changein ambient light triggers the alarm by changing resistance of LDR1 and LDR2， Q1=Radio Shack 276-2024 A1=Mallory SC628P Sonalert LDR1，LDR2=Cadmium sulfide photoce⒒，Radio Shack 276-116



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